04-08 Forester XT
Radium Engineering 08-14 Subaru WRX/STI and 15+ STI Dual Catch Can Kit
Click here to download installation instructions 20-0208-02 Mounting Compatibility 02-07 Impreza WRX02-07 Impreza WRX STi04-08 Forester...
$439.95
$417.95
Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc Piston Shelf Stock Kit
Wiseco sport compact piston and ring kits give you stronger pistons and tighter tolerances than...
$576.00
Wiseco Subaru EJ20/EJ25 Turbo 130.5mm - BoostLine Connecting Rod Kit
Introducing BoostLine Connecting Rods by Wiseco Performance Products! Our engineering team created this new, patent-pending...
$640.00
Subaru OEM STi Forged Nitrate Treated Crankshaft
This crankshaft from Subaru is their latest and greatest factory EJ crankshaft. The crank is...
$381.56
Subaru OEM 2.5L Block Halves - Subaru STI
For those of you who sent a piston through the hood of your vehicle, don't...
$1,104.23
Subaru OEM 11mm Oil Pump (Subaru EJ20 / EJ25)
This is the same oil pump that came stock on the 2008 STI. This will...
$194.95
Radium Engineering Air Oil Separator (AOS-R) Kit, Subaru 02-14/2015+ STi/Saab 9-2X
High-powered modified Subaru engines tend to generate excessive blow-by oil and gasses. In these cases,...
$449.95
Manley Subaru WRX/STi Valve Spring and Retainer Kit (w/o Valve Locks) (16 each)
Manley valve springs are wound from super clean alloy. Each design minimizes stress to ensure...
$236.90
Manley Subaru WRX EJ205/STi EJ257 H Tuff Connecting Rod Set
Manley steel H-beam connecting rods are made from forged 4340 steel alloy. They're packed full...
$489.00
Manley Subaru WRX / STI (EJ205/STi EJ257) Turbo Tuff Pro Series I Beam Connecting Rod Set
Manley Pro Series I-Beam Turbo Tuff connecting rods are assembled from high-quality 4340 forged steel....
$838.80
Manley Subaru EJ20/EJ25 4340 Billet Turbo Tuff Series Crankshaft
"Race Series" cranks are now available for Mitsubishi 4G63/4G64; along with our fully machined "Turbo...
$1,625.00
Manley Performance Race Master Stainless Steel Intake Valves Subaru WRX 2002-2005 / STi 2004+
Manley valves have set the standard for excellence in quality, material and design in the...
$182.40
Manley Performance Race Master Stainless Steel Exhaust Valves Subaru WRX 2002-2005 / STi 2004+
Manley valves have set the standard for excellence in quality, material and design in the...
$182.40
Manley 04+ WRX STi (EJ257) Size (STD) Stroke (79mm) Bore (99.50mm Grade B) SINGLE Piston w/ Rings
Manley pistons are machined of high strength 2618 material. Each design is lightweight yet robust...
$157.00
King Subaru EJ20/EJ22/EJ25 (Suites 52mm Journal Size) (Size STD) Tri-Metal Perf Rod Bearing Set
What makes King Engine Bearings track tough and street smart?Our HP and XP lines are...
$58.00
King Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) (Size STD) Performance Main Bearing Set
King conducted extensive research into the unique oiling circumstances of the Subaru EJ series engines....
$98.00
K1 Technologies Subaru EJ20/25 Turbo 130.5mm H Beam Connecting Rods w/ARP2000 Bolts - Set of 4
K1 Technologies H-beam billet connecting rods offer energy transfer technology at its best! Manufactured from...
$397.23
HKS Equal Length Header / Exhaust Manifold - 04-14 Impreza WRX STI & 15+ WRX STI
The HKS Equal Length Header (Exhaust Manifold) for the Subaru EJ25 motor works on the...
$665.00
$565.25
Grimmspeed Up Pipe w/ Black Ceramic Coating All Turbo Subarus
Adding an aftermarket Up Pipe is one of the first things you should do to...
$265.00
Grimmspeed Up pipe to Turbo Gasket
An amazing 7 LAYERS! GrimmSpeed™ OEM Style Gasket, OEM quality without the high OEM price. At GrimmSpeed™...
$13.00
Grimmspeed Up Pipe All Turbo Subarus
Adding an aftermarket Up Pipe is one of the first things you should do to...
$220.00
Grimmspeed Up Pipe 44mm EWG V-Band w/ Black Ceramic Coating (IWG bracket recommended)
An External Wastegate (EWG) allows exhaust gases to be diverted prior to entering the turbo;...
$390.00
Grimmspeed Up Pipe 44mm EWG V-Band (IWG bracket recommended)
An External Wastegate (EWG) allows exhaust gases to be diverted prior to entering the turbo;...
$350.00
Grimmspeed Up Pipe 38mm EWG V-Band w/ Black Ceramic Coating (IWG bracket recommended)
An External Wastegate (EWG) allows exhaust gases to be diverted prior to entering the turbo;...
$380.00
Grimmspeed Up Pipe 38mm EWG V-Band (IWG bracket recommended)
An External Wastegate (EWG) allows exhaust gases to be diverted prior to entering the turbo;...
$340.00
Grimmspeed Up Pipe 3-Bolt Inlet w/ Black Ceramic Coating All Turbo Subarus
Adding an aftermarket Up Pipe is one of the first things you should do to...
$275.00
Grimmspeed Up Pipe 3-Bolt Inlet All Turbo Subarus
Adding an aftermarket Up Pipe is one of the first things you should do to...
$235.00
Grimmspeed Up Pipe 3-Bolt Inlet 44mm EWG V-Band w/ Black Ceramic Coating (IWG bracket recommended)
An External Wastegate (EWG) allows exhaust gases to be diverted prior to entering the turbo....
$400.00
Grimmspeed Up Pipe 3-Bolt Inlet 44mm EWG V-Band (IWG bracket recommended)
An External Wastegate (EWG) allows exhaust gases to be diverted prior to entering the turbo....
$360.00
Grimmspeed Up Pipe 3-Bolt Inlet 38mm EWG V-Band w/ Black Ceramic Coating (IWG bracket recommended)
An External Wastegate (EWG) allows exhaust gases to be diverted prior to entering the turbo....
$390.00
Grimmspeed Up Pipe 3-Bolt Inlet 38mm EWG V-Band (IWG bracket recommended)
An External Wastegate (EWG) allows exhaust gases to be diverted prior to entering the turbo....
$350.00
Grimmspeed Turbo Wastegate Bracket - VF Series Turbos
The internal wastegate(IWG) bracket is used in place of the stock wastegate actuator when moving...
$35.00
Grimmspeed Turbo to Downpipe Gasket - EJ
7 STAINLESS STEEL LAYERS GrimmSpeed OEM Style Gasket, OEM quality without the high OEM price. At...
$17.00
Grimmspeed Turbo Heat Shield w/ Black Ceramic Coating
We knew when it came time to design this product we didn't want to just...
$100.00
Grimmspeed Turbo Heat Shield
We knew when it came time to design this product we didn't want to just...
$79.00
Grimmspeed Top Mount Intercooler Silicone Coupler Kit RED - Subaru 02-04WRX/04-17STI/FXT
Is your old 90 degree TMIC coupler all chewed up from years of use? Is...
$65.00
Grimmspeed Top Mount Intercooler Silicone Coupler Kit BLACK - Subaru 02-04WRX/04-17STI/FXT
Is your old 90 degree TMIC coupler all chewed up from years of use? Is...
$65.00
Grimmspeed Top Mount Intercooler Aluminum Y-Pipe Kit RED - Subaru 02-04WRX/04-17STI/FXT
A high-quality y-pipe solution for all. Just bought an aftermarket or STI TMIC that requires...
$155.00
Grimmspeed Top Mount Intercooler Aluminum Y-Pipe Kit BLACK - Subaru 02-04WRX/04-17STI/FXT
A high-quality y-pipe solution for all. Just bought an aftermarket or STI TMIC that requires...
$155.00
Grimmspeed TGV > Engine Gasket(Pair) 02+ WRX/STI/FXT/LGT
Not much to say here. Just a set of GrimmSpeed™ TGV to engine gaskets. get...
$11.00
Grimmspeed Phenolic Thermal Spacer 8mm 02-14 WRX, 04+STI, LGT/FXT
Do you know what your intake manifold sits on?...a superheated boxer engine. If you don't...
$60.00
Grimmspeed Phenolic Thermal Spacer 3mm 02-14 WRX, 04+STI, LGT/FXT
Do you know what your intake manifold sits on?...a superheated boxer engine. If you don't...
$50.00
Grimmspeed Oil Cap "Cool Touch" Delrin Black - Subaru All EJ Engines
GrimmSpeed® brings you another innovative product, a first of its kind "Cool Touch" Delrin® Oil...
$58.00
Grimmspeed Lightweight Crank Pulley Red - Subaru All EJ Engines
n our opinion, the OEM Subaru crank pulley has been a cause for concern ever...
$125.00
Grimmspeed Lightweight Crank Pulley Blue - Subaru All EJ Engines
n our opinion, the OEM Subaru crank pulley has been a cause for concern ever...
$125.00
Grimmspeed Lightweight Crank Pulley Black - Subaru All EJ Engines
n our opinion, the OEM Subaru crank pulley has been a cause for concern ever...
$125.00
Grimmspeed Intake Manifold to TGV Gasket(Pair) 02+ WRX/STI/FXT/LGT
GrimmSpeed™ does it again! Introducting our enlarged bore Intake Manifold to TGV gaskets. Why do...
$11.00
Grimmspeed Hood Struts "High Lift" - Subaru 03-08 Forester XT
Tired of that ugly OEM hood prop blocking your view of that beautiful boxer engine?...
$132.00
