GrimmSpeed

Part Number: 077044 Kill that exhaust leak for GOOD! GrimmSpeed Subaru 3 in. Downpipe Adpater Flared Adapter Transition! (Creates a smooth transiti...

Part Number: 060053 For years you've been asking us for intakes, and for years we've silently worked to create a solution that sets itself apart fr...

1Part Number: Gasket-034001 Rejoice 3-Bolt Up Pipe owners, you finally have a great replacement gasket for your up pipes! We listened to your wants...

Part Number: 113026 Over the years, GrimmSpeed Engineers have proven that we are capable of manufacturing the highest quality, best performing exha...

Part Number: 126022.1 The long-awaited GrimmSpeed Bypass Valves are here! Our passion for building the most robust, best-performing parts on the ma...

Part Number: 126024.2 The long-awaited GrimmSpeed Bypass Valves are here! Our passion for building the most robust, best-performing parts on the ma...

Part Number: 126024.1 The long-awaited GrimmSpeed Bypass Valves are here! Our passion for building the most robust, best-performing parts on the ma...

Part Number: 126023.1 The long-awaited GrimmSpeed Bypass Valves are here! Our passion for building the most robust, best-performing parts on the ma...

Part Number: 125026 One of the biggest complaints we’ve heard from 2015-21 WRX owners has to do with cracks forming in their OEM plastic turbo inle...

Part Number: 125027 One of the biggest complaints we’ve heard from 2015-21 WRX owners has to do with cracks forming in their OEM plastic turbo inle...

Part Number: 125023.2 Our post MAF hose construction improves on OE with 2 main features: First is the smooth inner surface, removing the pockets f...

Part Number: 125023.1 Our post MAF hose construction improves on OE with 2 main features: First is the smooth inner surface, removing the pockets f...

Part Number: 125010 Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out ...

Part Number: 125009 Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out ...

Part Number: 007097 Proudly made in the USA - Design, Materials and Fabrication Innovative 3-D Contour Flange (Limited models only) FARO™ Arm Desig...

Part Number: 007082 A downpipe is one of the first modifications that should be done on your car, as the OEM downpipe contains two very restrictive...

Part Number: 060054 Design requirements for this intake were simple: The intake must not only be safe for the engine, but perform well both with an...

Part Number: 007098 Proudly made in the USA - Design, Materials and Fabrication Innovative 3-D Contour Flange (Limited models only) FARO™ Arm Desig...