Home > Articles/Links > Autocross Car Setup Guide > Subaru WRX - SCCA STX Class Subaru Impreza WRX, SCCA STX Class The Subaru Impreza WRX is currently (2007) the car-to-have for SCCA STX Class autocross. It has some close competition from the MINI Cooper S and Acura Integra Type R. Modifications for the STX class can vary widely, so we thought we would just give you an idea of what kind of setup works. Listed below are the mods from one of our sponsored drivers nationally competetive Subaru WRX which is run in the STX class... Power: PDE downpipe with high-flow cat PDE ceramic coated non-flex uppipe JIC 505 Titanium catback exhaust Blitz SUS Intake GP Moto Turbo Inlet Tube Custom ECUTek tune by TopSpeed Drivetrain: TIC Rear diff mount bushings STi engine mounts STi transmission mount STi pitch stop TIC Rear diff mount bushings Amsoil Series 2000 rear differential fluid Redline MT-90/Heavyweight ShockProof transmission fluid Suspension: Koni shocks (customer double-adjustable) Hyperco springs Cusco front camber plates JIC rear tophats Hotchkis lower adjustable link set Hotchkis sway bars Noltec front sway bar endlinks Kartboy rear sway bar endlinks Noltec steering rack bushings Brakes: StopTech front Big Brake kit - 328 x 28 mm Rotor/ 4 Piston Caliper Carbotech Bobcat brake pads Goodridge coated stainless steel brake lines ATE SuperBlue brake fluid Wheels and Tires: 17x8 Enkei RPF-1 wheels (dry setup) Yokohama Advan Neova AD07 tires, 235/40-17 (dry setup) 17x7 5Zigen FN01R-C wheels (rain setup) Yokohama Advan Neova AD07 tires, 225/45-17 (rain setup) Interior: Sparco Pro 2000 seats Schroth Rallye 4 harnesses               WARNING! - Motor racing is extremely hazardous, injury or death can occur. No warranty is made or implied regarding any product sold by Devo Tech, Inc. / SoloRacer.com to protect users from injury or death. The user assumes all risks. Please read the rest of our Legal Disclaimer before ordering. Our on-line store is up and running 24 hours a day, 7 days a week. We use Yahoo! Secure Servers for all transactions so you can shop with complete confidence. If you are uncomfortable purchasing online, email us for more ordering options. NORARacing |  RacingHelmetGuide.com | RacingSeatGuide.com | RacingTireGuide.com |  Corbeau USA ©Copyright 2002-2012 by Devo Tech, Inc.