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$3,999.99
SKU IAGIAG-ENG-S550
15%
$135.00
$114.75
SKU perPSP-ENG-100RD
6%
$249.94
$234.95
SKU TBSTS-0203-1015
15%
$45.00
$38.25
Fitment: 02-07 WRX / 04-11 STI
SKU perS-PSP-INT-401
$1,299.95
SKU amsAMS.31.08.0001-1
15%
$135.00
$114.75
SKU perPSP-ENG-100BL
10%
$1,070.00
$963.00
SKU hks3112-EX005
10%
$630.00
$567.00
SKU hks3106-EX008
5%
$79.95
$75.95
SKU rad17-0031
5%
$399.95
$379.95
SKU rad20-0608
5%
$17.95
$17.05
SKU rad13-0008
29%
$816.67
$583.34
SKU SNO-210
$21.04
SKU gatK050344
15%
$135.00
$114.75
SKU perPSP-ENG-100BK
6%
$111.10
$103.88
SKU tqsTS-SU-011
Optimize your Subaru STI 2004-2007 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.