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Fast Shipping, Low Prices, Dependable Service. We deliver performance!
Trust our experienced, friendly staff, large warehouse, and years of service experience
to help you reach all of your performance goals!
Why Buy From OAKOS?
EVERYTHING YOU NEED TO GET POWER TO THE WHEELS ON YOUR GR STi

Kartboy
- Kartboy Exhaust Hanger (Black, 12mm), 2008-2017 WRX & STi & BRZ/FR-S - $32.00 - Free Shipping!
- Kartboy "XL" Long Exhaust Hanger (12mm), Black, 2008-2017 WRX & STi & BRZ/FR-S - $36.00 - Free Shipping!
- Kartboy Transmission Crossmember Bushings, '93-2013 Impreza (Incl. WRX & STi) - $30.00 - Free Shipping!
- Kartboy Pitch Stop Mount (Pitching Stopper), '93-2015 Impreza (Incl. WRX & STi) - $120.00 - Free Shipping!
- Kartboy Rear Shifter Stay Bushing, 2002-2014 WRX / 2004-2017 STi / BRZ & FR-S - $35.00 - Free Shipping!
- Kartboy Shifter Bushings, 2004-2017 STi - $32.00 - Free Shipping!
- Kartboy Short Throw Shifter, 2004-2017 STi - $150.00 - Free Shipping!
- Kartboy Lightweight Crank Pulley, 2002-2014 WRX & 2004-2017 STi - $85.00 - Free Shipping!
- Kartboy Battery Tie Down, 1993-2017 Impreza (Incl. WRX & STi) & BRZ - $35.00 - Free Shipping!
- Kartboy Oil Cap (Black, Delrin), 2002-2014 WRX & 2004-2017 STi - $45.00 - Free Shipping!
- More Kartboy...

Subaru (OEM)
- Subaru (OEM) Donut Gasket (Large), 2002-2014 WRX & 2004-2017 STi & BRZ - $19.60
- Subaru (OEM) Turbo to Down Pipe Gasket, 2002-2014 WRX & 2004-2017 STi - $22.50
- Subaru (OEM) Ignition Coil Pack, 2004-2012 STi & 2008-2011 WRX - $93.46
- Subaru (OEM) STi "Group N" Engine Mount (Left Hand), 2002-2014 Impreza (Incl. WRX & STi) - $140.00
- Subaru (OEM) STi "Group N" Engine Mount (Right Hand), 2002-2014 Impreza (Incl. WRX & STi) - $140.00
- Subaru (OEM) STi "Group N" Transmission Mount, 2004-2017 STi - $83.00
- Subaru (OEM) STi "Group N" Pitching Stopper, 2002-2015 Impreza (Incl. WRX & STi) - $52.50
- Subaru (OEM) Flywheel, 2004-2017 STi - $237.96
- Subaru (OEM) Clutch Fork Spring, 6 Speed, 2004-2017 STi - $6.50
- Subaru (OEM) Clutch Throwout (Release) Bearing, 2004-2017 STi - $131.13
- Subaru (OEM) Pilot Bearing, 2002-2017 WRX/STi & BRZ - $10.95
- Subaru (OEM) Oil Pump (11mm), 2008-2017 STi - $156.93
- Subaru (OEM) Oil Filter, 2002-2014 WRX & 2004-2017 STi - $8.88
- Subaru (OEM) Oil Pan, 2006-2014 STi - $109.50
- Subaru (OEM) Oil Pan, 2004-2005 STi - $119.47
- Subaru (OEM) Long Life Coolant, Universal - $22.86
- Subaru (OEM) Premixed Long Life "Super Coolant", Subaru Engines - $23.97
- Subaru (OEM) Thermostat (172 Degree), 2002-2014 WRX & 2004-2017 STi - $20.63
- Subaru (OEM) STi High Pressure Radiator Cap, 2002-2007 WRX & 2004-2014 STi - $66.95
- Subaru (OEM) STi Throttle Body Hose Coupler, 2002-2007 WRX & 2004-2014 STi - $77.36
- Subaru (OEM) O2 Sensor (Front), 2008-2014 STi - $167.96
- Subaru (OEM) Engine Overhaul Gasket Kit, 2008-2017 STi - $289.23
- Subaru (OEM) Intake Manifold to TGV Gaskets (Pair), 2002-2014 WRX & STi - $22.30
- Subaru (OEM) Crankshaft EJ257 (Induction Hardened), 2004-2017 STi - $320.51
- More Subaru (OEM)...

Company23
- Company23 Cam Lock Tool, 2002-2014 WRX & 2004-2017 STi - $44.96 - Free Shipping!
- Company23 "v2" Crank Pulley Tool, 2002-2014 WRX & 2004-2017 STi - $57.95 - Free Shipping!
- Company23 AVCS Intake Cam Sprocket Tool, 2004-2017 STi & 2006-2014 WRX - $44.96
- Company23 Dual AVCS Exhaust Cam Sprocket Tool, 2008-2017 STi - $35.96
- Company23 Crankshaft Socket Tool, 2002-2014 WRX & 2004-2017 STi - $35.96
- Company23 AVCS Pulley 5-Sided Tool, 2004-2017 STi & 2006-2014 WRX - $9.95
- Company23 Timing Belt Guide Kit, 2002-2014 WRX & 2004-2017 STi - $49.46 - Free Shipping!
- Company23 Fuel Line Disconnect Tool, 2005-2014 WRX/STi & 2013-2016 BRZ - $14.95
- Company23 Valve Spring Compressor Tool, 2002-2014 WRX & 2004-2017 STi - $76.46 - Free Shipping!
- Company23 13mm Square Socket (Rear Diff Drain/Fill Ports), 2002-2014 WRX/STi & BRZ - $13.46
- Company23 Torque Plate (EJ25), 2006-2014 WRX & 2004-2017 STi - $265.46 - Free Shipping!
- Company23 Stretch Belt Tool, 2008-2017 WRX & 2008-2017 STi - $28.95 - Free Shipping!
- Company23 Anti-Surge Boost Control Solenoid, 2008-2017 STi - $206.96 - Free Shipping!
- Company23 Standard Boost Control Solenoid, 2008-2017 STi - $71.96 - Free Shipping!
- Company23 Piston Ring Compressor (96.52mm-100.33mm), 2006-2014 WRX & 2004-2017 STi - $40.46
- Company23 Top Mount Intercooler Stud Kit, 2002-2007 WRX & 2004-2017 STi - $7.95
- More Company23...

Grimmspeed
- Grimmspeed Turbo to Down Pipe Gasket, 2002-2014 WRX & 2004-2017 STi - $16.00
- Grimmspeed Up Pipe To Turbo Gasket, 2002-2014 WRX & 2004-2017 STi - $12.00
- Grimmspeed Exhaust Manifold => Up Pipe Gasket, 2002-2014 WRX & 2004-2017 STi - $10.00
- Grimmspeed 3" 2-Bolt Gasket, Extra Thick, Universal - $21.00
- Grimmspeed 3" 2-bolt Exhaust Gasket, Universal - $17.00
- Grimmspeed Manifold to Up Pipe Gasket (2x Thick), 2002-2014 WRX & 2004-2017 STi - $20.00
- Grimmspeed Manifolds To Cross Pipe Gaskets (pair), 2002-2014 WRX & 2004-2017 STi - $15.00
- Grimmspeed 3-Bolt Up Pipe Gasket, 2002-2014 WRX & 2004-2017 STi - $19.00
- Grimmspeed OEM Down Pipe to 3" Cat-Back Adapter, 2002-2014 WRX & 2004-2017 STi - $39.00
- Grimmspeed Universal Exhaust Gasket (2.25"/2.5"), Universal - $19.00
- Grimmspeed Manifold to Cross Pipe Gaskets (2x Thick, Pair), 2002-2014 WRX & 2004-2017 STi - $24.00
- Grimmspeed Donut Gasket, 2002-2014 WRX & 2004-2017 STi & BRZ - $12.00
- Grimmspeed Up Pipe w/ Flex (Ceramic Coated), 2002-2014 WRX & 2004-2017 STi - $250.00 - Free Shipping!
- Grimmspeed Up Pipe w/ Flex, 2002-2014 WRX & 2004-2017 STi - $210.00 - Free Shipping!
- Grimmspeed EWG Up Pipe 38mm w/ dump tube, 2002-2014 WRX & 2004-2017 STi - $325.00 - Free Shipping!
- Grimmspeed EWG Up Pipe 38mm w/ Dump Tube (Coated), 2002-2014 WRX & 2004-2017 STi - $365.00 - Free Shipping!
- Grimmspeed EWG Up Pipe 44mm w/ Dump Tube, 2002-2014 WRX & 2004-2017 STi - $335.00 - Free Shipping!
- Grimmspeed Up Pipe (3-Bolt, 38mm Ext. Wastegate), 2002-2014 WRX & 2004-2017 STi - $335.00 - Free Shipping!
- Grimmspeed EWG Up Pipe w/ Dump Tube (44mm V-Band, Coated), 2002-2014 WRX & 2004-2017 STi - $375.00 - Free Shipping!
- Grimmspeed Up Pipe (3-Bolt, 44mm EWG), 2002-2014 WRX & 2004-2017 STi - $345.00 - Free Shipping!
- Grimmspeed Up Pipe (3-Bolt, Black Ceramic Coating), 2002-2014 WRX & 2004-2017 STi - $260.00 - Free Shipping!
- Grimmspeed Up Pipe (3-Bolt, 38mm EWG, Black Ceramic), 2002-2014 WRX & 2004-2017 STi - $375.00 - Free Shipping!
- Grimmspeed Up Pipe (3-Bolt, 44mm EWG, Black Ceramic), 2002-2014 WRX & 2004-2017 STi - $385.00 - Free Shipping!
- Grimmspeed 3" Down Pipe to OEM Midpipe Adapter Kit, 2002-2014 WRX & 2004-2017 STi - $39.00
- Grimmspeed Down Pipe (w/ Cat), 2008-2014 WRX & 2008-2017 STi - $545.00 - Free Shipping!
- Grimmspeed Limited Down Pipe (w/ Cat, Black Ceramic), 2008-2014 WRX & 2008-2017 STi - $745.00 - Free Shipping!
- Grimmspeed Down Pipe (w/ Cat, Black Ceramic), 2008-2014 WRX & 2008-2017 STi - $695.00 - Free Shipping!
- Grimmspeed Limited Down Pipe (w/ Cat), 2008-2014 WRX & 2008-2017 STi - $595.00 - Free Shipping!
- Grimmspeed Exh Manifold Crosspipe (Coated), 2002-2005 WRX, 2008-2014 WRX & 2004-2017 STi - $250.00 - Free Shipping!
- Grimmspeed Exhaust Manifold Crosspipe, 2002-2005 WRX, 2008-2014 WRX & 2004-2017 STi - $210.00 - Free Shipping!
- Grimmspeed Lightweight Crank Pulley (Red), 2002-2014 WRX & 2004-2017 STi - $125.00 - Free Shipping!
- Grimmspeed Lightweight Crank Pulley (Black), 2002-2014 WRX & 2004-2017 STi - $125.00 - Free Shipping!
- Grimmspeed Lightweight Crank Pulley (Blue), 2002-2014 WRX & 2004-2017 STi - $125.00 - Free Shipping!
- Grimmspeed Radiator Shroud w/ Tool Tray (Red), 2008-2014 WRX & STi - $75.00 - Free Shipping!
- Grimmspeed Radiator Shroud w/ Tool Tray (Silver), 2008-2014 WRX & STi - $75.00 - Free Shipping!
- Grimmspeed Radiator Shroud w/ Tool Tray (Black), 2008-2014 WRX & STi - $75.00 - Free Shipping!
- Grimmspeed Top Mount Intercooler Silicone Coupler Kit (Black), 2002-2007 WRX & 2004-2017 STi - $65.00 - Free Shipping!
- Grimmspeed Top Mount Intercooler Silicone Coupler Kit (Red), 2002-2007 WRX & 2004-2017 STi - $65.00 - Free Shipping!
- Grimmspeed Cold Air Intake (Red), 2008-2014 WRX & STi - $295.00 - Free Shipping!
- Grimmspeed Cold Air Intake (Black), 2008-2014 WRX & STi - $295.00 - Free Shipping!
- Grimmspeed Intake Manifold Phenolic Spacers (8mm w/ HW, Pair), 2002-2014 WRX & 2004-2017 STi - $85.00 - Free Shipping!
- Grimmspeed Intake Manifold Phenolic Spacers (3mm, Pair), 2002-2014 WRX & 2004-2017 STi - $65.00 - Free Shipping!
- Grimmspeed Exhaust Manifold Gaskets (Pair), 2002-2014 WRX & 2004-2017 STi - $17.00
- Grimmspeed Top Mount Intercooler BOV Gasket, 2002-2007 WRX & 2004-2017 STi - $10.00
- Grimmspeed Top Mount Intercooler Y-Pipe Gaskets (Pair), 2002-2007 WRX & 2004-2017 STi - $12.00
- Grimmspeed TGV to Head Gasket (Pair), 2002-2014 WRX & 2004-2017 STi - $10.00
- Grimmspeed Throttle Body Gasket, 2006-2014 WRX & 2004-2017 STi - $7.00
- Grimmspeed Intake Manifold to TGV Gasket (Pair), 2002-2014 WRX & 2004-2017 STi - $10.00
- Grimmspeed 3-Port Electronic Boost Control Solenoid (ECBS), 2008-2017 STi - $110.00 - Free Shipping!
- Grimmspeed Manual Boost Controller (Blue), Universal - $95.00 - Free Shipping!
- Grimmspeed Manual Boost Controller (Black), Universal - $95.00 - Free Shipping!
- Grimmspeed Manual Boost Controller (Red), Universal - $95.00 - Free Shipping!
- Grimmspeed Turbo Heat Shield, 2002-2014 WRX & STi - $75.00 - Free Shipping!
- Grimmspeed Turbo Heat Shield w/ Black Ceramic Coating, 2002-2014 WRX & STi - $95.00 - Free Shipping!
- Grimmspeed Turbo Wastegate Bracket For VF Series Turbo, 2002-2014 WRX & 2004-2017 STi - $29.00
- Grimmspeed V-Band 44mm External Wastegate Block-Off Plate, Universal - $60.00
- Grimmspeed V-Band 38mm External Wastegate Block-Off Plate, Universal - $60.00
- Grimmspeed Air / Oil Separator (Red), 2002-2007 WRX & 2004-2017 STi - $295.00 - Free Shipping!
- Grimmspeed Air / Oil Separator (Black), 2002-2007 WRX & 2004-2017 STi - $295.00 - Free Shipping!
- Grimmspeed Air / Oil Separator (Blue), 2002-2007 WRX & 2004-2017 STi - $295.00 - Free Shipping!
- Grimmspeed "Boxer" Style Aluminum Battery Tie Down (Silver), Subaru (All) - $55.00
- Grimmspeed Alternator Cover (Black), 2002-2014 WRX & 2004-2017 STi - $85.00 - Free Shipping!
- Grimmspeed Alternator Cover (Red), 2002-2014 WRX & 2004-2017 STi - $85.00 - Free Shipping!
- Grimmspeed Delrin "Cool Touch" Oil Cap, 2002-2014 WRX & 2004-2017 STi - $55.00 - Free Shipping!
- Grimmspeed Top Mount Intercooler Kit, 2002-2007 WRX & 2004-2017 STi - $650.00 - Free Shipping!
- Grimmspeed Top Mount Intercooler Kit (Black), 2002-2007 WRX & 2004-2017 STi - $750.00 - Free Shipping!
- Grimmspeed Top Mount Intercooler (TMIC) Splitter, 2008-2014 WRX & STi - $195.00 - Free Shipping!
- Grimmspeed Top Mount Intercooler Y-Pipe Kit (Red), 2002-2004 WRX & 2004-2017 STi - $150.00 - Free Shipping!
- Grimmspeed Top Mount Intercooler Y-Pipe Kit (Black), 2002-2004 WRX & 2004-2017 STi - $150.00 - Free Shipping!
- More Grimmspeed...

NGK
- NGK Iridium IX Spark Plugs (Stock Heat Range, Set/4), 2004-2017 STi & 2006-2014 WRX - $36.00 - Free Shipping!
- NGK Iridium IX Spark Plugs (1 Heat Range Colder, Set/4), 2004-2017 STi & 2006-2014 WRX - $40.00 - Free Shipping!
- More NGK...
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