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.

Parts:

Air Filters

Air Intake Systems

Body Armor & Protection

Brakes, Rotors & Pads

Cooling

Drivetrain

Engine Components

Exhaust, Mufflers & Tips

Exterior Styling

Fabrication

Floor Mats

Forced Induction

Fuel Delivery

Ignition

Interior Accessories

Lights

Oils & Oil Filters

Programmers & Chips

Roof Racks & Truck Racks

Safety

Suspension

Uncategorized

Wheel and Tire Accessories

Winches

Recently Added Parts:

IN STOCK Air Lift Performance Rear Kits 76501 Air Lift Performance 15-21 Subaru WRX (VA) / 15-21 Subaru WRX STI (VA) Rear Air Suspension Kit $1,104.06 Details

IN STOCK Air Lift Performance Front Kits 76001 Air Lift Performance 15-21 Subaru WRX (VA) / 15-21 Subaru WRX STI (VA) Front Air Suspension Kit $1,188.76 Details

IN STOCK Air Lift Performance Rear Kits 76506 Air Lift Performance 12-25 Subaru BRZ / 12-20 Toyota GT86 Rear Air Suspension Kit $1,104.06 Details

IN STOCK - LOW aFe Pedal 2 Metal Throttle Enhancer 77-20017 aFe 2006+ Subaru Forester H4 2.5L Pedal 2 Metal Throttle Enhancer $268.00 Details

IN STOCK Go Fast Bits WGA Wastegate Actuators 7305 GFB 99-21 Subaru WRX STI WGA Wastegate Actuator (Tune Required) $209.25 Details

IN STOCK XCLUTCH Clutch - ClutchPro Organic KSU24001 XClutch 04-23 Subaru Impreza WRX STi 2.0L Standard Replacement Organic ClutchPro Clutch Kit $411.85 Details

IN STOCK - LOW Air Lift Coilover Kits 83001 Air Lift 15-21 Subaru WRX / 15-21 Subaru WRX STI Coil to Air Upgrade Kit $1,157.19 Details

IN STOCK - LOW Mishimoto Radiator Caps MMRC-13-ONWY Mishimoto High-Pressure 1.3 Bar Radiator Cap - Small - One-Way $48.62 Details

IN STOCK DeatschWerks DW430C Fuel Pumps 9-439-1008 DeatschWerks 05-09 Subaru Legacy GT / 08-14 WRX / 08-21 STI DW430C 430lph Compact Fuel Pump $219.00 Details

IN STOCK Air Lift Coilover Kits 79001 Air Lift Performance 15-21 Subaru WRX / STI Coilover Kit $1,149.99 Details

Popular Parts:

IN STOCK Brembo OE UV Coated OE Equiv Rotors 09.C828.11 Brembo 18-20 Subaru WRX STI Front Premium UV Coated OE Equivalent Rotor $118.01 Details

IN STOCK Brembo OE UV Coated OE Equiv Rotors 09.C829.11 Brembo 18-20 Subaru WRX STI Rear Premium UV Coated OE Equivalent Rotor $106.71 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) $195.44 Details

IN STOCK ACT HD-M/P Street Clutch Kits SB10-HDSS ACT 2006 Subaru Impreza HD-M/Perf Street Sprung Clutch Kit (6 SPD) $833.00 Details

IN STOCK Whiteline Control Arms - Rear KTA216A Whiteline 13+ Scion FRS/Subaru BRZ / 15+ WRX/STI Adjustable Rear Lower Control Arms (Pair) $286.30 Details

IN STOCK Turbo XS Exhaust Adapters ADA-3DP-OEMCB-1 Turbo XS Subaru 3in Downpipe to OEM Cat-Back Adapter w/Stainless Steel Exhaust Gasket $83.97 Details

IN STOCK SPC Performance Camber/Toe Bolt Adjuster 67655 SPC Performance 08-16 Subaru Impreza / 13-20 & 2022+ BRZ/Toyota 86 Rear Adjustable Toe Arm - Each $149.44 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 $145.50 Details

IN STOCK Whiteline Bushings - Steering Rack KSR207 Whiteline 05-08 Subaru Legacy GT / 08+ Subaru WRX Hatch / 08-09 Subaru STi Front H/duty steer rack $92.36 Details

IN STOCK Koyo Racing Radiators VH091662 Koyo 08-15 Subaru WRX / STI 05-09 Subaru Legacy GT 2.5L (MT / w/ Filler Neck) Radiator $393.07 Details