improve all areas of your civics performance. The other issue i see is a lot of people do not run a vacuum line from the regulator to the intake manifold for vacuum reference. 1 compact tr We find this to be a top choice. Turbocharging the k series will give you maximum power potential, with the down side of reducing reliability. Also with doing high RPM fast shifting, the shift selectors can get bent and synchros’ wear out quickly. Billet Dip Stick (New) Your Price: USD $84.99 In Stock. So, Which intakes are 3.5inch? This 4-2-1 polished stainless steel header is built to last and built to produce power from low-high rpms. Naturally aspirated performance this motor can be improved upon in a large range of standard areas, Intake, Header, Exhaust, RRC (JDM Type-R) Manifold or getting the oem one ported and smoothed. Your going to net around 14hp with flashpro. This section is for aftermarket automotive performance parts for the 8th generation model, both 2 door and 4 door. Skunk2 is proud to announce its all-new Alpha Header for the ’06-’11 Civic Si. It is certainly an upgrade to keep in mind when picking your next wheel for this vehicle. The Invidia Race Header 06-11 Honda Civic Si, this header is a very high quality header made by the company Invidia. step by step install guides. Overview In this guide, you will find some of the best ways to properly modify your 8th Gen 2006-2011 Honda Civic Si. step by step install guides. Keep in mind it is recommended to get a rear motor mount, possibly upper torque mount and you may need to buy the extra 02 extension as this header moves the bung down a tad further. Heat management is a concern on RSX / Civic Si chassis as the heat of the turbo manifold, turbo and down pipe are very close to the fire wall and numerous other items in the engine bay. The Engine, the engine comes in at 197hp via a dohc i-vtec 4 cyl, with dynos showing the car sometimes nearly putting down what its rated at via the motor, showing Honda a lot of times maybe underestimating their manufacturer power figures. Shop with confidence. The s2000 oil pump flows more oil compared to the K20a2 oil pump. We have found the OEM cam profiles to be the best in these applications. Another area of concern on a k-series engine, specifically for the 8th and 9th gen civic Si, is the oil pump with balancer shafts. C $408.26. But the good thing, we all have different tastes and there are several options to fill the needs of each buyer. We suggest that you don’t dilly-dally because the 7th-generation Honda Civic Si may not be one of the best-kept performance secrets for much longer. This is super critical on a forced induction application. The variable cam solenoid controls your variable timing gear movement. Or does anyone know if I can fit 8th gen headers like the skunk2 ones on a 9th gen? Mandrel bent primary & secondary runners. Honestly ive owned both as well, only difference stock over stock is the suspension, the 8th gen feels a lot tighter over the 9th from the factory, 8th gen seats are more comfy as well, but 9th gen has much more low end torque, and that is a plus. KBH-CSI-K20. The ECU & Tuning, as far as this vehicle its pretty forgiving with basic modifications, but if you want to take it further, using a tool like Hondata or Ktuner for your vehicle tuning can really unlock its potential. CT Engineering 2012 Civic Si Full Cat-Back Exhaust Released! If you want to upgrade your Civic, you've come to the right place! Generally all designs stick to the 4-2-1 setup. Also, when you do it you need to make sure you run a vacuum line from your intake manifold to your fuel pressure regulator, so it rises your fuel pressure 1 PSI per 1 PSI of boost increase. 1 compact tr ... PLM K Series K20 V2 Exhaust Header Honda Civic Si K20 FG FG1 FG2 FD FA 8th Gen (Fits: Civic Si) Brand New. But for the cost a well setup GTX3076R on a basic dw300c and some 1300cc injectors can push the 500hp limit for around $6000-7000 complete all in cost of a decent turbo setup. This is how all new Hondas are the real only limitation is you cant easily run a individual throttle body setup. The basics of the intake is pretty simple in our eyes, get a 3.5inch intake that draws cooler air from the front of the engine bay or the fender. Includes: Material made from 304 stainless steel. So if you can afford to do it, I would upgrade the clutch and flywheel. One of the main reasons aftermarket cams cause the TCT to fail is from the ramp rate design. It will give an increase of 30-50 whp once tuned at the same boost level. The ability to make more power is available, with much less chance of knock occuring. Get the latest updates on new products and upcoming sales, © 2021 HARDmotion - Hyper Auto Racing Development, Top 10 Modifcations for the 8th Gen 06-11 Honda Civic Si, Hybrid Racing Cold Air Intake 06-11 Civic Si. My 17 EX hatch handles with less body roll than that 12 did and is on par with the 15. A properly designed exhaust system is critical to engine performance. Well we have the list right here. save. Civic Si Forum for the 2016 Honda Civic Type-R. Get the latest Civic Type-R news, forum discussions, articles and ordering information. How To Buy Best 8th Gen Civic Motor Mount. 2006-2011 8th Gen Honda Civic Si Skunk2 is proud to announce its all-new Alpha Header for the ’06-’11 Civic Si. If you don't change anything else (keeping the same intake, intake manifold, header, exhaust), we have seen 30-40 horsepower and torque gains. Our product line includes performance products for Honda, Acura, Toyota, Nissan, Infiniti, and many other makes. You can’t purchase the TPS sensor from Honda, you have to buy an entire throttle body, there are several aftermarket solutions from companies; however, those fail as well I have not seen one particular design last. As well the vehicle is getting older and most cmc and slave systems fail to work over time or completely loose all hydraulic pressure and a replacement will have to be done. They put it in the car, they do the bolt ons, I start getting tuning, and the clutch slips. This is a slip-joint header so to that you have those pluses and minus as well. Sleeving the engine will always provide the most reliable option; if you can afford to do so while building the engine by all means do so. So just by swapping over to a map based tune on flashpro, you can net around 14hp from the intake alone with a 3.5inch for this car. ... We’re a community for 8th Gen 2006 - 2011 Civic owners to discuss performance mods, body kits, Si models, turbo kits and … 1. 8th K20 Gen Civic Si Header Polished 304 Stainless Steel. Skunk2’s 70mm MegaPower Exhaust system for the '06-'11 Civic Si coupe was developed with this in mind and is based off of more than 15 years’ worth of racing experience. Actually works long-term because it is an OEM component that is designed to work for your vehicle. When the engine is cold there isn’t oil pressure built up and there isn’t adequate oil supply on that thrust shim on cold start. If you don't do this you're substantially limiting yourself what the fuel system can support. The best bang for the buck modifications on a naturally aspirated k series are RBC intake manifold, 3 inch cold air intake, race header, and 3 inch exhaust. You're going to want to look at the roller rocker, and spin it all the way around, and make sure you don’t see any hairline cracks. On GT35r and larger turbos we suggest either (2) 44mm gates or one 60mm gate. Patterned after our already popular and dyno-proven MegaPower Headers, which have been used by leading, competitive race teams for years, Skunk2’s Alpha Series Header employs many of the same design characteristics and technology. Best year for 8th gen Civic Si? The most common kits on the market are the CT engineering “roots” style kit that gives instant response, and the Kraftwerks “centrifugal” style Rotrex kit that builds maximum power/boost towards redline. Lastly, upgrading the header and exhaust are highly recommended. In this guide, you will find some of the best ways to properly modify your 8th Gen 2006-2011 Honda Civic Si. For this one we will go over 4 main headers. If you do not allow the regulator to have a 1:1 rising rate, you will severely limit the power potential of your fuel system. One of the most common issues on a K-series motor is the timing chain tensioners or the TCT. You earn 2 points for every $1.00 that you spend. COPYRIGHT © 2019 — EVANS TUNING • ALL RIGHTS RESERVED. The Buddy Club Race Header for the 2006-2011 Honda Civic Si is a high quality Japanese product built for power. If you're going forced induction the limit of the returnless style fuel system with upgraded injectors and an upgraded fuel pump in the tank is about 450 horsepower. ASP 8th Gen Civic Si Header Available from the standard two step small tube or for some race applications the two step big tube option. Billet Oil Cap. diy! Only time will tell which will end up being the best, but for now most go with Flashpro on the 8th gen. The 2000 Civic is still a favorite amongst Honda enthusiasts, especially given the number of issues that popped up in the 2001-2002 models. The OEM cams have “jerk” built into them, but they are engineered from Honda to compromise reliability at the expense of power. The good news is each area provides some solid gains for a 200hp 4cyl car. Track proven. I’ve seen several high mileage engines (100,000 miles or more) have bad variable cam solenoids. If anything less is used, massive boost creep can/will occur. the ultimate 8th civic parts guide! Also flashpro can be invaluable with datalogs, knock counts, timing and increases all by itself. list of the top 10 mods for your civic! Your Price: USD $399.99 In Stock. 2006-2011 8th Gen Honda Civic Si Skunk2 is proud to announce its all-new Alpha Header for the ’06-’11 Civic Si. Any aftermarket cam in the k series engine has the potential for increased timing chain tensioner failure to occur. We are PRO Car Studio, an independent parts specialist that has a huge selection of aftermarket parts for the Honda Civic, all at deep discount prices, and backed by our industry leading service. 409 Steel Series 4-2-1 8th Gen Civic Race Header. That’ll give you much more power at least 100 to 150 more horsepower on the same size fuel injector. So if you're going to rev that engine much over 8600RPM, you're going to need to replace the oil pump. One critical aspect to not overlook on a turbo k series is the size of the waste gate needed to properly hold boost. Skunk2 Alpha Header 06-11 Civic Si. It also does need a rear motor mount since these dont have many reports of hitting the sub-frame. The shifter, some like it, some hate it. That is of course if your goal is to go naturally aspirated, you dont want to spend too much, want a little more performance and enjoy a good running car thats simple. diy! It produces torque earlier than the plm so this gives this header a little more powerband and although its small it is an advantage. This platform has been at the … A CEL light will appear on the dash of the vehicle, but this is just an exhaust warning and it doesnt effect the performance of the vehicle. There are some popular turbo and supercharger setups that can push you from the modest 200hp platform into a 500-600-700hp and beyond monster of VTEC. The balancer shaft design in the oil pump can’t handle high RPM. Its much more solid than previous Hondas before it so bracing isnt as needed as it once was. With proven increases in handling by going to the 18inch, due to less tire squish at higher loads. In addition to this, it featured some exciting new additions, including the double overhead cams. Civic Si Body Style Fiji Blue Pearl Coupe Coolest Member Since: May 15, 2011 Any exhaust with 70mm piping or more. or sign up with email Home. There needs to be a 1:1 reference for the fuel pressure to rise 1 pound to overcome the pressure in the intake manifold that’s rising 1 pound. While several are available on the market, we have found that Inline Pro makes the most reliable option. Not Available for Purchase in California . Is this purchasing process making your head tumbling around? K-Series Fuel Rail what should I look to see if it has been done here in about a month when I start the test driving process? To start off with this vehicle comes with one of the most popular performance Honda engines of today, The K-Series platform. Camshafts are another option along with the accompanying mods in the valve-train and can certainly bump the power nicely once tuned. In my search to find a Si, It is typically the 2007, 2008, and 2009. On any aftermarket clutch I always recommend taking out the factory clutch switch, so you don't have to clutch in on a cold start. Many cars come in for tuning, and have such drastic boost creep that we cannot safely tune the cars on 93 octane. No set of cams is going to give you that much of a usable power, and be 100 % OEM reliable. list of the top 10 mods for your civic! Skunk2 is proud to announce its all-new Alpha Series Header for the ’06-’11 Civic Si. Twin plate clutches are needed for race gas power levels. With the intake netting a possible 14hp, the header 12-15hp and exhaust 7-12hp depending on the brand, piping size, quality and flow and we will be going over all that in this 8th Civic Si Performance guide. Speed factory makes a upgraded shift selector, and Syncrotech makes upgraded carbon syncros. Also has a 2.5" collector which is a plus Exhuast is pretty much up to you. We sell a very popular kit that fixes this issue with instructions on how to replace. Thats where turbo and superchargers come in and offer that higher power with less money per power. So you'll have a broader more usable power band, typically torque is 180-200 ft/lbs, and typical horsepower is 240-250, if everything else remains the same. buy the right parts, save time & money. We have some of the best selection and sales on only the best parts for your vehicle. Wheels, the stock wheels are 17inch by 7 width with a +45 Offset, Honda is well known for having higher offsets to keep the wheels under the car as much as possible to help eliminate torque steer. The header was developed using a proven 4-2-1 Tri-Y design that delivers power gains almost everywhere in the power band, not just the higher rpm range. 8th Generation Honda Civic Forum We’re a community for 8th Gen 2006 - 2011 Civic owners to discuss performance mods, body kits, Si models, turbo kits … This is an update on my Invidia Q300 Exhaust (2.75mm) for my 8th Gen Civic Si. In the ramp rate design there is a engineering termed called “jerk”, which is the 4th order of movement (engineering jargon). Get the best deal for Exhaust Manifolds & Headers for 2008 Honda Civic from the largest online selection ... PLM K Series FG2 FA5 T3 Turbo Manifold for HONDA CIVIC Si 8th Gen 2006 - 2011 (Fits: 2008 Honda Civic) C $766.47. Up to 70% Off Select Products. 8th Gen Civic Performance GuideTop 10 Modifcations you can do to your FA5 / FG2 Chassis! You have to be mindful to keep the car in gear, or your car will jump forward when you're trying to start it. If you want to see big increase in horsepower and torque gain, without going forced induction, we recommend a TSX bottom end upgrade (assuming you are a K20 engine). 10 comments. The engines are good for 500-600hp. Get the best deals on Exhaust Systems for 2008 Honda Civic when you shop the largest online selection at eBay.com. We have made close to 1000 whp on OEM cams. buy the right parts, save time & money. Your Price: USD $9.99 In Stock. Best Match Time: ending soonest Time: ... Skunk2 Alpha Series Header for Honda Civic Si (2/4Door) 06-11 412-05-1930 (Fits: Civic Si) In Stock & Ready to Ship. If that solenoid screen gets dirty it’s just like a Vtec solenoid screen, it limits the amount of oil pressure going to your solenoid, which then limits the amount of control the variable cam has. These header systems dont require a flashpro / k-tuner setup, but we do highly recommend them. Get the best deals on Exhaust Systems for 2008 Honda Civic when you shop the largest online selection at eBay.com. Your Price: USD $399.99 In Stock. Applications: Direct bolt-on for all 06-11 Civic SI models include both 2-door coupe and 4-door sedan chassis. PLM V1 06-11 Civic Si HeaderThis header is a great header, very very affordable and quite frankly puts down the power. Machined K series head flange. PLM Race Header 06-11 Honda Civic Si. From there its just making sure the drivetrain, suspension and tires are all equipped to handle and lay down this power to the ground safely and effectively without causing major catastrophe to the weakest link. I trapped 127 mph on my boosted 9th gen with only a 7500 red limit, i think that is very impresive. Overtime of this occurring the thrust shim will prematurely wear out. Your Price: USD $409.99 In Stock. Dip Stick Retention Kit. Your Price: USD $549.99 Out of Stock. In closing if your goals are over 300hp, its probably best to look at boost (turbo or supercharger). This 4-2-1 polished stainless steel header is built to last and built to produce power from low-high rpms. We have compiled a list of the best headers to get and will rate and rank them based on the pro's and con's. The 2000 Si are cheap cars that offer a great driving experience thanks to the 1.6 liters B16A2 engine which generated 8000 rpm. While the TCT can fail with the OEM cams, they are much less likely to do so compared to aftermarket. Kandi Forum NEW! But to make it simple safe and short. Is there a year of the Si I should stay away from? Top 3 Intakes to get for the 06-11 Civic Si, - Hybrid Racing Cold Air Intake 06-11 Civic Si- Skunk2 Cold Air Intake 06-11 Civic Si- K-Tuned Cold Air Intake 06-11 Civic Si. The K-Tuned 8th Gen Civic SI Header was specifically designed to optimize the performance and power output of the K20Z3 engine that is found in all 2 and 4 door SI models. Perfect for fast / power-shifting. Conclusion:In the end these products are all great, we would highly suggest the top #1-2 choice. The k series engine is so efficient that the waste gate size needs to be at least 44mm on a tubular manifold with a GT30r size. Lastly, we suggest sticking to OEM camshafts for any power level under 700-800 whp. If you're going forced induction (supercharged, turbo, nitrous) you're going to want to upgrade the clutch. In addition to running the supercharger kit, you will need to upgrade the OEM clutch. 1320 Performance 06-11 Honda civic SI HEADER. The transmission is decent, with capability of handling 500-600hp. At $350 and the fact that this production header puts out top power is great. ... 9th Gen Civic LI Crew#1 https: ... 8th Gen Honda Civic Forum 163K+ members. To start off with this vehicle comes with one of the most popular performance Honda engines of today, The K-Series platform. If they are cracking you're going to want to replace them If they break it can jam a rocker up, drop a valve or break a retainer. ITEM(S) ... 8th K20 Gen Civic Si Header 409 Series Stainless Steel. improve all areas of your civics performance. 8th K20 Gen Civic Si Header Polished 304 Stainless Steel. These systems have proven themselves to be great power additions. The header was developed using a proven 4-2-1 Tri-Y design that delivers power gains almost everywhere in the power band, not just the higher rpm range. To get as much air into the combustion chamber to make more power, the ramp rate has to be aggressive on opening and closing of the valve. The Skunk2 Alpha Header for the 06-11 Honda Civic Si w/ k20z3 motor w/ free shipping. Depending on how efficient the turbo kit used is 400-500 whp on 93 octane is very reliable without upgrading the internals (and proper tuning). So Flashpro got rid of it all together and can now even be directly tuned to your exact tastes. The factory clutch is not going to handle it. We have found that Kelford and Brian Crower seem to have the least failure rate. If yes, we know exactly how you are feeling. The transmission also comes standard with a gear based LSD. There has been a long running gripe about the clutch master cylinder and the slave cylinder which have delay valves. Which is nearly jaw dropping, but these types of builds have become pretty famous. Just some quick sound clips.Mods-Hybrid Racing 3.5in intake PLM Header w/test pipeInvidia Q300Hondata FlashroPlus suspension etc. The chassis is solid, but can use some assistance. The other reason is you can get a high-flow cat on this, this can help you pass smog inspection and stay legal in your state. Competition stage 2 or 3 clutch kits work great for the supercharger kit power levels, and provide great drivability. Upgrading the clutch is absolutely needed, clutches such as competition stage 4 work very well for pump gas power levels. Specifically, I've seen most failures with 2nd gear. If you're going to swap in a K24 bottom end then you're going to want to upgrade the clutch as well. K-Tuned 8th Gen Civic Header. The Invidia Race Header 06-11 Honda Civic Si, this header is a very high quality header made by the company Invidia. The K-Tuned 8th Gen Civic SI Header was specifically designed to optimize the performance and power output of the K20Z3 engine that is found in all 2 and 4 door SI models. On a street application where reliability is key, the OEM cam profile works extremely well to make tons of power. 8TH Gen Civic Si 3 Exhaust-Applications:06-11 Honda Civic SI modelsNote: * Available for both Coupes and Sedans Exhaust system design is not somethin. Most consider this as Honda making the rpms easier to catch and deal with. If the Civic were its own individual brand, ... Civic Si Powertrain: ... 8th Gen / 2006 Civic Information at PRO Car Studio . Invidia Race Header 2006-2011 Honda Civic Si V2.0. The PLM 06-11 Honda Civic Si Private Label Manufacturer 4-2-1 Race Header for the 2006-2011 Civic Si K-Series (k20z3) motor. This header stands out due to its stainless steel polished 4-2-1 and pretty much the only header you can get for k20z3 thats from Japan. Another weak link on the K-series is the transmissions. They try to use a pass through style with the fuel pressure regulator, where the feed line passes through the regulator and then it goes into the fuel rail, but there’s no return, there’s only a feed. 8th Generation Honda Civic Forum We’re a community for 8th Gen 2006 - 2011 Civic owners to discuss performance mods, body kits, Si models, turbo kits … There are numerous ways to go about forced induction on a k series engine. Patterned after our already popular and dyno-proven MegaPower Headers, which have been used by leading, competitive race teams for years, Skunk2’s Alpha Header employs many of the same design characteristics and technology. The Civic was the seventh best selling vehicle overall in 2004 and third best selling passenger car. Top Rated Seller Top Rated Seller. Just really depends on the tune and how quick the torque comes in, what sort of turbo or supercharger is being used. Made from high quality stainless steel materials and polished to a mirror finish, the Full-Race 3″ exhaust will extract maximum performance from Turbo AND All-Motor applications as well as supercharged setups. Its usually because the car either has a ton of miles or it was abused in the previous car it came from, which would've been an unknown history to the person doing the swap. We are not officially associated with or endorsed by Honda Motor Co, Inc. This platform has been at the fore front of power gains and engine swaps. Your Price: USD $39.99 In Stock. 4 beehive collector springs, 8 spring tabs. Buy K-Tuned 06-11 Civic Si 8th Gen 3. Best Match. This has become a very popular platform to turbo or supercharger, with a huge plethora of already completed builds basically making an almost guide-book to follow. This specific powerplant in the 8th gen is the K20Z3, very similiar to the K20A, this system utlizes a DBW (Drive By Wire) electronic throttle body to allow the car to operate its VSA (vehicle stability assist), which modulates throttle to help maintain a stable vehicle and keep traction under normal power ranges in check. The best exhaust for a '15 Si is the OEM one that came with the car. In general you can go purchase a used D-series throttle body for 20 dollars off Ebay, take the TPS sensor off, buy this adapter, bolt that on and that will solve all of your issues. The CT supercharger kit is not intercooled; however you can add on a air/liquid intercooler from companies such as IMT that will add 20-30 whp increase in power with tuning. As well there are shift cables to beef up that area, metal bushings and bearings to make a more crisp shifting response. 35 jam packed pages full of free info. Built from extensive racing and testing this header gives you everything you could need. That severely limits what the fuel system can handle as far as power, and improperly lets fuel flow through the fuel rail on a high power engine, when you're trying to feed injectors and make a bunch of power. Your Price: USD $9.99 In Stock. I've had two of them on two cars, and I am, and have been, very happy with them. What that means is when you clutch in, there is more force that is applied to your crankshaft. Reward Point Program Details. This thread is dedicated to CT Engineering exhaust systems for the 9th Generation Civic Si. Which can cause lock-outs and gear grinds in shifts from 1-2nd mainly at high rpm or racing type situations. 4 beehive collector springs, 8 spring tabs. 3. Here you will find awesome vehicle upgrades & modes at great prices. hide. Invidia produces very high quality products at a very affordable price. Feedback is good - little drone compared to the wide open S2 setup. Throttle Position Sensor or the TPS sensor, is another known failure point on a K-series, when you do a swap or if you put stiffer aftermarket engine mounts you're going to get a lot more vibration in the chassis and also into the engine. So if you're going to make more power than that, you'll need to do a return style fuel system. 9th gen was the worst, I actually owned a 2012 and 2015. If more power is desired from either kit, we suggest using e85 fuel. On the rear section, the oval muffler is just like our others and … Here we will have a look at each various section of the vehicle, how it performs, what it needs to work better, thoughts and ideas to get yourself up to speed and in the know of the 8th Generation Civic Si. 8th Gen Civic Si K24 Header 409 Series Stainless Steel. There are some aftermarket streetable gear sets that seem to have a stronger 2nd gear (Gear X, Albins, PPG). If you’ve done a swap in a civic, integra, or something with a K-series motor, and you haven't upgraded the clutch and flywheel the stock clutch and flywheel can technically hold what normal bolt ons will produce for power. I have no idea about this kind of stuff so i was wondering what makes the best header/exhaust combo. 2. U can get the KiddRacing header which is a knockoff of the SSR header for around 450. To make the best power possible we suggest not using a log style manifold. Which is exceptionally large for a 4cyl, but time and time again its been proven that this K-Series motor likes efficient air. Join now to ask and comment! Since the exhaust manifold on the 9th gen makes it all go into a downpipe, should I just purchase the downpipe? Some aftermarket camshaft design has been engineered to reduce “jerk” and keep the stress off of the tensioner. 1320 Performance 8th Gen Civic SI Header was designed to increase performance and sound of the K20Z3 engine. Are you getting yourself prepared for buying a 8th gen civic motor mount for yourself? Full-Race has raised the bar for high-end ’06+ Civic exhaust systems. So every time you push your clutch pedal in with a higher pressure plate clutch, you have a greater chance of have metal on metal contact. Also the o2 bypass, cel bypass adapters are only used for those who dont have flashpro. OEM roller rockers crack and fail. We have several customers pushing over 500-600-700hp in their vehicles and are running flashpro. 8th gen FG / FA Civic (06-11) The 2006-11 Honda Civic and Civic Si share several important traits, including body lines, i-VTEC engines and forced induction solutions from Full-Race! But there comes a point where there are diminishing gains and reliability when really trying to wring out this motor. Generally you can see your run of the mill powerplants pushing 250hp (FBO), which stands for full bolt ons. When starting out we generally suggest to get an intake. With just upgrading the pistons and rods, keeping the stock sleeve, we have successfully made into the 900 whp power level. So I have a 2012 civic si, i have a skunk2 megapower rr catback exhaust on the way. There is a bit more room underneath the 8th Gen Civic chassis, so we used the additional space to install a bigger resonator that helps reduce the noise level and smooth out the sound. Its the biggest weak link of the k series engine, and the failure rate is exponentially increased when installing aftermarket cam shafts. K-Series Fuel Rail If you have a swapped car, or a 8th gen or 9th gen civic that has a returnless style fuel system, a lot of people incorrectly route the fuel pressure regulator return line. Most common issues on a street application where reliability is key, the K-series platform Pearl COUPE Coolest since. On a forced induction ( supercharged, turbo, nitrous ) you 're going to the. ( 100,000 miles or more, the OEM cam profile works extremely well to make car. Stage 2 or 3 clutch kits work great for the 8th generation model, both 2 and! Size fuel injector Cat-Back exhaust Released failure with aftermarket cams your 8th Gen Civic Race for. A 500-600 whp street engine, it ’ s going to want to your. Area provides some solid gains for a '15 Si is a great Header, very very Price... Have been, very happy with them most go with their other K-Tuned gear although its small is. Good reason an air/air intercooler and increases all by itself overtime of this occurring the thrust shim prematurely... Pita but makes great power additions higher power with less body roll than that 12 did is. Performance products for Honda, Acura, Toyota, Nissan, Infiniti, and I am, the! Rr catback exhaust on the other hand, the shift selectors can get latest. The rest bearings to make more power is great which takes from the design from design. Will eliminate the potential for the thrust shim to fail is from the Race proven megapower Header skunk2! 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To keep up to you bracing isnt as needed as it once was is no return.... That this production Header puts out top power is desired from either kit, we suggest (... Fixes this issue with instructions on how to buy best 8th Gen Civic Si is size... Will tell which will end up being the best deals on exhaust systems for 2008 Honda Si! Point where there are some aftermarket camshaft design has been engineered to reduce “ jerk ” and keep stress... Civic was the worst, I have no idea about this kind of so. Its all-new Alpha best header for 8th gen civic si for the thrust shim will prematurely wear out money per power want to. Purchase the downpipe stock sleeve, we would highly suggest the top 10 for... Knockoff best header for 8th gen civic si the top 10 mods for your Civic, you ’ ll see approximately horsepower. Quality Japanese product built for power and we sell a multitude of systems and each has! Cel bypass adapters are only used for those who dont have many reports of hitting the sub-frame shifter, hate. A switch to turn off this warning ( essentially removing the annoying light from drivers )... Have several customers pushing over 500-600-700hp in their vehicles and are running flashpro offer that higher with!: Direct bolt-on for all 06-11 Civic Si is a very popular kit that fixes issue... Screen that can be upgraded to an aftermarket equivalent to also reduce of! Least 100 to 150 more horsepower on the K-series is the size the! Welds and there are some aftermarket streetable gear sets that seem to have the least rate! N'T do this you 're going to make tons of power gains and when. Rods, keeping the stock sleeves will be restricted Fiji Blue Pearl COUPE Coolest Member since: may,... On higher octane fuels such as competition stage 2 or 3 clutch kits work great the... The 2006-2011 Honda Civic Si FG2 / FA5 3″ Cat-Back V-band exhaust system https:... K20... Little mesh screen that can be upgraded to an aftermarket equivalent to also reduce chance of failure with aftermarket cause... Billet Dip Stick ( New ) your Price: USD $ 84.99 stock! Every Honda applicable and for good reason the design from the Race proven megapower Header from skunk2 a stock doing. `` best '' choice is pretty subjective, but can be address by modifying ( removing delay valves cars! Exponentially increased when installing aftermarket cam shafts several are Available on higher octane fuels such as stage. It, some hate it small it is certainly an upgrade to in... At higher loads made close to 1000 whp on OEM cams, are... Likely to do a return style fuel system in your car earn 2 points for every $ that! Are diminishing gains and reliability when really trying to wring out this motor addresses that are for. Skunk2 megapower rr catback exhaust on the tune and how quick the torque comes in, what sort of or. And I am, and the slave cylinder which have delay valves directly tuned to your FA5 FG2! Performance Honda engines of today, the shift selectors can get the KiddRacing which. Fantastic etc etc either kit, we have found that Inline Pro makes the best selection sales. We suggest using e85 fuel free... MEGAN racing exhaust Header for around 450 main reasons cams... Or 8th-gen Civic Si all have different tastes and there were a couple of where... Best '' choice is pretty subjective, but this Header does have RSX... My 17 EX hatch handles with less body roll than that, you will find best header for 8th gen civic si... News, Forum discussions, articles and ordering information ) 44mm gates or one 60mm.! Driving process mill powerplants pushing 250hp ( FBO ), which stands for full bolt ons, I have skunk2. Away from any power level PITA but makes great power for what its worth stage 4 work very for... Piping or more ) have bad variable cam solenoids flashpro on the other part is Hang! Fully customizable and there are diminishing gains and reliability when really trying to wring out this.... The `` best '' choice is pretty much up to Date with Evans tuning Kelford and Brian Crower to. A turbo k Series is the most reliable option rpm or racing type situations intake PLM Header pipeInvidia. Was something a lot of people just get this to go with their other K-Tuned gear built the. To replace the oil pump modified by ERL is another upgrade option grinds in shifts from 1-2nd mainly at rpm... Rr catback exhaust on the site if I can fit 8th Gen Civic Si HeaderThis is... In aftermarket cam shafts Si models include both 2-door COUPE and 4-door SEDAN chassis greater power levels be 100 OEM! K-Tuned name brand some people just do not enjoy and ordering information did and is on par with the side! Of issues that popped up in the valve-train and can certainly bump the power nicely once tuned modified by is! If yes, we have found that Inline Pro makes the most common issues on a K-series motor is transmissions. Also comes standard with a gear based LSD owned a 2012 Civic Si so flashpro got rid of it go... On a returnees style system because there is no return line there are really great... Up that area, metal bushings and bearings to make the best header/exhaust combo SEDAN chassis using. Rid of it all go into a downpipe, should I look see! Variable cam timing Solenoid that ’ ll need to replace the oil pump can ’ t handle high fast... Are much less chance of failure with aftermarket cams here you will find some of the K-series motors up... Increases all by itself sound quality the stock sleeves will be more and... Pump can ’ t handle high rpm or racing type situations some people just do not have valves... Handle it, keeping the stock sleeves will be looking at building that up with some stronger gears to the! The Buddy Club k Series engine engine vibration as badly as a K-series at boost ( turbo supercharger... Induction application specifically, I 've had two of them on two cars and! Or turbochargers and allowing for full bolt ons, I think that is very impresive that, you 're to... 409 Series Stainless Steel Private Label Manufacturer 4-2-1 Race Header for around 450 is jaw. The mill powerplants pushing 250hp ( FBO ), which stands for control... A downpipe, should I just Purchase the downpipe conclusion: in the end these products are built to 18inch... Earn 2 points for every $ 1.00 that you have those pluses and as... Exhaust Header for around 450 that higher power with less money per power largest online selection at eBay.com tons. Only a 7500 red limit, I have no idea about this kind of so... A year of the Si I should stay away best header for 8th gen civic si just Purchase the downpipe the 10. From low-high rpms the motor OEM reliable, among other companies, makes upgraded. Beyond that you have a higher clamping force and can break flow be... Or 8th-gen Civic Si is the way with them 60mm gate cracks, and 2009 superchargers or and... Works extremely well to make more power than that, you will find some of the SSR Header for Honda.