Collection: Subaru WRX/STI 15-21'
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Eibach Sway Bar Kit | 2015-2021 Subaru WRX (7727.320)
Regular price $568.00 USDRegular priceUnit price / per$631.11 USDSale price $568.00 USDSale -
Eibach Performance Rear Sway Bar | 2015-2021 Subaru WRX (7717.312)
Regular price $232.26 USDRegular priceUnit price / per$299.13 USDSale price $232.26 USDSale -
Eibach Pro-Plus Kit | 2015-2021 Subaru WRX (7727.880)
Regular price $963.00 USDRegular priceUnit price / per$1,070.00 USDSale price $963.00 USDSale -
Exedy Hyper Single Clutch and Flywheel Kit | 2004-2015 Subaru WRX STI (FH02SD1)
Regular price $1,156.58 USDRegular priceUnit price / per$1,590.33 USDSale price $1,156.58 USDSale -
Cusco Lower Arm Bar Ver. 1 Front | Subaru Legacy Wagon BP5 (15-21) (684 475 A)
Regular price $96.00 USDRegular priceUnit price / per$120.00 USDSale price $96.00 USDSale -
Corsa Sport Catback Exhaust Black Quad 3.5" Tips | 2015-2021 Subaru WRX/STI (14857BLK)
Regular price $2,016.94 USDRegular priceUnit price / per$2,357.30 USDSale price $2,016.94 USDSale -
Cusco Oil Catch Can | Subaru WRX STI (15-21) (6A1 009 A)
Regular price $140.00 USDRegular priceUnit price / per$175.00 USDSale price $140.00 USDSale -
Clutch Masters FX350 Clutch Kit | 2015-2017 Subaru WRX (15020-HDFF)
Regular price $600.00 USDRegular priceUnit price / per$750.00 USDSale price $600.00 USDSale -
2015-2017 Subaru WRX FX300 Clutch Kit by Clutch Masters (15020-HDTZ)
Regular price $660.00 USDRegular priceUnit price / per$825.00 USDSale price $660.00 USDSale -
2015-2017 Subaru WRX FX400 6-Puck Clutch Kit by Clutch Masters (15020-HDC6)
Regular price $570.00 USDRegular priceUnit price / per$750.00 USDSale price $570.00 USDSale -
Clutch Masters FX400 8-Puck Clutch Kit | 2015-2017 Subaru WRX (15020-HDCL)
Regular price $600.00 USDRegular priceUnit price / per$750.00 USDSale price $600.00 USDSale -
Clutch Masters Steel Flywheel | 2006-2017 Subaru WRX (FW-021-SF)
Regular price $432.35 USDRegular priceUnit price / per$525.00 USDSale price $432.35 USDSale -
SuperPro SPF Rear Upper Control Arm Inner Bushing | 2015+ Subaru WRX/STI and 12-21 BRZ (SPF3100K)
Regular price $141.16 USDRegular priceUnit price / per$199.99 USDSale price $141.16 USDSale -
Cusco Adjustable Rear Toe Arms | Subaru WRX/STI (15-21) (6A1 474 LA)
Regular price $560.00 USDRegular priceUnit price / per$700.00 USDSale price $560.00 USDSale -
HKS Hi-Power Exhaust Muffler | Subaru WRX/STI (15-21) (31006-BF001)
Regular price $1,430.59 USDRegular priceUnit price / per$1,900.00 USDSale price $1,430.59 USDSale -
Cusco Brake Master Cylinder Brace | 2015-2021 Subaru WRX/STI (6A1 561 ALHD)
Regular price $112.00 USDRegular priceUnit price / per$140.00 USDSale price $112.00 USDSale -
2015-2021 Subaru WRX/STI Pitch Stop Mount by Kartboy
Regular price $94.71 USDRegular priceUnit price / per$115.00 USDSale price $94.71 USDSale -
2015-2021 Subaru WRX/STI Pro-Kit Performance Springs Front: 0.8/Rear: 0.8 by Eibach (7728.140)
Regular price $395.00 USDRegular priceUnit price / per$438.89 USDSale price $395.00 USDSale -
SuperPro SPF Adjustable Camber Lower Control Arm Inner Bushing | 2015+ Subaru WRX/STI (SPF3107K)
Regular price $76.93 USDRegular priceUnit price / per$108.99 USDSale price $76.93 USDSale -

Cusco Rear Strut Tower Brace Type OS | Subaru WRX/STI, Impreza GP7/GJ7, XV (15-21/11+) (694 541 A)
Regular price $176.00 USDRegular priceUnit price / per$220.00 USDSale price $176.00 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.








