Red Stealthbox Air Intake Kit (060067) by GrimmSpeed. Inspiration for the StealthBox Intake came from internal discussions about what we wanted from an intake...
Manual Stubby Stainless Steel Shift Knob by GrimmSpeed. 1 Piece. Machined from solid 304 stainless steel right here in Minnesota, the GrimmSpeed Stainless Steel...
Clamps, Hangers and Misc Exhaust ComponentsExhaustGrimmSpeed
Downpipe Exhaust Adapter (077044) by GrimmSpeed. Main Piping Diameter: 3". Exhaust leaks seem to be an all-too-common issue with most modded Subarus. They tend...
Clamps, Hangers and Misc Exhaust ComponentsExhaustGrimmSpeed
Downpipe to Catback Adapter (077046) by GrimmSpeed. Main Piping Diameter: 3". Exhaust leaks seem to be an all-too-common issue with most modded Subarus. They...
Refine your gear shifting with the GrimmSpeed Swap-Top Weighted Shift Knobs! These unique shift knobs are available in two different body profiles, either bulb...
Refine your gear shifting with the GrimmSpeed Swap-Top Weighted Shift Knobs! These unique shift knobs are available in two different body profiles, either bulb...
The Grimmspeed Universal Turbo Gasket is perfect for those of you utilizing a T3 turbocharger. If you are performing maintenance while removing the turbocharger,...
T4 4-Bolt Divided Turbocharger Gasket (020029) by GrimmSpeed. GrimmSpeed was founded in 2006 to provide customers with innovative and highly engineered aftermarket products. In...
T4 4-Bolt Undivided Turbocharger Gasket (020028) by GrimmSpeed. GrimmSpeed was founded in 2006 to provide customers with innovative and highly engineered aftermarket products. In...
GrimmSpeed Shift Knobs have been extremely popular in the Subaru Enthusiast Community for a long time. The option of material, weight, size and finish has made them the go-to...
GrimmSpeed Shift Knobs have been extremely popular in the Subaru Enthusiast Community for a long time. The option of material, weight, size and finish has made them the go-to...
GrimmSpeed Shift Knobs have been extremely popular in the Subaru Enthusiast Community for a long time. The option of material, weight, size and finish has made them the go-to...
GrimmSpeed Shift Knobs have been extremely popular in the Subaru Enthusiast Community for a long time. The option of material, weight, size and finish has made them the go-to...
Now supporting the Evo community with the same top quality gaskets we have been offering Subaru owners for years! Introducing the Mitsubishi Evolution 8...
Constructed using a 5-ply process and high quality silcione material, this coupler will enable you to utilize a stock location, sti or aftermarket turbo...
There are two primary considerations in the design of an intercooler: maximum heat transfer and minimum pressure drop. Unfortunately, one causes the other, so...
There are two primary considerations in the design of an intercooler: maximum heat transfer and minimum pressure drop. Unfortunately, one causes the other, so...
The GrimmSpeed Charge Pipe Kit replaces the restrictive stock plastic unit on the FA20-powered WRX with larger diameter CNC mandrel bent aluminum tubing and...