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Vehicle Set: Click here to shop All Subaru WRX STI parts.

Subaru WRX STI Performance Parts

Looking for aftermarket parts to modify or upgrade your 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 2015 or 2021 Subaru WRX STI in Base to Type RA trim we have you covered. From air filters to winches we have 1,036 available parts to mod your WRX STI, all with free shipping to the Continental US 48 States.

All WRX STI Parts:

Recently Added Subaru WRX STI Aftermarket Parts:

Thule Roof Rack Fit Kits - Fixed 183131
IN STOCK - LOW
Thule Roof Rack Fit Kits - Fixed 183131
Thule Roof Rack Fit Kit 3131 (Fixed Point)
$149.95
Thule Evo Foot Pack 710701
IN STOCK
Thule Evo Foot Pack 710701
Thule Evo Fixed Point Load Carrier Feet - Black
$228.28
Thule Edge Foot Pack 720701
IN STOCK - LOW
Thule Edge Foot Pack 720701
Thule Edge Fix Point (4 Pack) - Black
$313.28
EBC Premium Rotor Sets RK2122XD
IN STOCK - LOW
EBC Premium Rotor Sets RK2122XD
EBC 18-21 Subaru WRX STi 2.5T RK Premium Drilled Front Rotors
$313.29
Mishimoto Air Filters MMAF-WRX-08
IN STOCK - LOW
Mishimoto Air Filters MMAF-WRX-08
Mishimoto 08-18 Subaru WRX Reusable Drop-In Air Filter
$80.69 SALE
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Diode Dynamics LED Light Pods DD6177
IN STOCK - LOW
Diode Dynamics LED Light Pods DD6177
Diode Dynamics SS3 Sport Type A Kit - White SAE Fog
$279.95 SALE
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Diode Dynamics LED Light Pods DD6181
IN STOCK - LOW
Diode Dynamics LED Light Pods DD6181
Diode Dynamics SS3 Pro Type A Kit - White SAE Fog
$379.95 SALE
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Diode Dynamics LED Light Pods DD6179
IN STOCK
Diode Dynamics LED Light Pods DD6179
Diode Dynamics SS3 Sport Type A Kit - Yellow SAE Fog
$279.95 SALE
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Diode Dynamics LED Light Pods DD6684
IN STOCK - LOW
Diode Dynamics LED Light Pods DD6684
Diode Dynamics SS3 LED Pod Max Type A Kit - White SAE Fog
$579.95 SALE
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Diode Dynamics LED Light Pods DD6685
IN STOCK - LOW
Diode Dynamics LED Light Pods DD6685
Diode Dynamics SS3 LED Pod Max Type A Kit - Yellow SAE Fog
$579.95 SALE
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Popular Subaru WRX STI Aftermarket Parts:

Whiteline Roll Center Adj Kits KCA313
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
King Engine Bearings Performance Main Bearings MB5382XPG
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
Torque Solution Uncategorized TS-SU-585
IN STOCK
Torque Solution Uncategorized TS-SU-585
Torque Solution Cylinder 4 Coolant Mod - Subaru EJ Engines
$87.44 SALE
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Whiteline Sway Bar Links KLC182
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
Whiteline Control Arms - Rear KTA216A
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
SPC Performance Camber/Toe Bolt Adjuster 67660
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
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Perrin Performance Engine Mount Kit PSP-DRV-101BK
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
Turbo XS Cat Pipes W15-FPC
IN STOCK
Turbo XS Cat Pipes W15-FPC
Turbo XS 2015 Subaru WRX M/T Catted Front Pipe
$586.98 SALE
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Whiteline Sway Bar Links KLC172
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
DBA 4000 Series Slotted Rotors 4654S-10
IN STOCK
DBA 4000 Series Slotted Rotors 4654S-10
DBA 04-12 Subaru STi/2017 BRZ w/Perf. Pkg. 10 Stud Hole Front Slotted 4000 Series Rotor
$215.42 SALE
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