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2015-2021 WRX STI Mods

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Perrin Neon Yellow Pulley Cover 2015-2021 WRX

$183.00
$183.00 - $183.00
$183.00
$137.25
$137.25 - $137.25
$137.25

Accessorize the top of your engine and the pulleys with the PERRIN Belt Cover. Choose Red, Black, Neon Yellow, or Hyper Pink to accent your engine ...

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Perrin Hyper Pink Pulley Cover 2015-2021 WRX

$183.00
$183.00 - $183.00
$183.00
$137.25
$137.25 - $137.25
$137.25

Accessorize the top of your engine and the pulleys with the PERRIN Belt Cover. Choose Red, Black, Neon Yellow, or Hyper Pink to accent your engine ...

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Perrin Gurney Flap 2015-2021 WRX/STI

$173.00
$173.00 - $173.00
$173.00
$129.75
$129.75 - $129.75
$129.75

Add an aggressive aesthetic and, in some applications, increase downforce with the PERRIN Gurney Flap. INCREASE DOWNFORCE AND PERFORMANCE After se...

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COBB Tuning AP3 OBD2 Universal Cable

$85.00 - $85.00
$85.00
$85.00 - $85.00
$85.00

EMISSIONS This part is not an emissions-related part and therefore can be used on Emission Controlled Vehicles. DESCRIPTION Tired of your A...

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COBB Tuning Stage 1 Drivetrain Package 2015+ WRX

$190.00 - $190.00
$190.00
$190.00 - $190.00
$190.00

DESCRIPTION The Stage 1 Drivetrain Package for your 2015+ Subaru WRX includes the Shift Plate, Shifter Bushing, and Shifter Stop, and the tall weig...

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COBB Tuning Air Oil Separator 2015-2021 WRX

$610.00 - $610.00
$610.00
$610.00 - $610.00
$610.00

EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...

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COBB Tuning LF Bypass Valve 2015-2021 WRX

$405.00 - $405.00
$405.00
$405.00 - $405.00
$405.00

EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...

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COBB Tuning Turbo Blanket 2015-2021 WRX

$215.00 - $215.00
$215.00
$215.00 - $215.00
$215.00

EMISSIONS This part is not an emissions-related part and therefore can be used on Emission Controlled Vehicles. DESCRIPTION The COBB Turbo ...

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COBB Tuning Boost Control Solenoid 2015-2021 WRX

$215.00 - $215.00
$215.00
$215.00 - $215.00
$215.00

EMISSIONS This part is in the process of external testing with the EO process ongoing.NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY EMISSION CON...

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COBB Tuning 20G Turbocharger 2008-2021 STI

$1,470.00 - $1,470.00
$1,470.00
$1,470.00 - $1,470.00
$1,470.00

EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...

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COBB Tuning Accessport V3 A-Pillar Mount 2015-2021 WRX/STI

$69.98 - $69.98
$69.98
$69.98 - $69.98
$69.98

EMISSIONS This part is not an emissions-related part and therefore can be used on Emission Controlled Vehicles. DESCRIPTION The AP V3 A-Pil...

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COBB Tuning Coolant Overflow Tank 2015-2021 WRX/STI

$290.00 - $290.00
$290.00
$290.00 - $290.00
$290.00

EMISSIONS This part is not an emissions-related part and therefore can be used on Emission Controlled Vehicles. DESCRIPTION The OEM Coolant...

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COBB Tuning Radiator Shroud 2015-2021 WRX/STI

$125.00 - $125.00
$125.00
$125.00 - $125.00
$125.00

EMISSIONS This part is not an emissions-related part and therefore can be used on Emission Controlled Vehicles. DESCRIPTION This radiator s...

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COBB Tuning Charge Pipe Kit 2015-2021 WRX

$305.00 - $305.00
$305.00
$305.00 - $305.00
$305.00

EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...

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COBB Tuning Hot Pipe Kit 2015-2021 WRX

$370.00 - $370.00
$370.00
$370.00 - $370.00
$370.00

EMISSIONS This part is legal under the provisions of EPA’s Anti-Tampering Policy. COBB Tuning has established a reasonable basis (testing results...

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CSF 2-Row Aluminum Radiator 2008-2021 WRX/STI

$455.00 - $455.00
$455.00
$455.00 - $455.00
$455.00

EMISSIONS This part is not an emissions-related part and therefore can be used on Emission Controlled Vehicles. DESCRIPTION CSF uses new te...

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COBB Tuning Cold Pipe Kit 2015-2021 WRX

$480.00 - $480.00
$480.00
$480.00 - $480.00
$480.00

EMISSIONS This part is legal under the provisions of EPA’s Anti-Tampering Policy. COBB Tuning has established a reasonable basis (testing results...

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COBB Tuning Silver Top Mount Intercooler 2015-2021 WRX

$985.00 - $985.00
$985.00
$985.00 - $985.00
$985.00

EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...

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COBB Tuning Black Top Mount Intercooler 2015-2021 WRX

$985.00 - $985.00
$985.00
$985.00 - $985.00
$985.00

EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...

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COBB Tuning Silver Front Mount Intercooler Core 2015-2021 WRX/STI

$1,150.00 - $1,150.00
$1,150.00
$1,150.00 - $1,150.00
$1,150.00

EMISSIONS This part is legal under the provisions of EPA’s Anti-Tampering Policy. COBB Tuning has established a reasonable basis (testing results...

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COBB Tuning Black Front Mount Intercooler Core 2015-2021 WRX/STI

$1,150.00 - $1,150.00
$1,150.00
$1,150.00 - $1,150.00
$1,150.00

EMISSIONS This part is legal under the provisions of EPA’s Anti-Tampering Policy. COBB Tuning has established a reasonable basis (testing results...

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COBB Tuning Silver Top Mount Intercooler Kit 2015-2021 WRX

$1,205.00 - $1,205.00
$1,205.00
$1,205.00 - $1,205.00
$1,205.00

EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...

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COBB Tuning Black Top Mount Intercooler Kit 2015-2021 WRX

$1,205.00 - $1,205.00
$1,205.00
$1,205.00 - $1,205.00
$1,205.00

EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...

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COBB Tuning Redline Carbon Fiber Fuse Cover 2008-2021 WRX/STI

$205.00 - $205.00
$205.00
$205.00 - $205.00
$205.00

The COBB Redline Carbon Fiber Fuse Cover for the 2008-2021 Subaru WRX/STI is constructed of solid carbon fiber featuring a 2x2 twill weave p...

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COBB Tuning Redline Carbon Fiber Engine Cover 2015-2021 WRX

$325.00 - $325.00
$325.00
$325.00 - $325.00
$325.00

The COBB Redline Carbon Fiber Engine bay for the 2015+ Subaru WRX is constructed of solid carbon fiber featuring a 2x2 twill weave pattern. It is...

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COBB Tuning Rear Differential to Subframe Mount Bushing Kit 2008-2021 WRX/STI

$105.00 - $105.00
$105.00
$105.00 - $105.00
$105.00

Rear Differential-to-Subframe bushing kit (rear of differential) uses specially formulated Polyurethane which allows mounting of the rear diff se...

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COBB Tuning Rear Differential to Subframe Mount Bushing Inserts 2008-2021 WRX/STI

$40.00 - $40.00
$40.00
$40.00 - $40.00
$40.00

Rear Differential – Subframe Mount Insert/Supplement uses specially formulated Polyurethane which allows mounting of the rear diff securely and s...

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COBB Tuning Rear Differential Pinion Crossmember Mount Bushing 2008-2021 WRX/STI

$85.00 - $85.00
$85.00
$85.00 - $85.00
$85.00

The Rear Differential Crossmember Mount Bushing (forward alloy differential support) uses specially formulated Polyurethane which allows mounting...

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COBB Tuning Rear Sway Bar Mount Reinforcement Kit 2008-2021 WRX/STI

$155.00 - $155.00
$155.00
$155.00 - $155.00
$155.00

DESCRIPTION This powder coated brace mounts between the lower tab of the rear sway bar bushing mount and the rear inner lower control arm bo...

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COBB Tuning HD Endlink Set 2008-2021 WRX/STI

$185.00 - $185.00
$185.00
$185.00 - $185.00
$185.00

The COBB rear sway bar adjustable end link kit will improve handling by allowing your sway bar to work better. They utilize the latest in materia...

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COBB Tuning HD Adjustable Front Sway Bar Link Kit 2008-2021 WRX/STI

$205.00 - $205.00
$205.00
$205.00 - $205.00
$205.00

If you're looking for the best endlinks for the adjustable sway bar on your Subaru, look no further. The COBB heavy duty adjustable endlinks are ...

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COBB Tuning Titanium 3" Catback Exhaust 2011-2021 WRX/STI

$2,450.00 - $2,450.00
$2,450.00
$2,450.00 - $2,450.00
$2,450.00

DESCRIPTION The COBB Titanium Cat-Back Exhaust is un-matched in build quality, style, and performance. Utilizing Grade 4 titanium tubing, this ca...

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COBB Tuning Black Front Mount Intercooler Kit 2015-2021 WRX

$2,625.00 - $2,625.00
$2,625.00
$2,625.00 - $2,625.00
$2,625.00

EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...

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COBB Tuning SF Stage 1+ Power Package 2015-2021 WRX

$1,180.00 - $1,180.00
$1,180.00
$1,180.00 - $1,180.00
$1,180.00

EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...

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COBB Tuning Redline Stage 1 + Carbon Fiber Power Package 2015-2021 WRX

$1,505.00 - $1,505.00
$1,505.00
$1,505.00 - $1,505.00
$1,505.00

EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...

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COBB Tuning SF Intake System 2015-2021 WRX

$545.00 - $545.00
$545.00
$545.00 - $545.00
$545.00

EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...

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If you own a Subaru WRX STI, you know you have the perfect platform to craft a masterpiece on wheels. At WRXDaily, we understand that every enthusiast has a vision, and we’re here to offer the WRX STI mods you need to bring yours to life. With products tailored to elevate performance, enhance style, and perfect handling, our curated selection puts endless possibilities at your fingertips. 

No matter what you need, our Subaru WRX STI modifications deliver quality and reliability you can trust. From high-performance upgrades to must-have Subaru STI accessories, we have everything you need to create a car that’s as bold and unique as your passion for driving. Own a 2018 WRX? We offer a variety of 2018 WRX parts designed to fit your specific model. 

With WRXDaily, your Subaru becomes a true reflection of your style and ambition. Browse our selection of WRX STI mods today and start your next build!