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Save 24%
$169.00
$129.00
SKU: SUYA-ENG-SUB-SI
Save 20%
$99.00
$79.20
SKU: perPSP-ENG-150BK
Save 10%
$1,290.00
$1,161.00
Fitment: 08-21 WRX Sedan, 11-21 STI Sedan
SKU: TOMTB6090-SB02C
Save 28%
$506.40
$364.88
Fitment: 08-21 WRX/STI
SKU: koyVH091662
Save 20%
$82.00
$65.60
SKU: perPSP-ENG-700RD
Save 10%
$890.00
$801.00
SKU: TOMTB6010-SB02A
Save 20%
$333.00
$266.40
Fitment: 02-07 WRX, 04-21 STI, 04-08 FXT
SKU: perPSP-INT-401RD
Save 25%
$7.99
$5.99
SKU: vib1455
Save 10%
$295.00
$265.50
SKU: hks71008-AK005
Save 20%
$265.00
$212.00
SKU: perPSP-TAC-600RD
Save 30%
$1,020.00
$714.00
SKU: invHS08SW1DOC
$165.00
SKU: cobb422600
Save 30%
$1,020.00
$714.00
Fitment: 08-14 WRX / 08-21 STI
SKU: INVHS08SW1DOCB
$14.00
Fitment: 02-07 WRX, 04-21 STI
SKU: grm020023
Save 29%
$349.00
$249.00
SKU: PLM-SUB-UP-PIPE-EWG-44MM
Save 30%
$70.00
$49.00
SKU: invHS02SWIAPE
Save 20%
$63.00
$50.40
SKU: perPSP-ENG-161BK
Save 10%
$395.00
$355.50
SKU: hks71008-AF013
$60.00
Fitment: Subaru Turbo Models inc. 15-21 WRX/STI
SKU: grm077044
Save 10%
$348.00
$313.20
Fitment: 08-21 STI
SKU: hks71008-KF013VB
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.