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2015-2021 WRX & STI Mods

COBB Tuning Delrin Oil Cap 2002-2026 WRX / 2004-2021 STI

$95.00
$95.00 - $95.00
Current price $95.00
Original price $95.00 - Original price $95.00
Original price

The COBB Delrin Oil Cap's construction of pure medical-grade black Delrin means it does not absorb heat like many aluminum options. The included ...

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COBB Tuning Shift Plate 2015-2026 WRX

$120.00
$120.00 - $120.00
Current price $120.00
Original price $120.00 - Original price $120.00
Original price

DESCRIPTION The COBB Shift Plate for your 2015+ Subaru WRX is designed to reduce overall shift throw while maintaining an OEM-like feel. Two adju...

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COBB Tuning Redline Intake Replacement Air Filter 2015-2021 WRX

$85.00
$85.00 - $85.00
Current price $85.00
Original price $85.00 - Original price $85.00
Original price

WHY? The filter element that originally came with your Redline Intake is cleanable and can be reused for the life of your car. However, should yo...

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COBB Tuning Air Oil Separator 2015-2021 WRX

$610.00
$610.00 - $610.00
Current price $610.00
Original price $610.00 - Original price $610.00
Original price

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 Stage 1+ Power Package 2019-2021 STI

Current price $1,238.00
$1,238.00 - $1,238.00
Current price $1,238.00
Original price $1,315.00
Original price $1,315.00 - Original price $1,315.00
Original price $1,315.00

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 Radiator Shroud + Alternator Cover Package 2015-2021 STI

$190.00
$190.00 - $190.00
Current price $190.00
Original price $190.00 - Original price $190.00
Original price

A quality product with easy installation! This COBB radiator shroud and alternator cover will not only dress up your engine bay but also help dir...

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COBB Tuning EJ Turbo Blanket 2002-2014 WRX / 2004-2021 STI

$195.00
$195.00 - $195.00
Current price $195.00
Original price $195.00 - Original price $195.00
Original price

The COBB Turbo Blanket is designed to limit the amount of heat that is transferred from your turbocharger to your engine bay as well as keeping h...

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COBB Tuning SF Intake System 2008-2014 WRX / 2008-2021 STI

$340.00
$340.00 - $340.00
Current price $340.00
Original price $340.00 - Original price $340.00
Original price

DESCRIPTION The COBB Tuning SF Intake removes a pre-turbo restriction in the stock intake system. The SF Intake intake system utilizes sever...

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COBB Tuning SF Intake System + Airbox 2015-2018 STI

$540.00
$540.00 - $540.00
Current price $540.00
Original price $540.00 - Original price $540.00
Original price

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 Transmission Cross Member Isolator Kit 2008-2021 WRX/STI

$60.00
$60.00 - $60.00
Current price $60.00
Original price $60.00 - Original price $60.00
Original price

Gearbox Cross Member Isolator Mount Kit consists of 4 Bushings. It will re-use the OEM crush tubes. Using this specially formulated Polyurethane ...

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COBB Tuning White 6-Speed Weighted Knob 2015-2026 WRX / 2004-2021 STI

$99.00
$99.00 - $99.00
Current price $99.00
Original price $99.00 - Original price $99.00
Original price

Description The Weighted COBB Knob is designed to keep those extended shifting sessions exhilarating. The billet stainless steel base/insert prov...

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COBB Tuning Aluminum Alternator Cover 2008-2014 WRX / 2008-2021 STI

$105.00
$105.00 - $105.00
Current price $105.00
Original price $105.00 - Original price $105.00
Original price

This alternator shroud is made from 5052-H32 Aluminum, powdercoated wrinkle black, and features a laser etched COBB logo. WHY? A quality pro...

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COBB Tuning Sway Bar Package 2015-2021 STI

$1,170.00
$1,170.00 - $1,170.00
Current price $1,170.00
Original price $1,170.00 - Original price $1,170.00
Original price

WHY? This is one of the first upgrades we recommend when it comes to suspension upgrades. Easy to install in your driveway with immediate results...

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COBB Tuning Alignment Package 2015-2021 WRX / 2015-2021 STI

$1,770.00
$1,770.00 - $1,770.00
Current price $1,770.00
Original price $1,770.00 - Original price $1,770.00
Original price

WHY? This package includes everything you would need to correct suspension geometry and alignment specs when lowering the ride height of your Sub...

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COBB Tuning Can Flex Fuel Upgrade + Fuel Pressure Kit 2015-2017 WRX

$1,280.00
$1,280.00 - $1,280.00
Current price $1,280.00
Original price $1,280.00 - Original price $1,280.00
Original price

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 Stage 1+ Drivetrain Package 2015+ WRX

$285.00
$285.00 - $285.00
Current price $285.00
Original price $285.00 - Original price $285.00
Original price

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

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COBB Tuning Hot Pipe Kit 2015-2021 WRX

$370.00
$370.00 - $370.00
Current price $370.00
Original price $370.00 - Original price $370.00
Original price

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 Cold Pipe Kit 2015-2021 WRX

$480.00
$480.00 - $480.00
Current price $480.00
Original price $480.00 - Original price $480.00
Original price

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
Current price $1,205.00
Original price $1,205.00 - Original price $1,205.00
Original price

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 EJ Turbo Blanket Black Lava 2002-2014 WRX / 2004-2021 STI

$215.00
$215.00 - $215.00
Current price $215.00
Original price $215.00 - Original price $215.00
Original price

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 Adjustable Toe Arm & Adjustable Lower Control Arm Package 2008-2021 WRX/STI

$575.00
$575.00 - $575.00
Current price $575.00
Original price $575.00 - Original price $575.00
Original price

This package includes two important components for correctly setting the rear alignment on your lowered Subaru WRX/STI. The Rear Control Arm offe...

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COBB Tuning 20G Turbocharger 2008-2021 STI

$1,470.00
$1,470.00 - $1,470.00
Current price $1,470.00
Original price $1,470.00 - Original price $1,470.00
Original price

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 White w/ Black Ring 6-Speed Knob 2015-2026 WRX / 2004-2021 STI

$99.00
$99.00 - $99.00
Current price $99.00
Original price $99.00 - Original price $99.00
Original price

DESCRIPTION The COBB Knob is designed to keep those extended shifting sessions exhilarating. The billet aluminum base is anodized in your choice ...

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COBB Tuning Driveline Bushing Kit 2008-2021 WRX/STI

$165.00
$165.00 - $165.00
Current price $165.00
Original price $165.00 - Original price $165.00
Original price

DESCRIPTION Driveline mounts/bushings are installed to provide the driver with improved feel/response from the engine, driveline, and steering comp...

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COBB Tuning Previous Sensor Kit to Can Flex Fuel Upgrade + Fuel Pressure Kit 2018-2021 WRX

$840.00
$840.00 - $840.00
Current price $840.00
Original price $840.00 - Original price $840.00
Original price

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 Can Flex Fuel Upgrade 2018-2021 WRX

$1,035.00
$1,035.00 - $1,035.00
Current price $1,035.00
Original price $1,035.00 - Original price $1,035.00
Original price

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 Redline Carbon Fiber Engine Cover 2015-2021 WRX

$325.00
$325.00 - $325.00
Current price $325.00
Original price $325.00 - Original price $325.00
Original price

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 BPV Adapter for FMIC 2002-2007 WRX / 2004-2021 STI

$85.00
$85.00 - $85.00
Current price $85.00
Original price $85.00 - Original price $85.00
Original price

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 Fuel Rails 2008-2021 STI

$300.00
$300.00 - $300.00
Current price $300.00
Original price $300.00 - Original price $300.00
Original price

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 Kit 2015-2021 STI

$2,435.00
$2,435.00 - $2,435.00
Current price $2,435.00
Original price $2,435.00 - Original price $2,435.00
Original price

DESCRIPTION Remove the overworked factory intercooler from your 2015+ STI in favor of the Black COBB Front Mount Intercooler Kit. Featuring a ...

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COBB Tuning Airbox 2015-2018 STI

$260.00
$260.00 - $260.00
Current price $260.00
Original price $260.00 - Original price $260.00
Original price

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 Intake 2015-2021 STI

$875.00
$875.00 - $875.00
Current price $875.00
Original price $875.00 - Original price $875.00
Original price

DESCRIPTION The Redline Carbon Fiber Intake seamlessly blends performance and aesthetics to bring the ultimate intake for your 2015-2021 WRX...

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

$85.00
$85.00 - $85.00
Current price $85.00
Original price $85.00 - Original price $85.00
Original price

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

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COBB Tuning HD Endlink Set 2008-2021 WRX/STI

$185.00
$185.00 - $185.00
Current price $185.00
Original price $185.00 - Original price $185.00
Original price

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 Rear Sway Bar 22mm 3-Position Adjustable 2008-2021 WRX/STI

$325.00
$325.00 - $325.00
Current price $325.00
Original price $325.00 - Original price $325.00
Original price

This COBB 22mm 3 point adjustable sway bar = more grip = better handling = outright performance - it's the best dollar for dollar handling improv...

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COBB Tuning Rear Sway Bar 24mm 3-Position Adjustable 2008-2021 WRX/STI

$330.00
$330.00 - $330.00
Current price $330.00
Original price $330.00 - Original price $330.00
Original price

This COBB 24mm 3 point adjustable sway bar = more grip = better handling = outright performance - it's the best dollar for dollar handling improv...

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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!