2015-2021 Subaru STI Engine
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Process West Black Intake Manifold Street Version 2002-2014 WRX / 2004-2021 STI
Original price $2,098.95 - Original price $2,098.95Original price$2,098.95$2,098.95 - $2,098.95Current price $2,098.95| /The Process West range billet manifolds is a no holds barred manifestation of what is possible under the hood of a WRX/STI when perfect aesthetics ...
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Perrin Red Fender Shrouds 2015-2021 WRX/STI
Original price $93.50 - Original price $93.50Original price$93.50$93.50 - $93.50Current price $93.50| /COMPLETE THE LOOK Matching Perrin's signature pulley cover design, the angled cutouts look great while concealing the factory fender gap. DESIGN P...
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COBB Tuning Redline Carbon Fiber Alternator Cover 2008-2021 STI / 2008-2014 WRX
Original price $165.00 - Original price $165.00Original price$165.00$165.00 - $165.00Current price $165.00| /The COBB Redline Carbon Fiber Alternator Cover is constructed of 2x2 twill carbon fiber sheet and finished off with a high quality clear coat tha...
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COBB Tuning 3-Port Boost Control Solenoid 2008-2014 WRX / 2008-2021 STI
Original price $170.00 - Original price $170.00Original price$170.00$170.00 - $170.00Current price $170.00| /EMISSIONS This part is legal under the provisions of EPA’s Anti-Tampering Policy. COBB Tuning has established a reasonable basis (testing results...
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COBB Tuning 4 Bar MAP Sensor Kit 2002-2007 WRX / 2004-2021 STI
Original price $215.00 - Original price $215.00Original price$215.00$215.00 - $215.00Current price $215.00| /EMISSIONS This part is in the process of external testing with the EO process ongoing. NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY EMISSION CO...
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COBB Tuning Air/Oil Separator 2008-2014 WRX / 2008-2021 STI
Original price $545.00 - Original price $545.00Original price$545.00$545.00 - $545.00Current price $545.00| /EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...
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COBB Tuning Fuel Pressure Regulator Kit 2008-2021 STI
Original price $375.00 - Original price $375.00Original price$375.00$375.00 - $375.00Current price $375.00| /EMISSIONS This part is in the process of external testing with the EO process ongoing. NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY EMISSION C...
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COBB Tuning Turbo Heatshield 2002-2007 WRX / 2004-2021 STI
Original price $90.00 - Original price $90.00Original price$90.00$90.00 - $90.00Current price $90.00| /The COBB Tuning Stainless Steel Heat Shield is an attractive direct replacement for the unsightly factory piece. This turbo heat shield can shrou...
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COBB Tuning SS 2" Uppipe 2002-2014 WRX / 2004-2021 STI
Original price $250.00 - Original price $250.00Original price$250.00$250.00 - $250.00Current price $250.00| /The COBB Tuning Uppipe is constructed of rugged, 14-gauge, 2-inch diameter stainless steel tubing to endure the intense exhaust gas temperatures ...
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COBB Tuning Silicone Turbo Inlet V2 2008-2021 STI
Original price $265.00 - Original price $265.00Original price$265.00$265.00 - $265.00Current price $265.00| /EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...
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CSF 2-Row Aluminum Radiator 2008-2021 WRX/STI
Original price $389.00 - Original price $389.00Original price$389.00$389.00 - $389.00Current price $389.00| /EMISSIONS This part is not an emissions-related part and therefore can be used on Emission Controlled Vehicles. DESCRIPTION CSF uses new te...
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Perrin Engine Mount Kit 2002-2021 WRX/STI
Original price $299.20 - Original price $299.20Original price$299.20$299.20 - $299.20Current price $299.20| /Perrin Engine Mount Kit 2002-2021 WRX/STI OVERVIEW PERRIN Engine Mounts reduce motor movements, efficiently transmit motor power and give drivers ...
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IBR Air Oil Separator 2002-2007 WRX / 2004-2021 STI
Original price $299.99 - Original price $299.99Original price$299.99$299.99 - $299.99Current price $299.99| /This kit is designed to be the best AOS on the market. It is a triple pass system with carefully designed diameters and cross...
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GrimmSpeed TGV to Engine Gasket (Pair) 2002-2014 WRX/ 2004-2021 STI
Original price $13.00 - Original price $13.00Original price$13.00$13.00 - $13.00Current price $13.00| /Set of GrimmSpeed TGV to Engine Gaskets. We recommend replacing these any time you pull your TGVs off. These come as a pair, pick up an additional ...
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IAG PTFE Flex Fuel System Kit w/ Injectors, Lines, FRP, Fuel Rails 2008-2021 STI
Original price $1,679.99 - Original price $2,529.99Original price$1,679.99 - $2,529.99$1,679.99 - $2,529.99Current price $1,679.99| /The IAG Performance PTFE Engine Bay Flex Fuel Kit for the 2008-21 Subaru STI combines our popular PTFE Flex Fuel Line kit with IAG Top Feed Fuel Ra...
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GrimmSpeed Top Mount Intercooler Splitter 2015-2021 STI
Original price $235.00 - Original price $235.00Original price$235.00$235.00 - $235.00Current price $235.00| /These have both been a long time in the making and as the popularity of GrimmSpeed intercooler offerings has skyrocketed, we've had a massive amoun...
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Injector Dynamics 1050X Fuel Injectors 2002-2014 WRX/ 2007-2021 STI
Original price $546.00 - Original price $546.00Original price$546.00$546.00 - $546.00Current price $546.00| /Here are the details: 1050Xcc Injector model Compact body Improved internal flow path increases output by 5% without sacrificing low flow performan...
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OLM V2 LE DRY Carbon Fiber Ducted Inner Fender Trim 2015-2021 WRX/STI
Original price $459.00 - Original price $459.00Original price$459.00$459.00 - $459.00Current price $459.00| /New fender shrouds from OLM! Consider these the top of the line fender vents. Unlike most carbon fiber products, they are made from dry carbon. You...
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GrimmSpeed Stealthbox Intake 2015-2021 STI
Original price $349.00 - Original price $349.00Original price$349.00$349.00 - $349.00Current price $349.00| /You've been asking for this bad sally for a while and it's finally here. The intake the for the 15+ STI can be thought of as a hybrid of the tube a...
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GrimmSpeed Front Mount Intercooler Kit 2015-2021 STI
Original price $1,559.00 - Original price $1,679.00Original price$1,559.00 - $1,679.00$1,559.00 - $1,679.00Current price $1,559.00| /Meticulous Engineering, Unparalleled Craftsmanship GrimmSpeed Intercoolers have set the gold standard of how a high performance heat exchanger shou...
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Forced Performance Black Turbocharger 2002-2007 WRX / 2004-2021 STI
Original price $1,629.00 - Original price $2,046.00Original price$1,629.00 - $2,046.00$1,629.00 - $2,046.00Current price $1,629.00| /New for 2020! All FP Black model turbos will come standard with a black coated compressor cover! FP Black HTZ Compressor wheel - 82HTZ Flow rating...
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ETS Rotated Piping Kit 2015-2021 STI
Original price $795.00 - Original price $830.00Original price$795.00 - $830.00$795.00 - $830.00Current price $795.00| /This piping kit is the best on the market for relocating the factory Subaru intercooler. The factory intercooler location allows for excessive heat...
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ETS Front Mount Intercooler 2015-2021 WRX/STI
Original price $759.00 - Original price $1,159.00Original price$759.00 - $1,159.00$759.00 - $1,159.00Current price $759.00| /Tired of heat soak? We don't blame you! It's time to upgrade to an intercooler that is designed specifically for the 2015+ WRX with performance i...
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GrimmSpeed Black Lightweight Battery Tiedown 2002+ WRX / 2004-2021 STI
Original price $39.00 - Original price $39.00Original price$39.00$39.00 - $39.00Current price $39.00| /Looking for something extra to spruce up your engine bay? Clean up that engine bay and show your GrimmSpeed pride with our newly-designed Subaru Ba...
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COBB Tuning Radiator Shroud + Alternator Cover Package 2015-2021 STI
Original price $170.00 - Original price $170.00Original price$170.00$170.00 - $170.00Current price $170.00| /A quality product with easy installation! This COBB radiator shroud and alternator cover will not only dress up your engine bay but also help dir...
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COBB Tuning Nexgen Flex Fuel Ethanol Sensor Kit 2015-2021 STI
Original price $725.00 - Original price $725.00Original price$725.00$725.00 - $725.00Current price $725.00| /EMISSIONS This part is legal under the provisions of EPA’s Anti-Tampering Policy. COBB Tuning has established a reasonable basis (testing results...
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COBB Tuning Black Front Mount Intercooler Kit 2015-2021 STI
Original price $2,225.00 - Original price $2,225.00Original price$2,225.00$2,225.00 - $2,225.00Current price $2,225.00| /EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...
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COBB Tuning Stage 1+ Redline Carbon Fiber Power Package 2015-2021 STI
Original price $1,375.00 - Original price $1,375.00Original price$1,375.00$1,375.00 - $1,375.00Current price $1,375.00| /EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ma...
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COBB Tuning Radiator Shroud 2015-2021 WRX/STI
Original price $110.00 - Original price $110.00Original price$110.00$110.00 - $110.00Current price $110.00| /EMISSIONS This part is not an emissions-related part and therefore can be used on Emission Controlled Vehicles. DESCRIPTION This radiator s...
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Perrin Red Radiator Shroud 2015-2021 WRX/STI
Original price $88.40 - Original price $127.40Original price$88.40 - $127.40$88.40 - $127.40Current price $88.40| /The PERRIN Radiator Shroud caps the top of the radiator for a sleek, clean, and accented new look. DESIGN Dress up the top of your radiator with t...
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Perrin Black Strut Tower Brace 2015-2021 WRX / STI
Original price $263.50 - Original price $263.50Original price$263.50$263.50 - $263.50Current price $263.50| /Performance During cornering, the Perrin Strut Tower Brace improves chassis rigidity, enhances steering precision under high load conditions, and r...
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GrimmSpeed Red Air Oil Separator 2002-2007 WRX / 2004-2021 STI
Original price $299.00 - Original price $299.00Original price$299.00$299.00 - $299.00Current price $299.00| /An Air/Oil Separator has one job, remove the oil from the engine ventilation system so the oil does not get sent through the intake system. The Gr...
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aFe Magnum Pro Dry S Performance Air Filter 2008-2021 WRX/ 2008-2018 STI
Original price $84.00 - Original price $84.00Original price$84.00$84.00 - $84.00Current price $84.00| /Constructed with 100% polyurethane on all four sides, this high flow, oiled OE replacement performance filter will out flow stock paper filter for ...
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Perrin Recirculating Blow Off Valve 2002-2007 WRX / 2004-2021 STI
Original price $211.65 - Original price $211.65Original price$211.65$211.65 - $211.65Current price $211.65| /Adjustable relief pressure and flow control makes fine-tuning on the fly simple and quick with the PERRIN BOV/BPV. HIGH FLOW With large 1.225" inle...
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Cusco Drive Shaft Heat Shield (Rear Left Side) 2015-2021 STI
Original price $72.00 - Original price $72.00Original price$72.00$72.00 - $72.00Current price $72.00| /Steel * Bolt on installation * Only for 6 Speed MT Protect Inner joint grease from high heat from muffler front pipe.
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Cusco Drive Shaft Heat Shield (Front Right Side) 2015-2021 STI
Original price $72.00 - Original price $72.00Original price$72.00$72.00 - $72.00Current price $72.00| /* Steel * Bolt on installation * Only for 6 Speed MT Protect Inner joint grease from high heat from muffler front pipe. 6A1 047 F