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2015-2021 WRX STI Mods

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

Original price $735.00 - Original price $735.00
Original price
$735.00
$735.00 - $735.00
Current price $735.00

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

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

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 Can Flex Fuel Upgrade 2015-2017 WRX

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

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 Previous Sensor Kit to Can Flex Fuel Upgrade + Fuel Pressure Kit 2015-2017 WRX

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

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

View full details

COBB Tuning Previous Sensor Kit to Can Flex Fuel Upgrade 2015-2017 WRX

Original price $735.00 - Original price $735.00
Original price
$735.00
$735.00 - $735.00
Current price $735.00

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

View full details

COBB Tuning Can Fuel Pressure Sensor Kit 2015-2021 WRX

Original price $275.00 - Original price $275.00
Original price
$275.00
$275.00 - $275.00
Current price $275.00

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 Previous Fuel Pressure Sensor Kit to Can Fuel Pressure Sensor Kit 2015-2021 WRX

Original price $135.00 - Original price $135.00
Original price
$135.00
$135.00 - $135.00
Current price $135.00

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 Driveline Bushing Kit 2008-2021 WRX/STI

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

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 Stainless Steel Catback Exhaust 2011-2021 WRX / 2011-2021 STI

Original price $1,565.00 - Original price $1,565.00
Original price
$1,565.00
$1,565.00 - $1,565.00
Current price $1,565.00

DESCRIPTION This COBB Stainless Steel Cat-Back Exhaust is a direct bolt on for the 2011-2021 GV and VA Subaru WRX/STI Sedan. ConstructionThe enti...

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COBB Tuning Alignment Package 2015-2021 WRX/STI

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

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 Adjustable Rear Lower Control Arms 2015+ WRX / 2008-2021 STI

Original price $345.00 - Original price $345.00
Original price
$345.00
$345.00 - $345.00
Current price $345.00

DESCRIPTION The Rear Control Arm offers adjustability to dial in camber. The bushings used are also polyurethane, replacing soft factory rubber. ...

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COBB Tuning Sway Bar Package 2015-2021 STI

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

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 Stage 1 Drivetrain Package 2004-2021 STI

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

DESCRIPTION The Stage 1 Drivetrain Package Includes: Subaru 6-Speed Front Shifter Bushing; Subaru Rear Shifter Bushing; 6-Speed Double Adjustabl...

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COBB Tuning Daily Driver Suspension Package 2015-2021 STI

Original price $1,250.00 - Original price $1,250.00
Original price
$1,250.00
$1,250.00 - $1,250.00
Current price $1,250.00

DESCRIPTION Completely transform the handling and ride quality of your Subaru WRX/STI with the COBB Daily Driver Package! This include our custom...

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COBB Tuning Reverse Lockout 2004-2021 STI

Original price $125.00 - Original price $125.00
Original price
$125.00
$125.00 - $125.00
Current price $125.00

If you've owned an STI for an extended period of time, you may have noticed that the factory reverse lockout pull has developed a slight rattle. ...

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COBB Tuning Silicone Radiator Hose Kit 2015-2021 WRX

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

DESCRIPTION Upgrade the look and performance of your engine bay with the COBB Tuning Silicone Radiator Hoses. These 3-ply reinforced silicone hoses...

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COBB Tuning Front License Plate Delete 2015-2021 WRX/STI

Original price $65.00 - Original price $65.00
Original price
$65.00
$65.00 - $65.00
Current price $65.00

The COBB Tuning License Plate Delete is CNC machined out of 6061 aluminum and powder coated black for a sleek and durable finish that complements...

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COBB Tuning Shifter Bushing 2015+ WRX

Original price $40.00 - Original price $40.00
Original price
$40.00
$40.00 - $40.00
Current price $40.00

DESCRIPTION The COBB Shifter Bushing for your 2015+ Subaru WRX consists of an aluminum carrier that houses an IGUS polymer bearing. The aluminum...

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COBB Tuning SF Intake Replacement Filter 2002-2014 WRX / 2004-2021 STI

Original price $65.00 - Original price $65.00
Original price
$65.00
$65.00 - $65.00
Current price $65.00

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

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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!