GrimmSpeed

Part Number: 007103 With the 2015 J-Pipe, the devil is truly in the details and the product development team here at GrimmSpeed has taken the time ...

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

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: 099050 Tired of being teased for your corroded alternator and boring engine bay? Step your Alternator Cover game up; GrimmSpeed has ju...

Part Number: 099012 Tired of being teased for your corroded alternator and boring engine bay? Step your Alternator Cover game up; GrimmSpeed has ju...

Part Number: 057033 The GrimmSpeed Mitsubishi EVO Boost Control Solenoid is designed to work with your factory computer (requires tuning). It will ...

Part Number: 057019 The GrimmSpeed Mitsubishi EVO Boost Control Solenoid is designed to work with your factory computer (requires tuning). It will ...

Part Number: 112000.1 GrimmSpeed engine dress-up pieces have been extremely popular with Subaru owners over the years, but there’s always been one ...

Part Number: 112000.2 GrimmSpeed engine dress-up pieces have been extremely popular with Subaru owners over the years, but there’s always been one ...

Part Number: 112000.3 GrimmSpeed engine dress-up pieces have been extremely popular with Subaru owners over the years, but there’s always been one ...

Part Number: 040004 Have you ever thought to yourself, ""Man, Trent, you've got all of these awesome parts but how are you supposed to let your cre...

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: 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: 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: 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: 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: 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: 070033 With so many catback options available, our goal was to create a unique, refined sound in an extremely high quality system. We'...

Part Number: 070045 With so many catback exhaust options available, our goal was to create a unique, refined sound in an extremely high-quality han...

Part Number: 090113 The GrimmSpeed Charge Pipe Kit replaces the restrictive stock plastic unit on the FA20-powered WRX with larger diameter CNC man...

Part Number: 060060 Inspiration for the StealthBox Intake came from internal discussions about what we wanted from an intake system for the 2015+ W...

Part Number: 060071 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...

Part Number: 060067 Inspiration for the StealthBox Intake came from internal discussions about what we wanted from an intake system for the 2015+ W...