Engine Performance

GrimmSpeed Dry-Con Air Filters

GrimmSpeed Dry-Con Air Filters

$59.00

GrimmSpeed Exhaust Gasket Set - Subaru WRX/STI/LGT/FXT/OBXT

GrimmSpeed Exhaust Gasket Set - Subaru WRX/STI/LGT/FXT/OBXT

$99.00

Air/Oil Separator - WRX/STI/LGT/FXT

$299.00

Electronic Boost Control Solenoid 3-Port - Subaru 08-14 WRX, 05-09 LGT, 9-13 FXT

Electronic Boost Control Solenoid 3-Port - Subaru 08-14 WRX, 05-09 LGT, 9-13 FXT

$129.00

Up Pipe - WRX/STI/FXT/LGT/OBXT

$269.00

GrimmSpeed Manual Boost Controller MBC

Manual Boost Controller

$109.00

GrimmSpeed Subaru Lightweight Crank Pulley

Lightweight Crank Pulley - Subaru EJ Engines

$128.00

Dry Element Air Filter - 3.0" Inlet - Free U.S. Shipping!

Dry Element Air Filter - 3.0" Inlet - Free U.S. Shipping!

$60.00

WRX TMIC Kit Pictured

Top Mount Intercooler Kit - Subaru 08-14 WRX, 05-09 Legacy GT

$999.00

Crank Pulley Removal Tool - Subaru

Crank Pulley Removal Tool - Subaru

$55.00

GrimmSpeed Phenolic Thermal Manifold Spacer WRX/STI/FXT/LGT - 8mm

GrimmSpeed Phenolic Thermal Manifold Spacer WRX/STI/FXT/LGT - 8mm

$60.00

Cold Air Intake - Subaru Legacy GT 05-09, Outback XT 05-09

Cold Air Intake - Subaru Legacy GT 05-09, Outback XT 05-09

$349.00

HiFlow Exhaust Manifold Crosspipe 02-05/08+ WRX, ALL STi/LGT

HiFlow Exhaust Manifold Crosspipe 02-05/08+ WRX, ALL STi/LGT

$230.00

EJ25 0.78mm

GrimmSpeed EJ25 Head Gasket Sets

$139.00

Unequal Length Header - 04-21 STI, 02-14 WRX, 04-13 Forester XT, 05-09 Legacy GT, 05-09 Outback XT

Unequal Length Header - 04-21 STI, 02-14 WRX, 04-13 Forester XT, 05-09 Legacy GT, 05-09 Outback XT

$999.00

Subaru Phenolic Thermal Manifold Spacer

GrimmSpeed Phenolic Thermal Manifold Spacer WRX/STI/FXT/LGT - 3mm

$50.00

Up Pipe, 3-Bolt Inlet - WRX/STI/LGT/FXT

Up Pipe, 3-Bolt Inlet - WRX/STI/LGT/FXT

$269.00

GrimmSpeed Version 2 Bypass Valve - 08-14 WRX, 05-09 LGT

GrimmSpeed Version 2 Bypass Valve - 08-14 WRX, 05-09 LGT

$249.00