Collection: Subaru WRX/STI 15-21'
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SuperPro Rear Lower Control Arm Camber Bolt Kit | Subaru (TRC0011CBK)
Regular price $37.05 USDRegular priceUnit price / per$44.99 USDSale price $37.05 USDSale -
Brian Crower Spring Retainer Kit | 2002+ Subaru WRX/STi (BC0600)
Regular price From $83.58 USDRegular priceUnit price / per$96.00 USDSale price From $83.58 USDSale -
Brian Crower 36mm Exhaust Valve Single Valve | 2002 - 2014 Subaru WRX (BC3601-S-1)
Regular price $21.45 USDRegular priceUnit price / per$24.63 USDSale price $21.45 USDSale -
Brian Crower Dual Spring Titanium Retainer Kit | 2002+ Subaru EJ-Series (BC0610)
Regular price $471.86 USDRegular priceUnit price / per$542.00 USDSale price $471.86 USDSale -
Brian Crower 6mm Titanium Retainers | 2010-2014 Subaru WRX/STI (BC2300-16)
Regular price $177.60 USDRegular priceUnit price / per$204.00 USDSale price $177.60 USDSale -
ACT Mod-Twin 225 Heavy Duty Sprung Street Clutch Kit | Subaru WRX (13-23) (T1SS-S01)
Regular price $1,699.00 USDRegular priceUnit price / per$2,097.00 USDSale price $1,699.00 USDSale -
Exedy Hyper Multi Intermediate Plate | Multiple Fitments (IM02)
Regular price $116.06 USDRegular priceUnit price / per$199.48 USDSale price $116.06 USDSale -
Power Stop Z23 Evolution Sport Brake Kit - Rear | 2008-2017 Subaru STI (K5305)
Regular price $247.25 USDRegular priceUnit price / per$356.06 USDSale price $247.25 USDSale -
Perrin FMIC Hose Clamp Kit | 2015-2017 Subaru WRX (PSP-ITR-414)
Regular price $38.40 USDRegular priceUnit price / per$64.00 USDSale price $38.40 USDSale -

Perrin Weighted SS Shift Knob w/ CVT for Subaru Legacy, Outback, WRX (14-26) (PSP-INR-141-2)
Regular price $68.85 USDRegular priceUnit price / per$133.00 USDSale price $68.85 USDSale -
Perrin 2pc Radiator Shroud For Use w/ OEM Intake Scoop Black 2015-2021 WRX / 2015-2021 STI
Regular price $60.56 USDRegular priceUnit price / per$117.00 USDSale price $60.56 USDSale -

Perrin 2pc Radiator Shroud For Use w/out OEM Intake Scoop Hyper Pink 2015-2021 WRX / 2015-2021 STI
Regular price $67.55 USDRegular priceUnit price / per$145.00 USDSale price $67.55 USDSale -

Perrin 2pc Radiator Shroud For Use w/out OEM Intake Scoop Black 2015-2021 WRX / 2015-2021 STI
Regular price $60.56 USDRegular priceUnit price / per$117.00 USDSale price $60.56 USDSale -
Perrin Carbon Fiber Rear Strut Tower Bar 2015-2021 WRX / 2015-2021 STI
Regular price $173.11 USDRegular priceUnit price / per$352.00 USDSale price $173.11 USDSale -
Perrin Shifter Detent Kit 2015-2025 WRX / 2018-2023 Crosstrek
Regular price $24.33 USDRegular priceUnit price / per$47.00 USDSale price $24.33 USDSale -
Perrin Top Mount Oil Cooler Relocation Kit 2015-2024 WRX
Regular price $344.13 USDRegular priceUnit price / per$554.00 USDSale price $344.13 USDSale -
Perrin Top Mount Oil Cooler Kit Black Top Mounted 2015-2025 WRX
Regular price $730.51 USDRegular priceUnit price / per$1,176.00 USDSale price $730.51 USDSale -
Torque Solution Engine & Trans Mount Kit | Subaru WRX (02-14)/STI (04-21) (TS-SU-250.2)
Regular price $471.11 USDRegular priceUnit price / per$588.88 USDSale price $471.11 USDSale -
Torque Solution Lightweight Crank Pulley | Subaru Impreza WRX/Legacy (02-14) (TS-SU-207A)
Regular price $88.88 USDRegular priceUnit price / per$111.10 USDSale price $88.88 USDSale -
Torque Solution Solid Billet Engine Mounts | Subaru Impreza WRX/Forester/X (02-14) (TS-SU-200SB-PL)
Regular price $239.99 USDRegular priceUnit price / per$299.99 USDSale price $239.99 USDSale
Upgrade Your Subaru WRX/STI 2015-2021 with Performance Parts & Accessories
This collection is tailored specifically for Subaru WRX and STI models from 2015 to 2021, offering a range of aftermarket parts designed to enhance your car’s performance, handling, and style. Whether you want to sharpen your driving experience or customize your vehicle’s look, these components fit your WRX/STI with confidence.
Which performance upgrades make the biggest difference for WRX/STI handling?
Improving handling on your WRX/STI starts with suspension and brake upgrades that enhance control and responsiveness. Upgrading coilovers or sway bars can reduce body roll and improve cornering precision, while performance brake kits provide stronger, more consistent stopping power under aggressive driving conditions.
- Adjustable coilovers for customizable ride height and damping
- Upgraded sway bars to reduce chassis flex
- Big brake kits with larger rotors and multi-piston calipers
- High-performance brake pads for improved bite and fade resistance
How do engine and drivetrain parts boost your WRX/STI’s performance?
Aftermarket engine and drivetrain components can improve power delivery, reliability, and throttle response. Popular upgrades include enhanced intake and exhaust systems, upgraded clutches, and stronger mounts that reduce drivetrain movement. These parts work together to optimize your WRX/STI’s performance without compromising daily drivability.
What exterior and interior accessories help customize your WRX/STI?
Personalizing your Subaru WRX/STI goes beyond performance with a variety of styling and comfort upgrades. From aerodynamic aero kits and lighting enhancements to upgraded shift knobs and steering wheels, these accessories let you tailor your vehicle’s appearance and driving feel. Shop the Subaru WRX/STI 15-21 collection at WheelFlip to find parts that fit perfectly and elevate your build.










