Products
Downpipe Catted, LIMITED, BLACK CERAMIC COATING...
USA's Finest Downpipe. Proudly made in the USA - Design, Materials and Fabrication Innovative ...
USA's Finest Downpipe. Proudly made in the USA - Design, Materials and Fabrication Innovative 3-D Contour Flange (Limited models only) FARO™ Arm Designed - We are at the leading edge of new product design hardware Flanges Fully CNC Machined (Limited models only) O2 Bungs for factory sensor and aftermarket wideband AFR Divorced Wastegate for Optimal flow High-flow, 300 cell, metallic substrate catalytic converter GrimmSpeed Gaskets Included! A downpipe is one of the first modifications t...
Downpipe Catted, LIMITED, BLACK CERAMIC COATING...
USA's Finest Downpipe. Proudly made in the USA - Design, Materials and Fabrication Innovative ...
USA's Finest Downpipe. Proudly made in the USA - Design, Materials and Fabrication Innovative 3-D Contour Flange (Limited models only) FARO™ Arm Designed - We are at the leading edge of new product design hardware O2 Bungs for factory sensor and aftermarket wideband AFR Divorced Wastegate for Optimal flow High-flow, 300 cell, metallic substrate catalytic converter GrimmSpeed Gaskets Included! A downpipe is one of the first modifications that should be done on your car, as the OEM downpip...
Downpipe Donut Gasket - 02+ WRX, 04+STI, LGT, F...
Replace your worn or leaking OEM donut gasket with this fiber-reinforced graphite donut gasket at...
Replace your worn or leaking OEM donut gasket with this fiber-reinforced graphite donut gasket at a fraction of the cost. Applications:Replaces Subaru part number 44022AA123
Downpipe to Catback 3" 2-Bolt 2X THICK Gasket
100% Thicker than OEM Gaskets!! Our new 2X Thick 3" 2-Bolt gasket is hands down the most beefy 3"...
100% Thicker than OEM Gaskets!! Our new 2X Thick 3" 2-Bolt gasket is hands down the most beefy 3" 2-Bolt gasket on the market. 12 LAYERS!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 nearly impossible to find. Until now. GrimmSpeed™ OEM Style Gasket, OEM quality without the high OEM price.At GrimmSpeed™ we have worked with endless amounts of afte...
Downpipe to Catback 3" 2-Bolt Gasket
An amazing 7 LAYERS! Tired of the endless searching for a 3" 2 Bolt premium gasket that doesn't b...
An amazing 7 LAYERS! 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 nearly impossible to find. Until now. GrimmSpeed OEM Style Gasket, OEM quality without the high OEM price.At GrimmSpeed™ we have worked with endless amounts of aftermarket gaskets, none seem to work as well as the multi-layer steel oem style gaskets. The issue with the oem gaskets...
Drive-by Cable Throttle Body Gasket
GrimmSpeed Drive By Cable Throttle Body Gasket for Subaru vehicles is here!
GrimmSpeed Drive By Cable Throttle Body Gasket for Subaru vehicles is here!
Drive-by Wire Throttle Body Gasket
GrimmSpeed Drive By Wire Throttle Body gasket for Subaru vehicles is here!
GrimmSpeed Drive By Wire Throttle Body gasket for Subaru vehicles is here!
- Eliminates wheel hop / traction loss- Improved 60fts / e.t's- Made out of lightweight T6061 alu...
- Eliminates wheel hop / traction loss- Improved 60fts / e.t's- Made out of lightweight T6061 aluminum These are GNP's Drive Shaft Carrier Bushings.What they do is, they replace stock rubber bushings with solid aluminum ones. They are a direct fit and a very easy install with simple hand tools. Why you would want these: If you just use your Subaru or Scion go to get the groceries or dropping the kids off at soccer practice, then the stock pieces would do you just fine. But.. If you enjoy dr...