Optimize your Subaru STI 2008-2014 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 STI the edge on the road or track.
2008-2014 Subaru WRX STI Engine Parts
-
Up to $54 off
In StockCSF Universal Triple Pass Dual Core Radiator w/AN Fittings
Only 11 leftRegular price $525.00Sale price $525.00 Regular priceUnit price per$579.00 -
Up to $44 off
In StockCSF Universal Half Radiator w/-16AN & Slip-On Fittings/12in SPAL Fan & Shroud
Only 14 leftRegular price $685.00Sale price $685.00 Regular priceUnit price per$729.00 -
Up to $23 off
In StockAEM High Cap Universal Adjustable Fuel Pressure Regulator | 25-305BK
Only 7 leftRegular price $177.95Sale price $177.95 Regular priceUnit price per$200.95 -
Up to $21 off
In StockAEM Universal Adjustable Fuel Pressure Regulator | 25-302BK
Only 13 leftRegular price $166.95Sale price $166.95 Regular priceUnit price per$187.95 -
Up to $20 off
In StockAEM Universal -10AN High Volume Fuel Filter | 25-201BK
Only 3 leftRegular price $155.95Sale price $155.95 Regular priceUnit price per$175.95 -
Up to $38.09 off
In StockGo Fast Bits 08-14 WRX / 08-21 STI Underdrive Pulley Kit | 2014
Only 4 leftRegular price $342.81Sale price $342.81 Regular priceUnit price per$380.90 -
Verus Engineering 13-23 BRZ / 22-23 GR86 / 15-25 WRX/ 08-21 STI AOS Coolant Add On | A0070A
Regular price $90.20Sale price $90.20 Regular priceUnit price per$82.00 -
In StockHKS Turbo Timer Harness WRX/STI 2008-2014 | 41003-AF006
Only 3 leftRegular price $30.00Sale price $30.00 Regular priceUnit price per$30.00 -
HKS Premium Suction Kit WRX 2009-2014 / STI 2009-2020 | 70018-AF010
Regular price $522.00Sale price $522.00 Regular priceUnit price per$522.00 -
In StockHKS 3 Layer Dry 150mm Green Replacement Filter Element - Universal | 70001-AK021
Regular price $25.00Sale price $25.00 Regular priceUnit price per$25.00 -
HKS Legamax Premium Axle-Back Exhaust WRX 2011-2014 / STI 2008-2014 Hatchback | 31021-AF013
Regular price $1,700.00Sale price $1,700.00 Regular priceUnit price per$1,700.00 -
HKS R Type Front Mount Intercooler WRX/STI 2008-2014 | 13001-AF014
Regular price $2,898.00Sale price $2,898.00 Regular priceUnit price per$2,898.00 -
Up to $8.76 offGSC Power-Division 02-14 WRX / 04-21 STI Exhaust Valve Guides OEM Style | 3027-8
Regular price $49.65Sale price $49.65 Regular priceUnit price per$58.41 -
GSC P-D Ovate Beehive Valve Spring - Universal
Regular price $12.44Sale price $12.44 Regular priceUnit price per$0.00 -
GSC Power-Division 08-21 STI S1 Billet Camshaft Set | 7026S1
Regular price $1,058.68Sale price $1,058.68 Regular priceUnit price per$0.00 -
Up to $0.75 off
In StockRadium Engineering 9/16-18 O-Ring Port Plug - Universal
Only 5 leftRegular price $14.20Sale price $14.20 Regular priceUnit price per$14.95
