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2015-2021 WRX STI Mods

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BC Racing BR Series Coilover Kit 2015-2021 WRX/STI

$1,195.00 - $1,765.00
$1,195.00 - $1,765.00
$1,195.00
$1,095.00 - $1,665.00
$1,095.00 - $1,665.00
$1,095.00

BC Racing BR series coilovers are perfect for street driving and occasional road course duty. With easily accessible adjustment knobs for fine-tuni...

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Air Lift Performance 3P Full Kit 2015-2021 WRX/STI

$4,175.00 - $4,855.00
$4,175.00 - $4,855.00
$4,175.00
$3,966.25 - $4,612.25
$3,966.25 - $4,612.25
$3,966.25

Get the stance you want and the performance you need with Air Lift’s Performance air suspension kits! Every kit we offer is fully engineered to pro...

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FactionFab V2 FR-Spec Coilovers 2015-2021 WRX/STI

$1,350.00 - $1,350.00
$1,350.00
$1,350.00 - $1,350.00
$1,350.00

DESCRIPTION The Faction Fab V2 FR-Spec Coilovers are a pre-assembled coilover set that is ready to install right out of the box. These coilovers ar...

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

$359.99 - $359.99
$359.99
$359.99 - $359.99
$359.99

SuperPro has a complete replacement and repair upgrade solution for control arms.The SuperPro kit comes with arms with heavy duty ball joints, brac...

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Ohlins Road and Track Coilovers 2015-2021 WRX/STI

$2,900.00 - $2,900.00
$2,900.00
$2,900.00 - $2,900.00
$2,900.00

The Öhlins Road & Track Coil Over system is specifically designed and valved for GR, GV, and VA chassis Subaru WRX and STI. With spring rates...

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Tein Super Racing Coilovers 2015-2021 WRX/STI

$3,910.00 - $3,910.00
$3,910.00
$3,910.00 - $3,910.00
$3,910.00

Developed from actual competition, TEIN was able to create a fully adjustable damper that can be easily tuned for any track and weather conditions....

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ISC N1 V2 Coilovers 2015-2021 WRX/STI

$1,199.00 - $1,199.00
$1,199.00
$1,199.00 - $1,199.00
$1,199.00

The ISC N1 Coilover system is the optimum suspension tool for improved handling for your street, track or drift car. This product is perfect for so...

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ISC Rear Adjustable Toe Arms 2008-2021 WRX/STI

$349.00 - $349.00
$349.00
$349.00 - $349.00
$349.00

Our new ISC toe arms havebeen designed to allow the end-user to fine-tune their suspensionsettings which can be especially beneficial for those wit...

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ISC Rear Adjustable Control Arms V3 2008+ WRX / 2008-2021 STI

$475.00 - $475.00
$475.00
$475.00 - $475.00
$475.00

You asked, and we delivered! You no longer have to purchase stamped out andwelded adjustable aluminum or steel control arms from other brands. Aqua...

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ISC Rear Adjustable Control Arms V3 2008+ WRX / 2008-2021 STI

$475.00 - $475.00
$475.00
$475.00 - $475.00
$475.00

The all new ISC V3 Rear Control arm features the same great features of theoriginal, but is now 1 lb LIGHTER, and even more ascetically pleasingto ...

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FactionFab Subaru Pitch Stop Mount 2002+ WRX/STI

$120.00 - $120.00
$120.00
$120.00 - $120.00
$120.00

DESCRIPTION The Faction Fab Billet Aluminum Pitch Stop features a unique design that eliminates front to back engine movement while eliminating the...

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FactionFab V2 FL-Spec Coilovers 2015-2021 WRX/STI

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

DESCRIPTION These V2 FL-Specs are our best “all-around” coilover. They have balanced spring rates and valving to suit street and light track drivin...

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Cusco Power Brace Rear Trunk Plus 2015-2021 WRX/STI

$305.00
$305.00 - $305.00
$305.00
$259.25
$259.25 - $259.25
$259.25

* Bolt on * Not Certified by SFI / FIA 6A1 492 TP

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Cusco Rear End Brace 2015-2021 WRX/STI

$285.00
$285.00 - $285.00
$285.00
$242.25
$242.25 - $242.25
$242.25

6A1 492 RE * Connect right and left rear subframe * Can not be used with OE bumper beam

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Cusco Rear Member Brace 2015-2021 WRX/STI

$290.00
$290.00 - $290.00
$290.00
$246.50
$246.50 - $246.50
$246.50

6A1 492 RM * Connect right and left rear subframe * Direct OE replacement

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Cusco Rear Sway Bar Brace 2015-2021 STI

$245.00
$245.00 - $245.00
$245.00
$208.25
$208.25 - $208.25
$208.25

6A1 492 RL * Rigid brackets maximize a sway bar effect

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Cusco Power Brace Rear Member Side 2008-2021 WRX/STI

$245.00
$245.00 - $245.00
$245.00
$208.25
$208.25 - $208.25
$208.25

687 492 RS * Connect mounting points of Lateral link and Trailing rod

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Cusco Center Floor Power Brace 2008-2021 STI

$630.00
$630.00 - $630.00
$630.00
$535.50
$535.50 - $535.50
$535.50

692 492 C * Connect Front member, Transmission member and main frame

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Cusco Front Side Power Brace 2015-2021 STI

$290.00
$290.00 - $290.00
$290.00
$246.50
$246.50 - $246.50
$246.50

6A1 492 FS * Connect front and rear LCA mounting point

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Cusco Lower Arm Bar 2015-2021 STI

$120.00
$120.00 - $120.00
$120.00
$102.00
$102.00 - $102.00
$102.00

684 475 A * Connect both LCA mounting point

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Cusco Front Cross Member Brace 2015-2021 STI

$400.00
$400.00 - $400.00
$400.00
$340.00
$340.00 - $340.00
$340.00

* Connect front member and LCA mounting point 6A1 492 M

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Cusco Front Member Brace 2015-2021 WRX/STI

$290.00
$290.00 - $290.00
$290.00
$246.50
$246.50 - $246.50
$246.50

* Connect both front Subframe 6A1 492 FM

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Cusco Type OS Strut Bar Quick Release Lever

$60.00
$60.00 - $60.00
$60.00
$51.00
$51.00 - $51.00
$51.00

00B 540 A

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Cusco Type X Rear Cross Bar 2015-2021 WRX/STI

$295.00
$295.00 - $295.00
$295.00
$250.75
$250.75 - $250.75
$250.75

6A1 541 AX * Steel Oval shape * Cusco Blue Color * Need modify on under cover 4 points diagonal connection for maximum reinforcement

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Cusco Type OS Rear Strut Tower Bar 2015-2021 WRX/STI

$220.00
$220.00 - $220.00
$220.00
$187.00
$187.00 - $187.00
$187.00

694 541 A * Type 1 Aluminum Oval shape * Steel Blue color Bracket * Need modify on under cover Light weight aluminum oval shaft, strong & durable.

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Cusco Type OS Front Strut Power Bar 2015-2021 WRX/STI

$220.00
$220.00 - $220.00
$220.00
$187.00
$187.00 - $187.00
$187.00

6A1 540 A * Type 1 Aluminum Oval shape * Steel Blue Bracket Light weight aluminum oval shaft, strong & durable.

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Cusco Reinforced Differential Carrier 2015+ WRX / 2008-2021 STI

$185.00
$185.00 - $185.00
$185.00
$157.25
$157.25 - $157.25
$157.25

* Pre-installed heavy-duty rubber bushings * Boxed steel construction Eliminate unwanted rear differential carrier movement for maximize direct tra...

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Cusco Rear Trailing Arm Bushings 2015-2021 WRX/STI

$285.00
$285.00 - $285.00
$285.00
$242.25
$242.25 - $242.25
$242.25

692 464 NV

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Cusco Rear Lower Control Arm Bushing Kit 2015-2021 WRX/STI

$270.00
$270.00 - $270.00
$270.00
$229.50
$229.50 - $229.50
$229.50

692 464 HV

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Cusco End Link Bushing Set 2015-2021 WRX/STI

$245.00
$245.00 - $245.00
$245.00
$208.25
$208.25 - $208.25
$208.25

692 464 SV

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Cusco Front Lateral Link Bushings (Lower Arm - Body Side) 2015-2021 WRX/STI

$260.00
$260.00 - $260.00
$260.00
$221.00
$221.00 - $221.00
$221.00

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Cusco Rear Upper Control Arm Bushings (Front Side) 2015-2021 WRX/STI

$270.00
$270.00 - $270.00
$270.00
$229.50
$229.50 - $229.50
$229.50

965 464 LV

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Cusco Rear Upper Control Arm Bushings (Rear Side) 2015-2021 WRX/STI

$285.00
$285.00 - $285.00
$285.00
$242.25
$242.25 - $242.25
$242.25

965 464 IV

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Cusco Front Lower Control Arm Bushings (Rear Side) 2015-2021 WRX/STI

$640.00
$640.00 - $640.00
$640.00
$544.00
$544.00 - $544.00
$544.00

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Cusco Front Lower Control Arm Bushings (Front Side) 2015-2021 WRX/STI

$270.00
$270.00 - $270.00
$270.00
$229.50
$229.50 - $229.50
$229.50

692 464 BV

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Cusco Auto Levelizer Adjusting Rod 2015-2021 WRX/STI

$60.00
$60.00 - $60.00
$60.00
$51.00
$51.00 - $51.00
$51.00

Corrects headlight beams for lowered vehicles. * Direct factory replacement 100% bolt-on * Adjustable length via turnbuckle * Short type (73 mm ~ 9...

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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!