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2018 Subaru WRX STI Performance Parts

Looking for aftermarket parts to modify or upgrade your 2018 Subaru WRX STI? At Tunersports.com we carry a huge selection of the top name brand performance parts and accessories for your WRX STI.

Whether you have a 2018 Subaru WRX STI in Base to Type RA trim we have you covered. From air filters to winches we have 581 available parts to mod your WRX STI, all with free shipping to the Continental US 48 States.

2018 WRX STI Parts:

Recently Added Subaru WRX STI Aftermarket Parts:

IN STOCK - LOW Thule Roof Rack Fit Kits - Fixed 183131 Thule Roof Rack Fit Kit 3131 (Fixed Point) $149.95 Details
IN STOCK Thule Evo Foot Pack 710701 Thule Evo Fixed Point Load Carrier Feet - Black $228.28 Details
IN STOCK - LOW Thule Edge Foot Pack 720701 Thule Edge Fix Point (4 Pack) - Black $313.28 Details
IN STOCK - LOW EBC Premium Rotor Sets RK2122XD EBC 18-21 Subaru WRX STi 2.5T RK Premium Drilled Front Rotors $313.29 Details
IN STOCK - LOW Mishimoto Air Filters MMAF-WRX-08 Mishimoto 08-18 Subaru WRX Reusable Drop-In Air Filter $80.69 SALE VIEW PRICE IN CART Details
IN STOCK MBRP Catback Exhaust 304 S48033BE MBRP 15-21 Subaru WRX 2.0L/STI 2.5L/ 11-14 Sed. 3in Cat-Back Single Rear Exit w/ Burnt End Tips-T304 $577.99 Details
IN STOCK - LOW MBRP Catback Exhaust 304 S4803304 MBRP 15-21 Subaru WRX 2.0L/STI 2.5L/ 11-14 Sedan 3in Cat-Back Single Rear Exit - T304 $560.99 Details
IN STOCK - LOW XCLUTCH Clutch - Stage 1 Steel Backed Organic XKSU24001-1T XClutch 15-21 Subaru WRX STi Base 2.5L Stage 1 Steel Backed Organic Clutch Kit $743.24 SALE VIEW PRICE IN CART Details
IN STOCK XCLUTCH Clutch - Stage 1 Sprung Organic XKSU24001-1A XClutch 15-21 Subaru WRX STi Base 2.5L Stage 1 Sprung Organic Clutch Kit $607.36 SALE VIEW PRICE IN CART Details
IN STOCK XCLUTCH Clutch - 9in Twin Sprung Ceramic XKSU23531-2B XClutch 15-21 Subaru WRX STi Base 2.5L 9in Twin Sprung Ceramic Clutch Kit $1,771.06 SALE VIEW PRICE IN CART Details

Popular Subaru WRX STI Aftermarket Parts:

IN STOCK Whiteline Roll Center Adj Kits KCA313 Whiteline 02-07 WRX / 04-09 STi / 05-08 LGT / 08+ WRX Hatch Front Roll-centre / bump-steer adjust ki $178.75 SALE Details
IN STOCK King Engine Bearings Performance Main Bearings MB5382XPG King Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) (Size STD) Performance Main Bearing Set $88.63 Details
IN STOCK Torque Solution Uncategorized TS-SU-585 Torque Solution Cylinder 4 Coolant Mod - Subaru EJ Engines $87.44 SALE VIEW PRICE IN CART Details
IN STOCK Whiteline Sway Bar Links KLC182 Whiteline 12+ Subaru BRZ / 12+ Scion FR-S / 12+ Toyota 86 Rear Adj X H/D Sway Bar - Link Assembly $108.39 SALE Details
IN STOCK Whiteline Control Arms - Rear KTA216A Whiteline 13+ Scion FRS/Subaru BRZ / 15+ WRX/STI Adjustable Rear Lower Control Arms (Pair) $209.22 SALE Details
IN STOCK SPC Performance Camber/Toe Bolt Adjuster 67660 SPC Performance 08-12 Subaru Impreza/ 2022+ BRZ/Toy 86 Rear Camber Arm & Toe Kit (SINGLE ARM-REQ 2) $149.96 SALE VIEW PRICE IN CART Details
IN STOCK Perrin Performance Engine Mount Kit PSP-DRV-101BK Perrin 02-11 Subaru Impreza / 02-12 WRX / 04-12 STi Pitch Stop Mount - Black $77.64 SALE Details
IN STOCK Whiteline Sway Bar Links KLC172 Whiteline 07+ Nissan Skyline R35 GT-R Front Swaybar link kit h/duty-adjustable steel ball $108.39 SALE Details
IN STOCK Whiteline Control Arms - Rear KTA139A Whiteline 2012+ Subaru BRZ / 07-22 WRX/STI Adjustable Rear Lower Control Arm $251.94 SALE Details
IN STOCK Invidia Gemini - Titanium Tips HS15STIGM4ST Invidia 2015+ Subaru WRX / STI Gemini/R400 Single Layer Quad Titanium Tip Cat-Back Exhaust $1,136.78 SALE Details