Grimmspeed

It's no secret that GrimmSpeed intakes feature performance and aesthetics that lead the pack. With years of design theories and knowledge gained from their successful intake program, GS has developed...

GrimmSpeed 02-05 WRX/04+ STi/04-08 FXT Downpipe 3in Catted

GrimmSpeed 02-07 Subaru Impreza/WRX / 04-07 STI Radiator Shroud w/Tool Tray - Black

GrimmSpeed 02-07 Subaru Impreza/WRX / 04-07 STI Radiator Shroud w/Tool Tray - Red

GrimmSpeed 02-07 Subaru Inpreza/WRX/STi Hood Struts

GrimmSpeed 02-07 Subaru WRX / 04-07 Subaru STi / 02-05 Subaru Impreza Radiator Hose Kit - Black

GrimmSpeed 02-07 Subaru WRX / 04-07 Subaru STi / 02-05 Subaru Impreza Radiator Hose Kit - Red

GrimmSpeed 03-08 Subaru Forester Hood Struts

GrimmSpeed 04-08 Subaru Forester XT Radiator Hose Kit - Black

GrimmSpeed 04-08 Subaru Forester XT Radiator Hose Kit - Red

GrimmSpeed 05-09 Subaru Legacy/Outback Radiator Shroud w/Tool Tray - Textured Black

GrimmSpeed 05-09 Subaru Legacy/Outback Radiator Shroud w/Tool Tray - Textured Red

GrimmSpeed 06-07 WRX / 04+ FXT Exhaust Manifold Crosspipe w/ Black Ceramic Coating

GrimmSpeed 08+ Subaru Impreza/WRX/STI Radiator Shroud w/Tool Tray - Red

GrimmSpeed 08-10+ WRX / 05-09 LGT BLACK Air Oil Separator

GrimmSpeed 08-14 Subaru Impreza WRX Hood Struts

GrimmSpeed 08-14 Subaru WRX / 08-17 Subaru STi / 09-13 Subaru Forester XT Radiator Hose Kit - Black

GrimmSpeed 08-14 Subaru WRX / 08-17 Subaru STi / 09-13 Subaru Forester XT Radiator Hose Kit - Red

GrimmSpeed 15-17 Subaru WRX / 14-17 Subaru Forester XT Radiator Hose Kit - Black

GrimmSpeed 15-17 Subaru WRX / 14-17 Subaru Forester XT Radiator Hose Kit - Red

A Heavy Duty Multi-Layer 2.25"/2.5" Gasket with ALL Stainless Layers and Fire-Ring?? Yup! If you've dealt with sourcing exhaust gaskets before, you know that there are a lot of different options at a...

Tired of the endless searching for a 3" 2 Bolt premium gasket that doesn't blow out? Most aftermarket Subaru exhaust systems need a 3" 2 bolt gasket, however, a quality 3" 2 bolt style gasket is...

GrimmSpeed's 3 bolt multi-Layer stainless steel Subaru manifold to uppipe gasket features oem quality at a reduced price. The premium gasket is 22% thicker than OEM and features a 304 stainless steel...

The GrimmSpeed Catted J-Pipe for the 2015-20 Subaru WRX 6 Speed Manual Transmission is constructed from (1) mandrel bent 3" 304 stainless steel pipe. The pipe has a smooth 3.5" to 3" transition that...

GrimmSpeed 8mm Phenolic Thermal Spacers. Do you know what your intake manifold sits on?...a superheated boxer engine. If you don't know already, the cooler your intake air is the more HP your car...

The internal wastegate (IWG) bracket is used in place of the stock wastegate actuator when moving to an external wastegate setup. In previous years, turbo owners had to weld the IWG shut on their...

GrimmSpeed has designed a simple CAD modeled boost control adapter that utilizes the OEM WRX and Legacy GT turbo inlet. The billet adapter makes use of the inlets recirculation port and features a...

GrimmSpeed has provided a trusted 3-port EBCS (electronic boost control solenoid valve) solution for years that many Subaru tuners prefer. The 2015 - 20 Subaru WRX comes from the factory with a...

One bracket to rule them all. Fits ALL US WRX and STI Models - 2002-2016 fitments confirmed Extremely Adjustable - Mount them wide, tight, high, low or anywhere in between Heavy Duty Construction -...

Grimmspeed knows that many of you replace all of your exhaust gaskets at the same time while installing aftermarket exhaust parts on your car. GS decided to offer their premium multi-layer steel w/...