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
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Up to $5.08 off
In StockAEM Universal 12 Position Trim Pot | 30-2056
Only 11 leftRegular price $40.61Sale price $40.61 Regular priceUnit price per$45.69 -
Up to $50 off
In StockPLM Side Mount Bracket | Long Type Race Universal | SIDE-MOUNTS-LONG-RACE
Only 8 leftRegular price $75.00Sale price $75.00 Regular priceUnit price per$125.00 -
Verus Engineering 08-14 WRX / 08-21 STI Cam Solenoid Heat Shield | A0166A
Regular price $150.70Sale price $150.70 Regular priceUnit price per$137.45 -
GSC P-D Valve Seat Set OEM Replacement WRX/STI w/ EJ 205, EJ207, EJ257
Regular price $39.00Sale price $39.00 Regular priceUnit price per$39.00 -
GSC Power Division Beehive Spring & Titanium Retainer Kit WRX/STI EJ257 2004-2020 | 5043
Regular price $386.39Sale price $386.39 Regular priceUnit price per$0.00 -
Up to $2.50 offRadium Engineering Fuel Surge Tank Mtg Bracket Angled Mount - Universal
Regular price $47.45Sale price $47.45 Regular priceUnit price per$49.95 -
Up to $3 off
In StockRadium Engineering Electrical Bulkhead Stud Kit | Pack of 6 - Universal
Regular price $56.95Sale price $56.95 Regular priceUnit price per$59.95 -
Up to $1.50 off
In StockRadium Engineering Radiator Cap Type-A 1.5 Bar - Universal
Regular price $28.45Sale price $28.45 Regular priceUnit price per$29.95 -
Up to $7.25 off
In StockRadium Engineering High Flow Fuel Filter Kit w/ 10 Micron Stainless Filter - Universal
Regular price $137.70Sale price $137.70 Regular priceUnit price per$144.95 -
Up to $6 offRadium Engineering Fuel Rail In Line Pulse Damper 6AN - Universal
Regular price $113.95Sale price $113.95 Regular priceUnit price per$119.95 -
aFe Takeda Dry Filter Cleaner - Universal
Regular price $23.45Sale price $23.45 Regular priceUnit price per$23.45 -
In StockaFe Filter Cleaning Kit Power Restore Kit Squeeze Blue - Universal | 90-50501
Regular price $21.00Sale price $21.00 Regular priceUnit price per$21.00 -
Up to $158 off
In StockTomei 02-07 WRX / 04-21 STI ARMS MX7960 Turbo | TB401A-SB01B
Only 4 leftRegular price $1,422.00Sale price $1,422.00 Regular priceUnit price per$1,580.00 -
Up to $12 off
In StockTomei Fuel Pressure Regulator Type-S - Universal
Only 5 leftRegular price $108.00Sale price $108.00 Regular priceUnit price per$120.00 -
![Nameless Performance [11-14 WRX/STI Sedan] Axleback w/ Double wall 3" Polished Tips and No Muffler | SUAB11WRXSED-0MU-30SDW](//jdmuscleusa.com/cdn/shop/products/nameless-performance-muffler-delete-double-wall-polished-tips-subaru-sedan-wrx-sti-2011-2014-axle-back-exhausts-nameless-performance-nam-rspd001.jpg?v=1614535495&width=220)
Nameless Performance Axleback w/ Double wall 3" Polished Tips and No Muffler | SUAB11WRXSED-0MU-30SDW
Fits: 11-14 WRX/STI Sedan
Regular price $540.00Sale price $540.00 Regular priceUnit price per$261.45 -
Process West 02-14 WRX / 04-21 STI Engine Pulley Garnish Black | PWED02B
Regular price $78.65Sale price $78.65 Regular priceUnit price per$78.65
![Nameless Performance [11-14 WRX/STI Sedan] Axleback w/ Double wall 3" Polished Tips and No Muffler | SUAB11WRXSED-0MU-30SDW](http://jdmuscleusa.com/cdn/shop/products/nameless-performance-muffler-delete-double-wall-polished-tips-subaru-sedan-wrx-sti-2011-2014-axle-back-exhausts-nameless-performance-nam-rspd001.jpg?v=1614535495&width=220)
