Subaru Corporation Genuine Parts (383/383)

Subaru Boxer Diesel (55/55)

Mishimoto™ - Aluminum Radiator, Performance Radiator, Intercooler Specialist (47/47)

Roger Clark Motorsport (34/34)

Cosworth (30/30)

4turbo - inspired by competition (2/2)

ACL - Performance Engine Bearings (21/21)

AEM Performance Electronics (1/1)

Aeromotive, Inc – Serious Fuel Systems (1/1)

AMS Performance (3/3)

A'PEXi - Find your driving fun (1/1)

ARP - Automotive Racing Products (17/17)

Arrow Precision Engineering Ltd (1/1)

Blitz Co., Ltd. (1/1)

Clevite Bearings (2/2)

Cobb Tuning (2/2)

Cometic Gasket. Inc. (3/3)

Continental Contitech (2/2)

CP Pistons (1/1)

Darton Sleeves (3/3)

Davies Craig - World's best auto cooling (4/4)

DeatschWerks, LLC (4/4)

DEI - Design Engineering, Inc.: Heat & Sound Insulation Products (13/13)

Ferrea - Racing Engine Valves (1/1)

Fujitsubo Giken Kogyo (1/1)

Garrett - Turbo By Garrett (1/1)

HKS Co., Ltd. Performance Automotive Products (10/10)

IHI (3/3)

Injector Dynamics (3/3)

Invidia - Exhaust, Manifolds, Race Catalysts (3/3)

King Racing High Performance Bearings (2/2)

Manley Performance (23/23)

MG Motorsport (2/2)

Mitsubishi Turbocharger (2/2)

Mitsuboshi (1/1)

Murray Industrial Clamp (5/5)

NGK Spark Plug (2/2)

Omega Pistons (10/10)

Perrin Performance (1/1)

Samco Sport (10/10)

STI - Subaru Tecnica International (7/7)

Thermo-Tec Automotive Inc (3/3)

TiAL Sport (1/1)

Turbosmart - Manufacturer of turbo performance products (8/8)

Walbro (3/3)