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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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162
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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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1.6M
297
1.6M
WRX Tech Forums

Builds

Share your builds!
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228
68.6K

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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25M
84.9K
25M

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.
9.8K
5.1M
9.8K
5.1M

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.
13.9K
5.3M
13.9K
5.3M

Bolt-On Tech (EJ205 2.0L '02-05 WRX)

Intake, exhaust, turbos, intercoolers, fuel system, intake manifold, ignition, cooling, etc. For 2002-2005 WRX.
40.9K
12.8M
40.9K
12.8M

Tuning & Engine Management

ECU mods, stand alone ECUs, UTec, XEDE, TEC, Autronic, wideband, datalogging, etc.
15.8K
5.6M
15.8K
5.6M

Cylinder Head & Short Block

Cams, valvetrain, pistons, rods, stroker kits, swaps, etc. Advanced modification discussions only.
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2.8M
4.1K
2.8M

Drivetrain & Tranny

Transmission, shifters, clutches, torque converters, differentials, axles, gears, etc.
9.8K
4.2M
9.8K
4.2M

Handling Tech

Suspension, steering, brakes, tires, lightweight wheels, bushings, etc.
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5.5M
14.4K
5.5M

Problem Diagnosis

Need quick help? Troubleshoot the problem here.
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8.6M
20.9K
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Non-Performance Tech

Interior, exterior, appearance mods, lighting, alarms, car audio, radar detectors, etc.
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8M
24.1K
8M

Wheels, Tires, Brakes, and Suspension

Post your wheel, tire, brake, and suspension topics and questions here. Sponsored by Discount Tire
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1.7M
3.1K
1.7M
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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570K
1.4K
570K

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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887K
2.1K
887K

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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424K
402
424K
WRXtuners.com Marketplace

Parts For Sale (WRX-specific)

Parts For Sale (WRX-specific) New and used parts for WRX's - no vendor ads.
566
330K
566
330K

WRX STi - For Sale

WRX STi cars for sale. Complete cars.
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107K
81
107K

WRX Sedans - For Sale

WRX sedans for sale. Complete cars.
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92.7K
65
92.7K

WRX Wagons - For Sale

WRX wagons for sale. Complete cars.
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81.3K
58
81.3K

Car Audio - For Sale

Car audio and entertainment equipment.
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1
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Wheels/Tires - For Sale

Wheels and tires for sale.
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67
59K

Non-WRX Ads

Anything that doesn't fit in another category.
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5
9.2K

Want to Buy/Want to Trade

Anything you want to Buy or Trade.
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143
116K
Vendor Member Section

Vendor Deals

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11.8K
37
11.8K

CARiD.com

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200K
218
200K

Diode Dynamics

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78.4K
523
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Latest Posts See all new posts
  1. Subaru WRX Fog Light LED Bulbs Diode Dynamics carries LED bulbs for replacement of your Subaru WRX fog lights, in all major sizes. They are available in HP, XP, and SLF styles. This will make your WRX's fog lights a nice bright white that closely matches factory-equipped HID lighting, and...
  2. 2008-2014 Subaru WRX Hatchback Tail as Turn™ +Backup Module The Diode Dynamics Tail as Turn™ Module + Backup for the 2008-2014 Subaru WRX Hatchback! This is a unique mod that was 100% designed by Diode Dynamics in-house, and is manufactured by us right here in St. Louis, Missouri. Made in...
  3. 2015 WRX/STI Tail as Turn™ +Backup Module The Diode Dynamics Tail as Turn™ Module + Backup, for the 2015+ WRX or STI! This is a unique mod that was 100% designed by Diode Dynamics in-house, and is manufactured by us right here in St. Louis, Missouri. Made in USA! The Tail as Turn™ modules...
  4. Research Automotive Lighting At Diode Dynamics, we want our fellow WRX enthusiasts to be educated on automotive lighting products, so that they know they are purchasing the best products on the market. We have devoted this portion of our website to doing just that. Here you'll find information...
  5. 2015-2017 Subaru WRX/STi White LED Driving Light Kit Diode Dynamics is pleased to announce the LED Driving Light Kit for the 2015-2017 Subaru WRX/STi. This kit includes a pair of SS6 Stage Series 6" White (or Amber) Light Bars, bracket set, and a wiring harness. Upgrade your Subaru WRX/STi...
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