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  1. Canada
    So I recently just bought a 2009 Subaru wrx Sti Tech Package hatchback, and the car has a cylinder 3 misfire, I did the spark plugs the car has spark, also put a new coil pack in didn’t do anything, the owner said it smooths out as soon as you take out the MAF sensor wire, I tried it didn’t...
  2. Built Motor Discussion
    Apologies if this is the wrong sub. I’ve got a 2011 STI that I’m building and I’m looking at turbos that fit the bill, right now I’m looking at a TD06SL2 60-1 from Kinugawa that they rate for 450-500whp. The plan is to track the car in CSCS but it’s mostly a daily driver. Turbo specs are...
  3. GD-General
    Hey guys, this is my first post. I came here because I still can't figure out the issue. My 05 sti stalls out when i throw into neutral occasionally. So i replaced the neutral safety switch on transmission but it still keeps stalling and the p0851 (neutral switch input circuit low) is still...
  4. 2.5 Liter/Litre Factory Motor
    Hey guys, this is my first post. I came here because I still can't figure out the issue. My 05 sti stalls out when i throw into neutral occasionally. So i replaced the neutral safety switch on transmission but it still keeps stalling and the p0851 (neutral switch input circuit low) is still...
  5. 2015+ Member Journals
    Hey, I'm NoncarbonatedClack, and it's finally time to start a build journal! Next year in 2023, I'll finally start modding my car. I've got a bone stock 2016 STi, in Crystal Black Silica. ~65,000 on the ODO. It's the base model, optioned with the upgraded Harmon Kardon stereo and keyless start...
  6. 2015+ STI Discussion
    Hi GUYS i am here for help 19 sti OEM suspension and camber, looking for: Wheels 18 8.5+35/9.5+45/8.5+45? would they may hit the fender? or do i have to change Suspension? and tires size recommend? Kind regards
  7. General Subaru Discussion
    I'm on my second subaru sti and wanted to know what horsepower I'll be happy with but I just don't know what feels right. I'm looking for subaru owners with built cars ranging from 300- 600 hp "street legal" who wouldn't mind taking me in as a passenger so I can get a good feeling on what I'll...
  8. Suspension/Stiffening Parts For Sale
    2008-2014 STi Front Upper Strut Brace for sale. I'm only getting rid of this strut bar because it no longer fits with my Process West TMIC. It was only on the car for about 4,000 miles, half of which were just engine break in miles. It's in good condition. Willing to ship.
    $200 USD
  9. Suspension/Stiffening Parts For Sale
    Firm price. This is a $3069 set that I am selling for $1400 so I can get rid of it. Almost $1700 off just so I can move it and get some money back. Price is firm. Unfortunately I sold my 2021 STI because I need the money and to take care of my family. Its with great sadness and emotions that its...
    $1,400 USD
  10. FAQ/Newbie Forum
    I’ve got a 2019 STI, all stock, and will be getting a 18x9.5et38 wrapped with 245/40 for the next season. I’m looking to lower the car a little just to reduce wheel well gap. Should I be looking into coilovers or lowering springs? This is my daily and I think I don’t need high end coilovers or...
  11. 2.5 Liter/Litre Factory Motor
    Hello everyone! I am looking for advice/confirmation in regards to my 2020 STI. It is knocking very loud and consistent, I am pretty sure it is rod knock but I am no professional. Dropbox video of the knock: Video Oct 22 2022, 6 09 27 PM.mov (dropbox.com) Two days ago I was driving down the...
  12. DIY Mods & Installations
    Quick question, can a 2016+ oem sti headunit be installed in a 2015 Sti with out much difficulty?
  13. Used STIs For Sale
    Open to US buyers. I have a 2006 USDM STI which has a COMPLETE Version 8 JDM STI swapped into it. That's the full engine full drivetrain including subframe all from a Japanese market import. (Yes 35:65 power split). The engine is DBW. Using the OEM ECU and engine harness this was only possible...
    $20,000 USD
  14. Video Collection
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  15. General Subaru Discussion
    Yo! I have been browsing the market trying to find the best Mountain Bike(MTB) roof rack carrier that will work with my 2010 STI Hatchback. I have read that some carriers are too long and will hit the back window of the hatch as I open it. Im not interested in running a hitch and I know I can...
  16. 2.5 Liter/Litre Factory Motor
    I have an oil leak that is only coming down from the REAR of my oil pan on my 04 STi (strangely only the rear) . I'm suspicious of the rear main seal and/or oil separator plate but wanted to get input from the forum because i also think it may be the oil pan seal. When you have a rear main...
  17. FAQ/Newbie Forum
    I have been researching as well as pushing buttons but I need help. My Touring Outback had headlights that automatically turned on and switched to bright/then to dim. I never touched the stalk. Now I have a 2020 Limited STi. If I leave the stalk switch in the auto position, do the headlights...
  18. Cars For Sale
    $28,000 - OBO Cash/Certified check only Location: Raleigh, NC Miles: 49,XXX mi Single Owner (title in-hand) Clean Carfax No accidents Garaged Since 2013 < 4,000mi on Michelin Pilot Sport 4S: 255/35/18 End-to-End inspection by Insomnia Motorsports, Cary, NC (June 2022) New: brake pads (HAWK HP...
    $28,000 USD
  19. ECU Tuning & Performance Electronics
    Looking for a reputable remote tuner for a 2020 sti that could possibly adjust 02 reading for gesi downpipe to run correctly as well. Really need a tune, getting consistent -1.4 fkl when on wide open throttle and I want the car locked in. Mod list Cobb accessport Tomei catback Perrin cai (Money...
  20. 2015+ STI Discussion
    Hello guys, I just got crazy deal today for motul gear 300 LS for 17 dollars a quart got 6 quarts for diff and tranny fluid change for next upcoming maintenance. Is ok to use 300 LS instead of regular gear 300? I saw gear 300 LS has friction modifier added in side.
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