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2015-2021 WRX & STI Mods

Whiteline Grip Series 1 Suspension Kit 2015-2021 WRX

Current price $1,030.81
$1,030.81 - $1,030.81
Current price $1,030.81
Original price $1,374.40
Original price $1,374.40 - Original price $1,374.40
Original price $1,374.40

The ultimate entry level suspension upgrade! Performance, handling and comfort make up the Grip Series Stage 1 kit featuring Whiteline signature fr...

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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 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/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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Whiteline Grip Series 1 Suspension Kit 2015-2021 STI

Current price $1,030.80
$1,030.80 - $1,030.80
Current price $1,030.80
Original price $1,374.40
Original price $1,374.40 - Original price $1,374.40
Original price $1,374.40

The ultimate entry level suspension upgrade! Performance, handling and comfort make up the Grip Series Stage 1 kit featuring Whiteline signature f...

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COBB Tuning Daily Driver Suspension Package 2015-2021 STI

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

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 Competition Ready Suspension Package 2015-2021 STI

$5,325.00
$5,325.00 - $5,325.00
Current price $5,325.00
Original price $5,325.00 - Original price $5,325.00
Original price

DESCRIPTION This suspension package from Cobb is the ultimate grouping to get your suspension and ride adjustments dialed in to perfection. From br...

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Whiteline Rear Essential Vehicle Kit 2015-2021 WRX/STI

Current price $279.66
$279.66 - $279.66
Current price $279.66
Original price $372.88
Original price $372.88 - Original price $372.88
Original price $372.88

Whiteline's "Vehicle Essential Kits" contain all the essential components to 'Activate More Grip'.

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!