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GrimmSpeed

GrimmSpeed Subaru performance parts come from a company that began in 2006 in a single-stall garage in Maplewood, Minnesota. Bulletproof Automotive stocks its top and front mount intercoolers, charge pipes, intakes, headers, up-pipes, catback exhausts, 4-piston brake caliper kits, the BB500 turbocharger and titanium engine bay parts for the WRX, STI, Forester XT, Legacy GT, BRZ and GR86. Browse the GrimmSpeed range below.

GrimmSpeed Unequal Length EJ Header for GD / GR / GV / VA Subaru STI and GD / GR / GV WRX [GRM113026]
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GrimmSpeed Unequal Length EJ Header for GD / GR / GV / VA Subaru STI and GD / GR / GV WRX [GRM113026]
$1,049.00

GrimmSpeed Unequal Length EJ Header for GD / GR / GV / VA Subaru STI and GD / GR / GV WRX [GRM113026]
GrimmSpeed Equal Length Header for VA Subaru WRX and SJ Forester XT [GRM113008]
$979.00

GrimmSpeed Equal Length Header for VA Subaru WRX and SJ Forester XT [GRM113008]
GrimmSpeed Billet Top Mount Intercooler Kit for VB Subaru WRX, WM Ascent, BT Outback XT and BW Legacy XT
Price range: $899.00 through $999.00

GrimmSpeed Billet Top Mount Intercooler Kit for VB Subaru WRX, WM Ascent, BT Outback XT and BW Legacy XT
GrimmSpeed Top Mount Intercooler Kit for GD, GR / GV and VA Subaru STI
Price range: $749.00 through $799.00

GrimmSpeed Top Mount Intercooler Kit for GD, GR / GV and VA Subaru STI
GrimmSpeed BB500 Turbocharger for VA, GR / GV and GD Subaru STI, GR / GV and GD WRX, and BL / BP Legacy GT [GRM123006]
Original price was: $1,999.00.Current price is: $1,599.00.

GrimmSpeed BB500 Turbocharger for VA, GR / GV and GD Subaru STI, GR / GV and GD WRX, and BL / BP Legacy GT [GRM123006]
GrimmSpeed Top Mount Intercooler Kit for GR / GV Subaru WRX
Price range: $999.00 through $1,099.00

GrimmSpeed Top Mount Intercooler Kit for GR / GV Subaru WRX
GrimmSpeed Top Mount Intercooler Kit for BL / BP Subaru Legacy GT and BP Outback XT
Price range: $999.00 through $1,099.00

GrimmSpeed Top Mount Intercooler Kit for BL / BP Subaru Legacy GT and BP Outback XT
GrimmSpeed StealthBox Cold Air Intake for VA Subaru WRX
$425.00

GrimmSpeed StealthBox Cold Air Intake for VA Subaru WRX
GrimmSpeed Top Mount Intercooler Kit for VA Subaru WRX
Price range: $899.00 through $999.00

GrimmSpeed Top Mount Intercooler Kit for VA Subaru WRX
GrimmSpeed StealthBox Cold Air Intake for VA Subaru STI
$369.00

GrimmSpeed StealthBox Cold Air Intake for VA Subaru STI
GrimmSpeed Cold Air Intake for GD Subaru WRX and STI, and SG Forester XT
$369.00

GrimmSpeed Cold Air Intake for GD Subaru WRX and STI, and SG Forester XT
GrimmSpeed Version 2 Bypass Valve for GD Subaru WRX and STI, GR / GV / VA STI, and SG Forester XT
$299.00

GrimmSpeed Version 2 Bypass Valve for GD Subaru WRX and STI, GR / GV / VA STI, and SG Forester XT
GrimmSpeed Version 2 Bypass Valve for VA Subaru WRX and SJ Forester XT
$299.00

GrimmSpeed Version 2 Bypass Valve for VA Subaru WRX and SJ Forester XT
GrimmSpeed Cold Air Intake for ZC6 Subaru BRZ and ZN6 Scion FR-S / Toyota 86
$389.00

GrimmSpeed Cold Air Intake for ZC6 Subaru BRZ and ZN6 Scion FR-S / Toyota 86
GrimmSpeed Cold Air Intake for GR / GV Subaru WRX and STI, and SH Forester XT
$369.00

GrimmSpeed Cold Air Intake for GR / GV Subaru WRX and STI, and SH Forester XT
GrimmSpeed Charge Pipe Kit for VA Subaru WRX
$319.00

GrimmSpeed Charge Pipe Kit for VA Subaru WRX
GrimmSpeed Cold Air Intake for BL / BP Subaru Legacy GT and Outback XT
$369.00

GrimmSpeed Cold Air Intake for BL / BP Subaru Legacy GT and Outback XT
GrimmSpeed Front Mount Intercooler Kit for GR / GV Subaru WRX
Price range: $1,639.00 through $1,749.00

GrimmSpeed Front Mount Intercooler Kit for GR / GV Subaru WRX
GrimmSpeed Front Mount Intercooler Kit for GV / GR Subaru STI
Price range: $1,639.00 through $1,749.00

GrimmSpeed Front Mount Intercooler Kit for GV / GR Subaru STI
GrimmSpeed Air/Oil Separator Kit for GD Subaru WRX, GD, GR / GV and VA STI, SG Forester XT, and Baja XT
Price range: $315.00 through $350.00

GrimmSpeed Air/Oil Separator Kit for GD Subaru WRX, GD, GR / GV and VA STI, SG Forester XT, and Baja XT
GrimmSpeed Air/Oil Separator Kit for GR / GV Subaru WRX, BL / BP Legacy GT and Outback XT, and SH Forester XT
$349.00

GrimmSpeed Air/Oil Separator Kit for GR / GV Subaru WRX, BL / BP Legacy GT and Outback XT, and SH Forester XT
GrimmSpeed Front Mount Intercooler Kit for VA Subaru WRX
Price range: $1,639.00 through $1,749.00

GrimmSpeed Front Mount Intercooler Kit for VA Subaru WRX
GrimmSpeed Front Mount Intercooler Kit for VA Subaru STI
Price range: $1,639.00 through $1,749.00

GrimmSpeed Front Mount Intercooler Kit for VA Subaru STI
GrimmSpeed Equal Length Header for VB Subaru WRX [GRM113401]
$1,029.00

GrimmSpeed Equal Length Header for VB Subaru WRX [GRM113401]
GrimmSpeed Stage 1 Power Package for BL / BP Subaru Legacy GT and Outback XT [GRM191007]
$465.00

GrimmSpeed Stage 1 Power Package for BL / BP Subaru Legacy GT and Outback XT [GRM191007]
GrimmSpeed Stage 1 Power Package for VA Subaru STI [GRM191013]
$465.00

GrimmSpeed Stage 1 Power Package for VA Subaru STI [GRM191013]
GrimmSpeed Stage 1 Power Package for GR / GV Subaru WRX and SH Forester XT [GRM191001]
$465.00

GrimmSpeed Stage 1 Power Package for GR / GV Subaru WRX and SH Forester XT [GRM191001]
GrimmSpeed Stage 1 Power Package for VA Subaru WRX [GRM191010]
$555.00

GrimmSpeed Stage 1 Power Package for VA Subaru WRX [GRM191010]
GrimmSpeed Stage 1 Power Package for GV / GR Subaru STI [GRM191004]
$465.00

GrimmSpeed Stage 1 Power Package for GV / GR Subaru STI [GRM191004]
GrimmSpeed Charge Pipe Kit for VB Subaru WRX, WM Ascent, BT Outback XT and BW Legacy XT
$359.00

GrimmSpeed Charge Pipe Kit for VB Subaru WRX, WM Ascent, BT Outback XT and BW Legacy XT
GrimmSpeed Titanium Radiator Shroud for VB Subaru WRX [GRM113090TI]
$325.00

GrimmSpeed Titanium Radiator Shroud for VB Subaru WRX [GRM113090TI]
GrimmSpeed Titanium Fender Shrouds for VB Subaru WRX [GRM113095TI]
$325.00

GrimmSpeed Titanium Fender Shrouds for VB Subaru WRX [GRM113095TI]
GrimmSpeed Titanium Engine Bay Dress Up Bundle for VB Subaru WRX [GRM.1303.5.Ti]
Original price was: $775.00.Current price is: $695.00.

GrimmSpeed Titanium Engine Bay Dress Up Bundle for VB Subaru WRX [GRM.1303.5.Ti]
GrimmSpeed Engine Mount Kit for VB Subaru WRX [GRM123078STR]
$309.00

GrimmSpeed Engine Mount Kit for VB Subaru WRX [GRM123078STR]
GrimmSpeed 2-Bolt EJ25 Up-Pipe for GD / GR / GV / VA Subaru STI and GD / GR / GV WRX
Price range: $289.00 through $319.00

GrimmSpeed 2-Bolt EJ25 Up-Pipe for GD / GR / GV / VA Subaru STI and GD / GR / GV WRX
GrimmSpeed Header and Up-Pipe Package for GD / GR / GV / VA Subaru STI and GD / GR / GV WRX [GRM.1307.5.BLK]
$1,299.00

GrimmSpeed Header and Up-Pipe Package for GD / GR / GV / VA Subaru STI and GD / GR / GV WRX [GRM.1307.5.BLK]
GrimmSpeed Drivetrain Package for VA, GR / GV, and GD Subaru WRX and STI [GRM.1304.5.0]
Original price was: $642.00.Current price is: $575.00.

GrimmSpeed Drivetrain Package for VA, GR / GV, and GD Subaru WRX and STI [GRM.1304.5.0]
GrimmSpeed Drivetrain Package for VB Subaru WRX [GRM.1305.5.0]
Original price was: $642.00.Current price is: $575.00.

GrimmSpeed Drivetrain Package for VB Subaru WRX [GRM.1305.5.0]
GrimmSpeed Inlet Build Package for VA Subaru WRX
$669.00

GrimmSpeed Inlet Build Package for VA Subaru WRX
GrimmSpeed 4-Piston 340mm Brake Caliper Kit for ZC6 / ZD8 Subaru BRZ and ZN6 / ZN8 Toyota 86 and GR86
$1,608.00

GrimmSpeed 4-Piston 340mm Brake Caliper Kit for ZC6 / ZD8 Subaru BRZ and ZN6 / ZN8 Toyota 86 and GR86
GrimmSpeed 4-Piston 326mm Brake Caliper Kit for ZC6 / ZD8 Subaru BRZ and ZN6 / ZN8 Toyota 86 and GR86
$1,624.00

GrimmSpeed 4-Piston 326mm Brake Caliper Kit for ZC6 / ZD8 Subaru BRZ and ZN6 / ZN8 Toyota 86 and GR86
GrimmSpeed 4-Piston 340mm Brake Caliper Kit for VB Subaru WRX
$1,608.00

GrimmSpeed 4-Piston 340mm Brake Caliper Kit for VB Subaru WRX
GrimmSpeed 4-Piston 316mm Brake Caliper Kit for VB Subaru WRX
$1,624.00

GrimmSpeed 4-Piston 316mm Brake Caliper Kit for VB Subaru WRX
GrimmSpeed 4-Piston 340mm Brake Caliper Kit for VA, GR / GV and GD Subaru WRX and STI
$1,608.00

GrimmSpeed 4-Piston 340mm Brake Caliper Kit for VA, GR / GV and GD Subaru WRX and STI
GrimmSpeed 4-Piston 326mm Brake Caliper Kit for VA, GR / GV and GD Subaru WRX and STI
$1,624.00

GrimmSpeed 4-Piston 326mm Brake Caliper Kit for VA, GR / GV and GD Subaru WRX and STI
GrimmSpeed Axle-Back Exhaust for ZD8 Subaru BRZ and ZN8 Toyota GR86 [GRM.1079.1.0]
$469.00

GrimmSpeed Axle-Back Exhaust for ZD8 Subaru BRZ and ZN8 Toyota GR86 [GRM.1079.1.0]
GrimmSpeed Titanium Fender Shrouds for VA Subaru WRX and STI [GRM.1066.1.TI]
$325.00

GrimmSpeed Titanium Fender Shrouds for VA Subaru WRX and STI [GRM.1066.1.TI]
GrimmSpeed Titanium Radiator Shroud for VA Subaru WRX and STI [GRM.1067.1.TI]
$325.00

GrimmSpeed Titanium Radiator Shroud for VA Subaru WRX and STI [GRM.1067.1.TI]
GrimmSpeed Titanium EJ257 Engine Bay Bundle for VA Subaru WRX STI [GRM.1312.5.Ti]
$789.00

GrimmSpeed Titanium EJ257 Engine Bay Bundle for VA Subaru WRX STI [GRM.1312.5.Ti]
GrimmSpeed Titanium FA20 Engine Bay Bundle for VA Subaru WRX [GRM.1311.5.Ti]
$796.00

GrimmSpeed Titanium FA20 Engine Bay Bundle for VA Subaru WRX [GRM.1311.5.Ti]
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