Quick view Details GrimmSpeed | sku: grm191004 GimmSpeed Stage 1 Power Package for 08-14 Subaru STI - 191004 MSRP: Now: $435.00 Out of stock Compare SALE Quick view Details GrimmSpeed | sku: grm070047 GrimmSpeed 12mm Polyurethane Exhaust Hangers - Set of 4 for WRX / STI MSRP: Was: $54.74 Now: $52.90 Out of stock Compare SALE Quick view Details GrimmSpeed | sku: grm070046 Grimmspeed 12mm Polyurethane Two Position Exhaust Hanger - 070046 MSRP: Was: $29.04 Now: $28.06 Out of stock Compare SALE Quick view Details GrimmSpeed | sku: grmGasket-020031 GrimmSpeed 2 Bolt 2.25" / 2.5" Universal Gasket for BRZ / FR-S - 020031 MSRP: Was: $38.56 Now: $37.26 Out of stock Compare SALE Quick view Details GrimmSpeed | sku: grmGasket-033001 GrimmSpeed 3 Bolt APS Downpipe Gasket for 02-07 WRX / STI - 033001 MSRP: Was: $36.65 Now: $35.42 Out of stock Compare Quick view Details GrimmSpeed | sku: grm007064 GrimmSpeed 3 Bolt Inlet Uppipe for WRX / STI / LGT / FXT - 007064 MSRP: Now: $269.00 Out of stock Compare SALE Quick view Details GrimmSpeed | sku: grmGasket-034001 GrimmSpeed 3 Bolt Uppipe to Manifold Gasket for WRX / STI / Legacy -034001 MSRP: Was: $37.60 Now: $36.34 Out of stock Compare SALE Quick view Details GrimmSpeed | sku: grm057046 GrimmSpeed 3 Port Electronic Boost Control Solenoid Only for 15+ WRX - 057046 MSRP: Was: $139.47 Now: $134.78 Out of stock Compare SALE Quick view Details GrimmSpeed | sku: grm077044 GrimmSpeed 3" Downpipe to OEM Catback Adapter for 02+ WRX / STI - 04+ FXT MSRP: Was: $70.92 Now: $68.54 Out of stock Compare SALE Quick view Details GrimmSpeed | sku: grm057054 GrimmSpeed 3-Port Electronic Boost Control Solenoid for 17+ WRX FA20 Canadian MSRP: Was: $177.55 Now: $171.58 Out of stock Compare SALE Quick view Details GrimmSpeed | sku: grm008007 GrimmSpeed 38mm EWG Block Off Plate - 008007 MSRP: Was: $83.30 Now: $80.50 Out of stock Compare SALE Quick view Details GrimmSpeed | sku: grm018001 GrimmSpeed 3mm Phenolic Thermal Spacer for WRX / STI / Legacy / Forester MSRP: Was: $64.26 Now: $62.10 Out of stock Compare Quick view GrimmSpeed | sku: grm191004 GimmSpeed Stage 1 Power Package for 08-14 Subaru STI - 191004 The beauty of the GrimmSpeed Staged Power Packages is that all of the included components were designed and tested to work well together, as a complete system. Instead of piecing together parts from... MSRP: Now: $435.00 Out of stock Compare SALE Quick view GrimmSpeed | sku: grm070047 GrimmSpeed 12mm Polyurethane Exhaust Hangers - Set of 4 for WRX / STI Aftermarket exhaust systems are often of a larger tubing diameter than factory systems and as a result, are a tighter fit below your car. With factory rubber exhaust hangers, the result can often be... MSRP: Was: $54.74 Now: $52.90 Out of stock Compare SALE Quick view GrimmSpeed | sku: grm070046 Grimmspeed 12mm Polyurethane Two Position Exhaust Hanger - 070046 Aftermarket exhaust systems are often of a larger tubing diameter than factory systems and as a result, are a tighter fit below your car. With factory rubber exhaust hangers, the result can often be... MSRP: Was: $29.04 Now: $28.06 Out of stock Compare SALE Quick view GrimmSpeed | sku: grmGasket-020031 GrimmSpeed 2 Bolt 2.25" / 2.5" Universal Gasket for BRZ / FR-S - 020031 If you've dealt with sourcing exhaust gaskets before, you know that there are a lot of different options at a lot of different price points. Unfortunately, a gasket with stainless, multi-layer... MSRP: Was: $38.56 Now: $37.26 Out of stock Compare SALE Quick view GrimmSpeed | sku: grmGasket-033001 GrimmSpeed 3 Bolt APS Downpipe Gasket for 02-07 WRX / STI - 033001 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... MSRP: Was: $36.65 Now: $35.42 Out of stock Compare Quick view GrimmSpeed | sku: grm007064 GrimmSpeed 3 Bolt Inlet Uppipe for WRX / STI / LGT / FXT - 007064 Adding an aftermarket Up Pipe is one of the first things you should do to your Subaru. Arguably one of the best $/HP ratios. Our goal was to make a premium heavy duty Up Pipe for you. We designed... MSRP: Now: $269.00 Out of stock Compare SALE Quick view GrimmSpeed | sku: grmGasket-034001 GrimmSpeed 3 Bolt Uppipe to Manifold Gasket for WRX / STI / Legacy -034001 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... MSRP: Was: $37.60 Now: $36.34 Out of stock Compare SALE Quick view GrimmSpeed | sku: grm057046 GrimmSpeed 3 Port Electronic Boost Control Solenoid Only for 15+ WRX - 057046 If you've been in the Subaru game for long, you're probably well aware that a 3-port Boost Control Solenoid (BCS) is considered my most to be a 'must have' improvement before having your car tuned... MSRP: Was: $139.47 Now: $134.78 Out of stock Compare SALE Quick view GrimmSpeed | sku: grm077044 GrimmSpeed 3" Downpipe to OEM Catback Adapter for 02+ WRX / STI - 04+ FXT Exhaust leaks seem to be an all-too-common issue with most modded Subarus. They tend to spring up out of nowhere and cause hours of troubleshooting headaches. The most guaranteed leak you will get... MSRP: Was: $70.92 Now: $68.54 Out of stock Compare SALE Quick view GrimmSpeed | sku: grm057054 GrimmSpeed 3-Port Electronic Boost Control Solenoid for 17+ WRX FA20 Canadian ***This listing is specifically for the Canadian Spec 2017-2018 Domestic Market WRX. This is for '17-'18 WRX's that have a cast aluminum turbo inlet instead of the composite inlet found on USDM... MSRP: Was: $177.55 Now: $171.58 Out of stock Compare SALE Quick view GrimmSpeed | sku: grm008007 GrimmSpeed 38mm EWG Block Off Plate - 008007 A full External Wastegate (EWG) set-up consists of a EWG up-pipe and a wastegate. The EWG set-up creates better turbo spool because it can utilize the exhaust gas more efficiently; however, the full... MSRP: Was: $83.30 Now: $80.50 Out of stock Compare SALE Quick view GrimmSpeed | sku: grm018001 GrimmSpeed 3mm Phenolic Thermal Spacer for WRX / STI / Legacy / Forester Do you know what your intake manifold sits on?...a superheated engine. If you don't know already, the cooler your intake air is the more HP your car will achieve. We present you the answer to this... MSRP: Was: $64.26 Now: $62.10 Out of stock Compare 1 2 3 4 5 6 Next 1 2 3 4 5 6 Next Compare Selected × OK
SALE Quick view Details GrimmSpeed | sku: grm070047 GrimmSpeed 12mm Polyurethane Exhaust Hangers - Set of 4 for WRX / STI MSRP: Was: $54.74 Now: $52.90 Out of stock Compare
SALE Quick view Details GrimmSpeed | sku: grm070046 Grimmspeed 12mm Polyurethane Two Position Exhaust Hanger - 070046 MSRP: Was: $29.04 Now: $28.06 Out of stock Compare
SALE Quick view Details GrimmSpeed | sku: grmGasket-020031 GrimmSpeed 2 Bolt 2.25" / 2.5" Universal Gasket for BRZ / FR-S - 020031 MSRP: Was: $38.56 Now: $37.26 Out of stock Compare
SALE Quick view Details GrimmSpeed | sku: grmGasket-033001 GrimmSpeed 3 Bolt APS Downpipe Gasket for 02-07 WRX / STI - 033001 MSRP: Was: $36.65 Now: $35.42 Out of stock Compare
Quick view Details GrimmSpeed | sku: grm007064 GrimmSpeed 3 Bolt Inlet Uppipe for WRX / STI / LGT / FXT - 007064 MSRP: Now: $269.00 Out of stock Compare SALE Quick view Details GrimmSpeed | sku: grmGasket-034001 GrimmSpeed 3 Bolt Uppipe to Manifold Gasket for WRX / STI / Legacy -034001 MSRP: Was: $37.60 Now: $36.34 Out of stock Compare SALE Quick view Details GrimmSpeed | sku: grm057046 GrimmSpeed 3 Port Electronic Boost Control Solenoid Only for 15+ WRX - 057046 MSRP: Was: $139.47 Now: $134.78 Out of stock Compare SALE Quick view Details GrimmSpeed | sku: grm077044 GrimmSpeed 3" Downpipe to OEM Catback Adapter for 02+ WRX / STI - 04+ FXT MSRP: Was: $70.92 Now: $68.54 Out of stock Compare SALE Quick view Details GrimmSpeed | sku: grm057054 GrimmSpeed 3-Port Electronic Boost Control Solenoid for 17+ WRX FA20 Canadian MSRP: Was: $177.55 Now: $171.58 Out of stock Compare SALE Quick view Details GrimmSpeed | sku: grm008007 GrimmSpeed 38mm EWG Block Off Plate - 008007 MSRP: Was: $83.30 Now: $80.50 Out of stock Compare SALE Quick view Details GrimmSpeed | sku: grm018001 GrimmSpeed 3mm Phenolic Thermal Spacer for WRX / STI / Legacy / Forester MSRP: Was: $64.26 Now: $62.10 Out of stock Compare Quick view GrimmSpeed | sku: grm191004 GimmSpeed Stage 1 Power Package for 08-14 Subaru STI - 191004 The beauty of the GrimmSpeed Staged Power Packages is that all of the included components were designed and tested to work well together, as a complete system. Instead of piecing together parts from... MSRP: Now: $435.00 Out of stock Compare SALE Quick view GrimmSpeed | sku: grm070047 GrimmSpeed 12mm Polyurethane Exhaust Hangers - Set of 4 for WRX / STI Aftermarket exhaust systems are often of a larger tubing diameter than factory systems and as a result, are a tighter fit below your car. With factory rubber exhaust hangers, the result can often be... MSRP: Was: $54.74 Now: $52.90 Out of stock Compare SALE Quick view GrimmSpeed | sku: grm070046 Grimmspeed 12mm Polyurethane Two Position Exhaust Hanger - 070046 Aftermarket exhaust systems are often of a larger tubing diameter than factory systems and as a result, are a tighter fit below your car. With factory rubber exhaust hangers, the result can often be... MSRP: Was: $29.04 Now: $28.06 Out of stock Compare SALE Quick view GrimmSpeed | sku: grmGasket-020031 GrimmSpeed 2 Bolt 2.25" / 2.5" Universal Gasket for BRZ / FR-S - 020031 If you've dealt with sourcing exhaust gaskets before, you know that there are a lot of different options at a lot of different price points. Unfortunately, a gasket with stainless, multi-layer... MSRP: Was: $38.56 Now: $37.26 Out of stock Compare SALE Quick view GrimmSpeed | sku: grmGasket-033001 GrimmSpeed 3 Bolt APS Downpipe Gasket for 02-07 WRX / STI - 033001 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... MSRP: Was: $36.65 Now: $35.42 Out of stock Compare Quick view GrimmSpeed | sku: grm007064 GrimmSpeed 3 Bolt Inlet Uppipe for WRX / STI / LGT / FXT - 007064 Adding an aftermarket Up Pipe is one of the first things you should do to your Subaru. Arguably one of the best $/HP ratios. Our goal was to make a premium heavy duty Up Pipe for you. We designed... MSRP: Now: $269.00 Out of stock Compare SALE Quick view GrimmSpeed | sku: grmGasket-034001 GrimmSpeed 3 Bolt Uppipe to Manifold Gasket for WRX / STI / Legacy -034001 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... MSRP: Was: $37.60 Now: $36.34 Out of stock Compare SALE Quick view GrimmSpeed | sku: grm057046 GrimmSpeed 3 Port Electronic Boost Control Solenoid Only for 15+ WRX - 057046 If you've been in the Subaru game for long, you're probably well aware that a 3-port Boost Control Solenoid (BCS) is considered my most to be a 'must have' improvement before having your car tuned... MSRP: Was: $139.47 Now: $134.78 Out of stock Compare SALE Quick view GrimmSpeed | sku: grm077044 GrimmSpeed 3" Downpipe to OEM Catback Adapter for 02+ WRX / STI - 04+ FXT Exhaust leaks seem to be an all-too-common issue with most modded Subarus. They tend to spring up out of nowhere and cause hours of troubleshooting headaches. The most guaranteed leak you will get... MSRP: Was: $70.92 Now: $68.54 Out of stock Compare SALE Quick view GrimmSpeed | sku: grm057054 GrimmSpeed 3-Port Electronic Boost Control Solenoid for 17+ WRX FA20 Canadian ***This listing is specifically for the Canadian Spec 2017-2018 Domestic Market WRX. This is for '17-'18 WRX's that have a cast aluminum turbo inlet instead of the composite inlet found on USDM... MSRP: Was: $177.55 Now: $171.58 Out of stock Compare SALE Quick view GrimmSpeed | sku: grm008007 GrimmSpeed 38mm EWG Block Off Plate - 008007 A full External Wastegate (EWG) set-up consists of a EWG up-pipe and a wastegate. The EWG set-up creates better turbo spool because it can utilize the exhaust gas more efficiently; however, the full... MSRP: Was: $83.30 Now: $80.50 Out of stock Compare SALE Quick view GrimmSpeed | sku: grm018001 GrimmSpeed 3mm Phenolic Thermal Spacer for WRX / STI / Legacy / Forester Do you know what your intake manifold sits on?...a superheated engine. If you don't know already, the cooler your intake air is the more HP your car will achieve. We present you the answer to this... MSRP: Was: $64.26 Now: $62.10 Out of stock Compare 1 2 3 4 5 6 Next 1 2 3 4 5 6 Next Compare Selected × OK
SALE Quick view Details GrimmSpeed | sku: grmGasket-034001 GrimmSpeed 3 Bolt Uppipe to Manifold Gasket for WRX / STI / Legacy -034001 MSRP: Was: $37.60 Now: $36.34 Out of stock Compare
SALE Quick view Details GrimmSpeed | sku: grm057046 GrimmSpeed 3 Port Electronic Boost Control Solenoid Only for 15+ WRX - 057046 MSRP: Was: $139.47 Now: $134.78 Out of stock Compare
SALE Quick view Details GrimmSpeed | sku: grm077044 GrimmSpeed 3" Downpipe to OEM Catback Adapter for 02+ WRX / STI - 04+ FXT MSRP: Was: $70.92 Now: $68.54 Out of stock Compare
SALE Quick view Details GrimmSpeed | sku: grm057054 GrimmSpeed 3-Port Electronic Boost Control Solenoid for 17+ WRX FA20 Canadian MSRP: Was: $177.55 Now: $171.58 Out of stock Compare
SALE Quick view Details GrimmSpeed | sku: grm008007 GrimmSpeed 38mm EWG Block Off Plate - 008007 MSRP: Was: $83.30 Now: $80.50 Out of stock Compare
SALE Quick view Details GrimmSpeed | sku: grm018001 GrimmSpeed 3mm Phenolic Thermal Spacer for WRX / STI / Legacy / Forester MSRP: Was: $64.26 Now: $62.10 Out of stock Compare
Quick view GrimmSpeed | sku: grm191004 GimmSpeed Stage 1 Power Package for 08-14 Subaru STI - 191004 The beauty of the GrimmSpeed Staged Power Packages is that all of the included components were designed and tested to work well together, as a complete system. Instead of piecing together parts from... MSRP: Now: $435.00 Out of stock Compare SALE Quick view GrimmSpeed | sku: grm070047 GrimmSpeed 12mm Polyurethane Exhaust Hangers - Set of 4 for WRX / STI Aftermarket exhaust systems are often of a larger tubing diameter than factory systems and as a result, are a tighter fit below your car. With factory rubber exhaust hangers, the result can often be... MSRP: Was: $54.74 Now: $52.90 Out of stock Compare SALE Quick view GrimmSpeed | sku: grm070046 Grimmspeed 12mm Polyurethane Two Position Exhaust Hanger - 070046 Aftermarket exhaust systems are often of a larger tubing diameter than factory systems and as a result, are a tighter fit below your car. With factory rubber exhaust hangers, the result can often be... MSRP: Was: $29.04 Now: $28.06 Out of stock Compare SALE Quick view GrimmSpeed | sku: grmGasket-020031 GrimmSpeed 2 Bolt 2.25" / 2.5" Universal Gasket for BRZ / FR-S - 020031 If you've dealt with sourcing exhaust gaskets before, you know that there are a lot of different options at a lot of different price points. Unfortunately, a gasket with stainless, multi-layer... MSRP: Was: $38.56 Now: $37.26 Out of stock Compare SALE Quick view GrimmSpeed | sku: grmGasket-033001 GrimmSpeed 3 Bolt APS Downpipe Gasket for 02-07 WRX / STI - 033001 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... MSRP: Was: $36.65 Now: $35.42 Out of stock Compare Quick view GrimmSpeed | sku: grm007064 GrimmSpeed 3 Bolt Inlet Uppipe for WRX / STI / LGT / FXT - 007064 Adding an aftermarket Up Pipe is one of the first things you should do to your Subaru. Arguably one of the best $/HP ratios. Our goal was to make a premium heavy duty Up Pipe for you. We designed... MSRP: Now: $269.00 Out of stock Compare SALE Quick view GrimmSpeed | sku: grmGasket-034001 GrimmSpeed 3 Bolt Uppipe to Manifold Gasket for WRX / STI / Legacy -034001 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... MSRP: Was: $37.60 Now: $36.34 Out of stock Compare SALE Quick view GrimmSpeed | sku: grm057046 GrimmSpeed 3 Port Electronic Boost Control Solenoid Only for 15+ WRX - 057046 If you've been in the Subaru game for long, you're probably well aware that a 3-port Boost Control Solenoid (BCS) is considered my most to be a 'must have' improvement before having your car tuned... MSRP: Was: $139.47 Now: $134.78 Out of stock Compare SALE Quick view GrimmSpeed | sku: grm077044 GrimmSpeed 3" Downpipe to OEM Catback Adapter for 02+ WRX / STI - 04+ FXT Exhaust leaks seem to be an all-too-common issue with most modded Subarus. They tend to spring up out of nowhere and cause hours of troubleshooting headaches. The most guaranteed leak you will get... MSRP: Was: $70.92 Now: $68.54 Out of stock Compare SALE Quick view GrimmSpeed | sku: grm057054 GrimmSpeed 3-Port Electronic Boost Control Solenoid for 17+ WRX FA20 Canadian ***This listing is specifically for the Canadian Spec 2017-2018 Domestic Market WRX. This is for '17-'18 WRX's that have a cast aluminum turbo inlet instead of the composite inlet found on USDM... MSRP: Was: $177.55 Now: $171.58 Out of stock Compare SALE Quick view GrimmSpeed | sku: grm008007 GrimmSpeed 38mm EWG Block Off Plate - 008007 A full External Wastegate (EWG) set-up consists of a EWG up-pipe and a wastegate. The EWG set-up creates better turbo spool because it can utilize the exhaust gas more efficiently; however, the full... MSRP: Was: $83.30 Now: $80.50 Out of stock Compare SALE Quick view GrimmSpeed | sku: grm018001 GrimmSpeed 3mm Phenolic Thermal Spacer for WRX / STI / Legacy / Forester Do you know what your intake manifold sits on?...a superheated engine. If you don't know already, the cooler your intake air is the more HP your car will achieve. We present you the answer to this... MSRP: Was: $64.26 Now: $62.10 Out of stock Compare 1 2 3 4 5 6 Next 1 2 3 4 5 6 Next Compare Selected
SALE Quick view GrimmSpeed | sku: grm070047 GrimmSpeed 12mm Polyurethane Exhaust Hangers - Set of 4 for WRX / STI Aftermarket exhaust systems are often of a larger tubing diameter than factory systems and as a result, are a tighter fit below your car. With factory rubber exhaust hangers, the result can often be... MSRP: Was: $54.74 Now: $52.90 Out of stock Compare
SALE Quick view GrimmSpeed | sku: grm070046 Grimmspeed 12mm Polyurethane Two Position Exhaust Hanger - 070046 Aftermarket exhaust systems are often of a larger tubing diameter than factory systems and as a result, are a tighter fit below your car. With factory rubber exhaust hangers, the result can often be... MSRP: Was: $29.04 Now: $28.06 Out of stock Compare
SALE Quick view GrimmSpeed | sku: grmGasket-020031 GrimmSpeed 2 Bolt 2.25" / 2.5" Universal Gasket for BRZ / FR-S - 020031 If you've dealt with sourcing exhaust gaskets before, you know that there are a lot of different options at a lot of different price points. Unfortunately, a gasket with stainless, multi-layer... MSRP: Was: $38.56 Now: $37.26 Out of stock Compare
SALE Quick view GrimmSpeed | sku: grmGasket-033001 GrimmSpeed 3 Bolt APS Downpipe Gasket for 02-07 WRX / STI - 033001 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... MSRP: Was: $36.65 Now: $35.42 Out of stock Compare
Quick view GrimmSpeed | sku: grm007064 GrimmSpeed 3 Bolt Inlet Uppipe for WRX / STI / LGT / FXT - 007064 Adding an aftermarket Up Pipe is one of the first things you should do to your Subaru. Arguably one of the best $/HP ratios. Our goal was to make a premium heavy duty Up Pipe for you. We designed... MSRP: Now: $269.00 Out of stock Compare SALE Quick view GrimmSpeed | sku: grmGasket-034001 GrimmSpeed 3 Bolt Uppipe to Manifold Gasket for WRX / STI / Legacy -034001 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... MSRP: Was: $37.60 Now: $36.34 Out of stock Compare SALE Quick view GrimmSpeed | sku: grm057046 GrimmSpeed 3 Port Electronic Boost Control Solenoid Only for 15+ WRX - 057046 If you've been in the Subaru game for long, you're probably well aware that a 3-port Boost Control Solenoid (BCS) is considered my most to be a 'must have' improvement before having your car tuned... MSRP: Was: $139.47 Now: $134.78 Out of stock Compare SALE Quick view GrimmSpeed | sku: grm077044 GrimmSpeed 3" Downpipe to OEM Catback Adapter for 02+ WRX / STI - 04+ FXT Exhaust leaks seem to be an all-too-common issue with most modded Subarus. They tend to spring up out of nowhere and cause hours of troubleshooting headaches. The most guaranteed leak you will get... MSRP: Was: $70.92 Now: $68.54 Out of stock Compare SALE Quick view GrimmSpeed | sku: grm057054 GrimmSpeed 3-Port Electronic Boost Control Solenoid for 17+ WRX FA20 Canadian ***This listing is specifically for the Canadian Spec 2017-2018 Domestic Market WRX. This is for '17-'18 WRX's that have a cast aluminum turbo inlet instead of the composite inlet found on USDM... MSRP: Was: $177.55 Now: $171.58 Out of stock Compare SALE Quick view GrimmSpeed | sku: grm008007 GrimmSpeed 38mm EWG Block Off Plate - 008007 A full External Wastegate (EWG) set-up consists of a EWG up-pipe and a wastegate. The EWG set-up creates better turbo spool because it can utilize the exhaust gas more efficiently; however, the full... MSRP: Was: $83.30 Now: $80.50 Out of stock Compare SALE Quick view GrimmSpeed | sku: grm018001 GrimmSpeed 3mm Phenolic Thermal Spacer for WRX / STI / Legacy / Forester Do you know what your intake manifold sits on?...a superheated engine. If you don't know already, the cooler your intake air is the more HP your car will achieve. We present you the answer to this... MSRP: Was: $64.26 Now: $62.10 Out of stock Compare 1 2 3 4 5 6 Next 1 2 3 4 5 6 Next Compare Selected
SALE Quick view GrimmSpeed | sku: grmGasket-034001 GrimmSpeed 3 Bolt Uppipe to Manifold Gasket for WRX / STI / Legacy -034001 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... MSRP: Was: $37.60 Now: $36.34 Out of stock Compare
SALE Quick view GrimmSpeed | sku: grm057046 GrimmSpeed 3 Port Electronic Boost Control Solenoid Only for 15+ WRX - 057046 If you've been in the Subaru game for long, you're probably well aware that a 3-port Boost Control Solenoid (BCS) is considered my most to be a 'must have' improvement before having your car tuned... MSRP: Was: $139.47 Now: $134.78 Out of stock Compare
SALE Quick view GrimmSpeed | sku: grm077044 GrimmSpeed 3" Downpipe to OEM Catback Adapter for 02+ WRX / STI - 04+ FXT Exhaust leaks seem to be an all-too-common issue with most modded Subarus. They tend to spring up out of nowhere and cause hours of troubleshooting headaches. The most guaranteed leak you will get... MSRP: Was: $70.92 Now: $68.54 Out of stock Compare
SALE Quick view GrimmSpeed | sku: grm057054 GrimmSpeed 3-Port Electronic Boost Control Solenoid for 17+ WRX FA20 Canadian ***This listing is specifically for the Canadian Spec 2017-2018 Domestic Market WRX. This is for '17-'18 WRX's that have a cast aluminum turbo inlet instead of the composite inlet found on USDM... MSRP: Was: $177.55 Now: $171.58 Out of stock Compare
SALE Quick view GrimmSpeed | sku: grm008007 GrimmSpeed 38mm EWG Block Off Plate - 008007 A full External Wastegate (EWG) set-up consists of a EWG up-pipe and a wastegate. The EWG set-up creates better turbo spool because it can utilize the exhaust gas more efficiently; however, the full... MSRP: Was: $83.30 Now: $80.50 Out of stock Compare
SALE Quick view GrimmSpeed | sku: grm018001 GrimmSpeed 3mm Phenolic Thermal Spacer for WRX / STI / Legacy / Forester Do you know what your intake manifold sits on?...a superheated engine. If you don't know already, the cooler your intake air is the more HP your car will achieve. We present you the answer to this... MSRP: Was: $64.26 Now: $62.10 Out of stock Compare