Subaru Corporation Genuine Parts (669/669)
Roger Clark Motorsport (126/126)
Mishimoto™ - Aluminum Radiator, Performance Radiator, Intercooler Specialist (56/56)
Cosworth (33/33)
Manley Performance (27/27)
4turbo - inspired by competition (3/3)
ACL - Performance Engine Bearings (18/18)
Aeroflow Performance (1/1)
Aeromotive, Inc – Serious Fuel Systems (1/1)
AMS Performance (4/4)
A'PEXi - Find your driving fun (1/1)
ARP - Automotive Racing Products (20/20)
Arrow Precision Engineering Ltd (1/1)
ATI Performance Products, Inc (1/1)
Beru (1/1)
Blitz Co., Ltd. (1/1)
Borg Warner (1/1)
Bridgeway (1/1)
Clevite Bearings (2/2)
Cobb Tuning (3/3)
Cometic Gasket. Inc. (3/3)
Company23 (4/4)
Continental Contitech (2/2)
CP Pistons (1/1)
CUSCO® Progressive Equipment (2/2)
Darton Sleeves (3/3)
Davies Craig - World's best auto cooling (4/4)
DeatschWerks, LLC (5/5)
DEI - Design Engineering, Inc.: Heat & Sound Insulation Products (14/14)
Denso Corporation (1/1)
ETS - Extreme Turbo Systems (2/2)
Ferrea - Racing Engine Valves (5/5)
Forge Motorsport (1/1)
Garrett - Turbo By Garrett (3/3)
HKS Co., Ltd. Performance Automotive Products (10/10)
IAG Performance (13/13)
IHI (5/5)
Injector Dynamics (4/4)
Invidia - Exhaust, Manifolds, Race Catalysts (10/10)
K1 (1/1)
Kelford Cams (2/2)
King Racing High Performance Bearings (4/4)
Koyo (1/1)
Mahle Performance (1/1)
MG Motorsport (1/1)
Milltek Sport (1/1)
Mitsubishi Turbocharger (4/4)
Mitsuboshi (1/1)
NGK Spark Plug (14/14)
Outfront Motorsports Inc. (1/1)
Perrin Performance (1/1)
Samco Sport (22/22)
STI - Subaru Tecnica International (11/11)
Subaru Boxer Diesel (1/1)
TiAL Sport (4/4)
Turbosmart - Manufacturer of turbo performance products (9/9)
Walbro (2/2)
Wiseco Manufactures High Performance Forged Pistons (5/5)