Collection: Subaru WRX/STI 15-21'
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ACT 6-Pad Rigid Race Clutch Kit | Subaru WRX XT (06-25) (SB12-XTR6)
Regular price $1,171.16 USDRegular priceUnit price / per$1,541.00 USDSale price $1,171.16 USDSale -
MagnaFlow OEM Grade Catalytic Converter | Subaru WRX (07-12 / 14-21) (21-232)
Regular price $385.51 USDRegular priceUnit price / per$494.00 USDSale price $385.51 USDSale -
(set of 4) Gram Lights 57DR 18x10.5 +12 5x114.3 Dark Blue Chrome
Regular price $2,766.32 USDRegular priceUnit price / per$2,911.92 USDSale price $2,766.32 USDSale -
PowerStop Front Red Calipers | 2006–2007 Subaru B9 Tribeca (S3348)
Regular price $267.24 USDRegular priceUnit price / per$384.84 USDSale price $267.24 USDSale -

SuperPro Rear Trailing Arm Front Bushing Kit | Subaru BRZ/FR-S/GR86 (13+) & WRX (15+) (SPF3817K)
Regular price $46.58 USDRegular priceUnit price / per$65.99 USDSale price $46.58 USDSale -
ACT HD/Race Rigid 4 Pad Clutch Kit | Subaru WRX (92-26) (SB12-HDR4)
Regular price $1,107.32 USDRegular priceUnit price / per$1,457.00 USDSale price $1,107.32 USDSale -
COBB Rear Shifter Bush | Subaru WRX (02-14) STI (04-21) BRZ (13-21) Legacy GT/Forester XT/Outback XT (05-09) (211330)
Regular price $55.00 USDRegular priceUnit price / per$55.00 USDSale price $55.00 USD -

ACT HD/Race 4 Pad Clutch Kit | Subaru Impreza/Legacy/Forester/Outback/B9 Tribeca (92-25) (SB12-HDG4)
Regular price $1,150.64 USDRegular priceUnit price / per$1,514.00 USDSale price $1,150.64 USDSale -
Go Fast Bits 02-10+ WRX/STI Crank Pulley | Subaru WRX / STI (02-10+)
Regular price $133.65 USDRegular priceUnit price / per$187.00 USDSale price $133.65 USDSale -
Power Stop Rear Z26 Extreme Street Brake Pads | 202018-202019 Subaru WRX STi(Z26-2118)
Regular price $66.20 USDRegular priceUnit price / per$95.33 USDSale price $66.20 USDSale -
Putco Nitro-Lux - H16 - (Pair)
Regular price $265.99 USDRegular priceUnit price / per$265.99 USDSale price $265.99 USD -
EBC Brakes S1KF1776 S1 Kits Ultimax 2/RK Rotors for 05-17 Impreza WRX STI
Regular price $350.12 USDRegular priceUnit price / per$368.55 USDSale price $350.12 USDSale -
EBC Brakes S6KR1081 S6 Kits Bluestuff & GD Rotors for 08-17 Impreza WRX STI
Regular price $446.87 USDRegular priceUnit price / per$470.39 USDSale price $446.87 USDSale -
Invidia N1 Twin Outlet SS Cat-Back Exhaust | Subaru WRX/STI Sedan (HS15STIGTP)
Regular price From $1,269.10 USDRegular priceUnit price / per$1,813.00 USDSale price From $1,269.10 USDSale -
(set of 4) Konig SSM Gloss Black | 18x9" +22mm | 5x114.3mm Wheel
Regular price $2,213.00 USDRegular priceUnit price / per$2,213.00 USDSale price $2,213.00 USD -
Gram Lights 57CR 18x9.5 +38 5x114.3 Bronze 2 (SET)
Regular price $2,280.00 USDRegular priceUnit price / per$2,400.00 USDSale price $2,280.00 USDSale -
Gram Lights 57DR 18x9.5 +38 5x114.3 Semi Gloss Black
Regular price $527.29 USDRegular priceUnit price / per$597.60 USDSale price $527.29 USDSale -
Banks Power Pedal Fits Monster Stand-Alone Throttle Controller 64325
Regular price $295.00 USDRegular priceUnit price / per$327.78 USDSale price $295.00 USDSale -
EBC Brakes S12KR1505 S12 Kits Redstuff & RK Rotors for Subaru Legacy Outback WRX
Regular price $349.45 USDRegular priceUnit price / per$367.84 USDSale price $349.45 USDSale -
EBC Brakes S20K1997 S20 Kits UltiMax & Plain Rotors for Legacy/Outback/WRX
Regular price $639.81 USDRegular priceUnit price / per$673.48 USDSale price $639.81 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.













