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2015-2021 WRX & STI Mods

COBB Tuning Nexgen Flex Fuel Ethanol Sensor Kit 2015-2021 STI

$790.00
$790.00 - $790.00
Current price $790.00
Original price $790.00 - Original price $790.00
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+ Power Package 2015-2018 STI

Current price $1,188.00
$1,188.00 - $1,188.00
Current price $1,188.00
Original price $1,265.00
Original price $1,265.00 - Original price $1,265.00
Original price $1,265.00

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 Replacement Filter 2002-2014 WRX / 2004-2021 STI

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

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

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

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 Air/Oil Separator 2008-2014 WRX / 2008-2021 STI

$595.00
$595.00 - $595.00
Current price $595.00
Original price $595.00 - Original price $595.00
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 Fuel Pressure Regulator Kit 2008-2021 STI

$410.00
$410.00 - $410.00
Current price $410.00
Original price $410.00 - Original price $410.00
Original price

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 C...

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COBB Tuning Turbo Heatshield 2002-2007 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 Tuning Stainless Steel Heat Shield is an attractive direct replacement for the unsightly factory piece. This turbo heat shie...

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COBB Tuning SS 2" Uppipe 2006-2014 WRX / 2004-2021 STI

$275.00
$275.00 - $275.00
Current price $275.00
Original price $275.00 - Original price $275.00
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 Coolant Overflow Tank 2015-2021 WRX / 2015-2021 STI

$290.00
$290.00 - $290.00
Current price $290.00
Original price $290.00 - Original price $290.00
Original price

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

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

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 Black Top Mount Intercooler 2015-2021 WRX

$985.00
$985.00 - $985.00
Current price $985.00
Original price $985.00 - Original price $985.00
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 SF Intake + Airbox 2019-2021 STI

$575.00
$575.00 - $575.00
Current price $575.00
Original price $575.00 - Original price $575.00
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 Silicone Radiator Hoses 2008-2014 WRX / 2008-2021 STI

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

DESCRIPTION Replace your old, dried out factory radiator hoses with the COBB Tuning Silicone Radiator Hoses. Constructed of 3-ply reinforced sil...

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COBB Tuning Silicone Turbo Inlet V2 2008-2021 STI

$290.00
$290.00 - $290.00
Current price $290.00
Original price $290.00 - Original price $290.00
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 Air Filter Cleaning Kit - Clear

$25.00
$25.00 - $25.00
Current price $25.00
Original price $25.00 - Original price $25.00
Original price

Description The COBB Universal Air Filter Cleaning Kit includes everything needed to bring new life back into your COBB SF Intake filter or High ...

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COBB Tuning Silicone Radiator Hose Kit 2015-2021 WRX

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

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 Reverse Lockout 2004-2021 STI

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

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 Black 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 Redline Carbon Fiber Intake 2015-2021 WRX

$875.00
$875.00 - $875.00
Current price $875.00
Original price $875.00 - Original price $875.00
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 6-Speed Front Shifter Bushing 2004-2021 STI

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

The popular COBB Subaru 6-Speed Front Shifter Bushing is a direct replacement the soft rubber bushing found at the anchor point of your shifter a...

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COBB Tuning Fuel Rails/Line Kit Package 2008-2021 STI

$775.00
$775.00 - $775.00
Current price $775.00
Original price $775.00 - Original price $775.00
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 System Package 2008-2021 STI

$1,825.00
$1,825.00 - $1,825.00
Current price $1,825.00
Original price $1,825.00 - Original price $1,825.00
Original price

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

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

$205.00
$205.00 - $205.00
Current price $205.00
Original price $205.00 - Original price $205.00
Original price

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 Accessport V3 Sticky Mount

$10.00
$10.00 - $10.00
Current price $10.00
Original price $10.00 - Original price $10.00
Original price

There is nothing we like more to see than an AP peeking over the dash. With the universal mount, there is no reason not to run your AP in-vehicle...

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

Current price $1,428.00
$1,428.00 - $1,428.00
Current price $1,428.00
Original price $1,505.00
Original price $1,505.00 - Original price $1,505.00
Original price $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 Rear Differential to Subframe Mount Bushing Inserts 2008-2021 WRX/STI

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

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 Redline Intake Replacement Filter 2015-2021 STI

$75.00
$75.00 - $75.00
Current price $75.00
Original price $75.00 - Original price $75.00
Original price

DESCRIPTION This replacement filter can be used for the 2015-2021 STI redline carbon fiber intake. WHY? The filter element that originally...

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COBB Tuning TMIC Coupler 2008-2021 WRX

$80.00
$80.00 - $80.00
Current price $80.00
Original price $80.00 - Original price $80.00
Original price

The COBB TMIC Coupler replaces the leak-prone factory hose and looks good while doing so! Over time the factory hoses become brittle and crack. T...

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COBB Tuning Fuel Pressure Sensor Kit (5 PIN) 2015-2021 STI

$275.00
$275.00 - $275.00
Current price $275.00
Original price $275.00 - Original price $275.00
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 Front Roll Center Bump Steer Kit 2008-2021 WRX / 2008-2021 STI

$295.00
$295.00 - $295.00
Current price $295.00
Original price $295.00 - Original price $295.00
Original price

This kit has been designed to raise the roll-center geometry for those with lowered vehicles. This will improve the overall front stability under...

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COBB Tuning 2.5" 2-Bolt Exhaust Gasket

$20.00
$20.00 - $20.00
Current price $20.00
Original price $20.00 - Original price $20.00
Original price

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

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COBB Shift Knob Trim Rings 2002-2026 WRX / 2004-2021 STI

$10.00
$10.00 - $10.00
Current price $10.00
Original price $10.00 - Original price $10.00
Original price

Description Add a touch of color to your car's interior with our custom colored COBB Knob Trim Rings. Available in the following colors:Blue Gol...

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COBB Tuning License Plate Relocation Mount 2015-2026 WRX / 2015-2021 STI

$100.00
$100.00 - $100.00
Current price $100.00
Original price $100.00 - Original price $100.00
Original price

Description The COBB License Plate Mount utilizes your car's factory tow hook location as base. No drilling or cutting is required. The backing p...

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COBB Tuning Redline Carbon Fender Shrouds 2015-2021 WRX/STI

$395.00
$395.00 - $395.00
Current price $395.00
Original price $395.00 - Original price $395.00
Original price

DESCRIPTION The COBB Tuning Subaru Redline Gloss Carbon Fender Shrouds for the 2015–2021 WRX and STI bring a premium look and feel to your engine b...

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COBB Tuning Can Fuel Pressure Sensor Kit 2015-2021 WRX

$275.00
$275.00 - $275.00
Current price $275.00
Original price $275.00 - Original price $275.00
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 + Fuel Pressure Kit 2018-2021 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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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!