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General

Site Automotive News

News related to the Subaru Impreza WRX/STI and other Automotive coverage.
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Ride of the Month

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Vendor Announcements

Special sales, group buys, and product announcements from our supporting vendors.
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Frequently Answered WRX Questions

A list of the most popular questions asked and links to threads with answers. Every newbie should start here before posting questions. This is a READ ONLY forum.
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How-To Article Library

Installs, Parts Reviews, How-To's, etc. Document your turbo install, review your FMIC, explain how to read flow maps, etc. No questions or discussions
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WRX Tech Forums

Builds

Share your builds!
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Newbie Forum

Beginner/basic WRX tech-related discussions and general WRX questions. Specific questions should be asked in a focused forum below. This forum is for the newbies.
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25.4M

Bolt-on Tech(EJ255/EJ257 2.5L 08+ WRX, STi, & GT)

Intake, exhaust, turbos, intercoolers, fuel system, intake manifold, ignition, cooling, etc. For 2008+ STi, WRX, and GT.
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Bolt-on Tech (EJ225/257 2.5L 04-07 STi 06-07 WRX)

Intake, exhaust, turbos, intercoolers, fuel system, intake manifold, ignition, cooling, etc. For '04-07 STi and '06-07 WRX.
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5.4M
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Bolt-On Tech (EJ205 2.0L '02-05 WRX)

Intake, exhaust, turbos, intercoolers, fuel system, intake manifold, ignition, cooling, etc. For 2002-2005 WRX.
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Tuning & Engine Management

ECU mods, stand alone ECUs, UTec, XEDE, TEC, Autronic, wideband, datalogging, etc.
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Cylinder Head & Short Block

Cams, valvetrain, pistons, rods, stroker kits, swaps, etc. Advanced modification discussions only.
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Drivetrain & Tranny

Transmission, shifters, clutches, torque converters, differentials, axles, gears, etc.
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Handling Tech

Suspension, steering, brakes, tires, lightweight wheels, bushings, etc.
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Problem Diagnosis

Need quick help? Troubleshoot the problem here.
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Non-Performance Tech

Interior, exterior, appearance mods, lighting, alarms, car audio, radar detectors, etc.
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Wheels, Tires, Brakes, and Suspension

Post your wheel, tire, brake, and suspension topics and questions here. Sponsored by Discount Tire
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WRX Racing Forums

Road Course/Autocross Tech

Autocross, Road Race, and Open Track Event discussions. Preparation, technique, tips, and stories from the events. Tell us about your last event.
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Drag Strip Tech

For sanctioned, legal Drag Racing. Preparation, technique, tips, and stories from the events. Tell us about your last event. No street racing discussions.
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Rallycross/Rally Tech

For all multi-surface racing. Preparation, technique, tips, and stories from the events. Tell us about your last event.
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WRXtuners.com Marketplace

Parts For Sale (WRX-specific)

Parts For Sale (WRX-specific) New and used parts for WRX's - no vendor ads.
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583
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WRX STi - For Sale

WRX STi cars for sale. Complete cars.
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85
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WRX Sedans - For Sale

WRX sedans for sale. Complete cars.
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WRX Wagons - For Sale

WRX wagons for sale. Complete cars.
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Car Audio - For Sale

Car audio and entertainment equipment.
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Wheels/Tires - For Sale

Wheels and tires for sale.
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Non-WRX Ads

Anything that doesn't fit in another category.
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Want to Buy/Want to Trade

Anything you want to Buy or Trade.
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152
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Vendor Member Section

Vendor Deals

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CARiD.com

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Diode Dynamics

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Latest Posts See all new posts
  1. Bolt-on Tech(EJ255/EJ257 2.5L 08+ WRX, STi, & GT)
    recently decided to tackle upgrading my turbo moving to a vf52 turbo. in the process i managed to break 4 of my very brittle vacuum lines. Any ideas on where to find the diagram of where they connect? I've already decided to replace all of the lines as most are probably as brittle as the broken...
  2. I have an 08' WRX with 10,000 miles on it. When I accelerate it feels like the turbo kicks on and off. It kind of jolts back and forth. It will accelerate then slows down, then accelerate again. It doesn't happen all the time, and the car is perfect otherwise. The problem seems to be more...
  3. I did try a quick search and did not find any answers that would help me out in my current situation. I'm deep into a motor swap and I'm stuck at the throttle body. The swap I'm in the midst of is moving from an 03 WRX 2.0L turbo to an 05 Legacy GT 2.5L. I have the books for both motors from...
  4. Hi guys, I have an 03 sonic yellow that I recently picked up from copart as my latest rebuild after getting it home and starting the car I noticed it smoked so I pulled plugs and ran a compression test and it has 145 psi in 1 and 3 and 95 in 2 and 4 what could cause this bad head gasket,ring...
  5. Hey guys, I've been looking to get my first Subaru and I found one that looks good but I'm not sure. It has a huge build list and is pushing some impressive power numbers. Let me know what you guys think. Here the listing...
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