Subaru Corporation Genuine Parts (475/475)
Roger Clark Motorsport (91/91)
Subaru Boxer Diesel (51/51)
Mishimoto™ - Aluminum Radiator, Performance Radiator, Intercooler Specialist (30/30)
ACL - Performance Engine Bearings (20/20)
4turbo - inspired by competition (1/1)
Aeromotive, Inc – Serious Fuel Systems (1/1)
AMS Performance (1/1)
ARP - Automotive Racing Products (5/5)
Arrow Precision Engineering Ltd (1/1)
ATI Performance Products, Inc (1/1)
Blitz Co., Ltd. (1/1)
Bridgeway (1/1)
Clevite Bearings (2/2)
Cobb Tuning (1/1)
Company23 (10/10)
Cosworth (18/18)
Darton Sleeves (3/3)
Davies Craig - World's best auto cooling (1/1)
DeatschWerks, LLC (1/1)
DEI - Design Engineering, Inc.: Heat & Sound Insulation Products (12/12)
Denso Corporation (1/1)
ETS - Extreme Turbo Systems (1/1)
Garrett - Turbo By Garrett (5/5)
HKS Co., Ltd. Performance Automotive Products (1/1)
IAG Performance (13/13)
Invidia - Exhaust, Manifolds, Race Catalysts (9/9)
King Racing High Performance Bearings (5/5)
Mahle Performance (1/1)
Manley Performance (5/5)
MG Motorsport (2/2)
Outfront Motorsports Inc. (1/1)
Perrin Performance (1/1)
Samco Sport (10/10)
STI - Subaru Tecnica International (6/6)
TiAL Sport (3/3)
Tomei Powered Inc. (1/1)
Turbosmart - Manufacturer of turbo performance products (3/3)
Wiseco Manufactures High Performance Forged Pistons (3/3)
