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  1. Built Motor Discussion
    Hello every professional STI racers! I m located in Toronto, CA. my car is 18 STI and I just did compression and leakdown test days ago, the result is that cylinder 4 is showed 80 PSI for both compression and leakdown test as my STI is only 37600KM I have only done Catback, and Cobb Stage 3 kit...
  2. Cars For Sale
    Bringing my 2010 STI Hatch to the market: 60k Miles - Based in NY No performance upgrades - Has not been launched since originally purchasing. I am the second owner of this car, and replaced the clutch around 45k miles. There are some dings and dents on the driver side rear quarter panel and...
  3. Cars For Sale
    Want to buy 04-07 WRB sti with 100k miles or under I live in Wisconsin but will go far. My main concern is low or no rust and will need to do leak down and compression test. Thank you,
  4. Engine/Drivetrain/Performance Parts For Sale
    FS: Go Fast Bits Respons blowoff valve for 2002+ STI (T9003). Bolts on to stock intercooler. Adjustable, keeps CEL off (vent to atmosphere, recirculate, or any % split you choose). Works and looks great, outside of little rub mark on top. Including hardware. $200 obo (plus PayPal/shipping)...
  5. FAQ/Newbie Forum
    I recently got an STI and have been having a lot of fun learning about it and especially driving it. one thing I’m curious about is the best way to actually launch it if I wanted to take off. I don’t drive incredibly aggressive and am usually a pretty defensive driver but I want to have some fun...
  6. GD-General
    I'm looking at buying an '07 WRX STI (my dream car) and I'm pretty new to the GD platform so I'd like some opinions on whether it's going to be a money pit or not. Here's what the seller has told me: 190k on the chassis, fully rebuilt engine and trans have about 80k on them. Apart from...
  7. Built Motor Discussion
    Hey guys please help me ! Is it reliable to buy a Subaru wrx sti with 500whp with stage 3 tuff block? For example like daily driving without abusing it? Does the motor last longer than oem sti motor? Please help
  8. Apparel, Accessories, & Non-Automotive Stuff
    genuine Jacket of Subaru nurburgring challenge. Excellent condition 9.9/10 directly From japan!. extremely rare. Only 300 units. size XL. I’m 6.2 and 200lbs and fits perfectly! price: 350 USD + shipping
  9. Engine/Drivetrain/Performance Parts For Sale
    I have several sti parts for sale off a 2006 STI I have a rotomaster turbocharger with around 25K miles on it and yellow side feed sti injectors I also have the 2006 sti top mount and sti y pipe and sti up pipe and as far as fitment goes all these fit 02-07 wrx and Sti's as far as I know just...
  10. 2.5 Liter/Litre Factory Motor
    Hi all, I have a 2017 wrx sti with 30,000kms, and a stock block. Among many other things it has: csf radiator /oil cooler combo Killer b pickup Killer b pan Killer b windage tray I run 6qts 5w 30 redline oil currently but I have also run motul and regular Subaru oem oil. The car doesn’t burn...
  11. GR-General
    Soo... basically I haven't driven my 2012 sti for maybe 2 months because quarantine and I don't really have anywhere to go. I turn it on for a few minutes twice in those two months. Last night I decided to take the car for a spin but the battery was dead so I jumped it. It turned on and CEL was...
  12. Interior Parts For Sale
    OEM Cluster Bezel removed from 2012 STI. Should fit all Impreza, WRX and STI models from 2008-2014. Asking $15+shipping.
  13. Suspension/Stiffening Parts For Sale
    I have a pair of used SPC Adjustable Camber Arms P/N:67660. Bought from forum member couple of years ago, but never installed on my STI. I believe it has about 10k miles on them. Willing to ship at buyers expense, I can get a shipping quote if interested. Asking $125 for the pair.
  14. 2015+ STI Discussion
    Hello everyone, I have a 16 sti with a remark non resonated midpipe and boso axleback. I have an intake but still on stock downpipe and will stay that way at least until the summer. I want to know if the tomei is louder then this setup. My guess is the tomei is not as loud because of the...
  15. 2015+ STI Discussion
    Was up guys just got my 2018 red limited edition STI So far loving it Ibought Cobb intake ,Cobb Acess port , GFB bov and INVIDIA catback Stage 1 plus map installed whAt are other mods u recommend for me not to damage motor also on theGFB bov is it safe to turn the flinge open all the way to...
  16. FAQ/Newbie Forum
    Hey there. Been scouring the internet with minor results and my lack of knowledge. I have a 2015 sti and the low beam internal led burnt out. Took it to a shop and sadly that was the result. I'm assuming these are the limited headlights and I was trying to find aftermarket ones but all of them...
  17. Built Motor Discussion
    Hey guys. I have a 2018 STI that I’ve Been working on for about 2 years and here is my current Engine mod list. Cobb intake Cobb accessport Nameless turbo back exhaust AEM high flow fuel pump Cobb flex fuel sensor kit Cobb fuel rails Cobb 1050 injectors Flex fuel tune 333WHP/360T Just...
  18. GD-General
    I got a 2006 Sti and something I’ve noticed these past few weeks is that when I’m in acceleration the body/frame/shell, however you want to put it, seems to almost twist or torque with a creaking sound almost coming from my rear doors. Any ideas? Thoughts? Or fixes?
  19. Used STIs For Sale
    Kept in great condition, the guy we bought the car from back in 2009 did all the mods and kept it in great condition just like we did. He was the only owner before us. About 18lbs boost and ECU COBB tuner. Can be modded for about 80 more horsepower. Also have a pair of gold Rota wheels and...
  20. Engine/Drivetrain/Performance Parts For Sale
    Sold.
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