Optimize your Subaru WRX 2002-2005 engine's performance with a comprehensive range of top-quality aftermarket parts from industry-leading brands. Elevate the power and efficiency of your vehicle with ETS, HKS, Perrin, Mishimoto, AMS, Grimmspeed, Cobb, Remark, PLM, Turbosmart, IAG Performance, and more. Enhance airflow and filtration through air intake ducts and cold air intakes, while maintaining engine cleanliness with air oil separators and catch cans. Experience impeccable control and responsiveness with blow off valves and boost control solenoid covers, complemented by the reliability of engine mounts and meticulously crafted engine management harnesses. Simplify maintenance and improve overall performance with dipsticks and explore comprehensive engine package deals for a holistic approach to upgrading your Subaru WRX's engine. Unleash the full potential of your vehicle through precision-engineered components designed to deliver both power and durability, all meticulously designed to give your Subaru WRX the edge on the road or track.
Subaru WRX 2002-2005 Engine Parts
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In StockGrimmSpeed Version 2 Turbo Heat Shield
Fits: 02-14 WRX, 04-21 STI, 05-12 LGT, 04-13 FXT
Only 6 leftRegular price From $110.00Sale price From $110.00 Regular priceUnit price per$110.00 -
GrimmSpeed 3in Downpipe to Stock Cat-Back Adapter | 077044
Fits: Subaru Turbo Models inc. 15-21 WRX/STI
Regular price $90.00Sale price $90.00 Regular priceUnit price per$90.00 -
Grimmspeed Top Mount Intercooler Silicone Coupler Kit Black
Fits: 02-14 WRX / 04-21 STI
Regular price $135.00Sale price $135.00 Regular priceUnit price per$135.00 -
Up to $89 off
In StockTomei 08-14 WRX / 04-21 STI Equal Length Exhaust Manifold | TB6010-SB02B
Only 5 leftRegular price $801.00Sale price $801.00 Regular priceUnit price per$890.00 -
Up to $20.50 off
In StockPerrin Stiffi Battery Tie Down Black Subaru Models
Regular price $61.50Sale price $61.50 Regular priceUnit price per$82.00 -
Up to $85.22 off
In StockFluidampr Balanced Damper
Fits: 02-14 WRX, 04-21 STI
Regular price $482.92Sale price $482.92 Regular priceUnit price per$568.14 -
Up to $487.20 off
In StockInvidia N1 Racing Titanium Tip Cat Back Exhaust WRX/STI 2002-2007 | HS02SW1GRT
Only 7 leftRegular price $903.00Sale price $903.00 Regular priceUnit price per$1,390.20 -
In StockCOBB SF Intake Replacement Intake Filter | 712101 - For 712100,715100,724100
Fits: Subaru Models
Regular price $73.00Sale price $73.00 Regular priceUnit price per$73.00 -
In StockWalbro 255LPH Fuel Pump + Kit
Fits: 02-07 WRX, 04-07 STI
Regular price $109.00Sale price $109.00 Regular priceUnit price per$0.00 -
In StockHKS 1.1 Bar Limited Edition Radiator Cap
Fits: 02-26 WRX/STI, 13-21 BRZ/FRS/86
Regular price $41.00Sale price $41.00 Regular priceUnit price per$41.00 -
Up to $54 offPLM Power Driven Up Pipe | PLM-SUB-UP-PIPE-IWG
Fits: 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT, 05-09 OBXT
Regular price $195.00Sale price $195.00 Regular priceUnit price per$249.00 -
Up to $110 offPLM 02-14 WRX/ 04-21 STI Power Driven EWG 2-Bolt Up Pipe with Dump Tube 38mm | Also fits Baja Turbo 2004-2006 / Forester XT 2004-2013 / Legacy GT 2005-2009 / Turbo 1991-1994 / Outback XT 2005-2009 | PLM-SUB-UP-PIPE-EWG-38MM
Regular price $339.00Sale price $339.00 Regular priceUnit price per$449.00 -
Up to $10.25 offPerrin Throttle Body Hose Red
Fits: 02-07 WRX, 04-21 STI
Regular price $30.75Sale price $30.75 Regular priceUnit price per$41.00 -
Up to $22 off
In StockPerrin Oil Fill Cap
Fits: 02-25 WRX, 04-21 STI, 13-25 BRZ/FRS/86
Regular price From $61.50Sale price From $61.50 Regular priceUnit price per$82.00 -
Up to $35.65 off
In StockGo Fast Bits TMS Respons Hybrid Blow Off Valve | T9003
Fits: 02-07 WRX, 04-21 STI
Regular price $320.85Sale price $320.85 Regular priceUnit price per$356.50 -
Up to $19 off
In StockTomei Silicone Turbo Inlet Hose - Black | TB301A-SB01B
Fits: 02-07 WRX, 04-21 STI, 04-08 FXT
Only 5 leftRegular price $171.00Sale price $171.00 Regular priceUnit price per$190.00