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2015-2021 WRX & STI Mods

ACT Extreme Clutch Pressure Plate 2006+ WRX

Current price $564.00
$564.00 - $564.00
Current price $564.00
Original price $696.00
Original price $696.00 - Original price $696.00
Original price $696.00

DESCRIPTION The ACT Extreme Clutch Pressure Plate for 2006 and newer WRX models uses ACT’s Xtreme diaphragm design to significantly increase clamp ...

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ACT Heavy Duty Clutch Pressure Plate 2006-2018 WRX

Current price $636.00
$636.00 - $636.00
Current price $636.00
Original price $785.00
Original price $785.00 - Original price $785.00
Original price $785.00

DESCRIPTION The ACT Heavy Duty Clutch Pressure Plate for 2006-2017 WRX models features an exclusive diaphragm design to increase clamp load, reduce...

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ACT Extreme Race Rigid 4 Pad Clutch Kit 2006+ WRX

Current price $1,230.00
$1,230.00 - $1,230.00
Current price $1,230.00
Original price $1,519.00
Original price $1,519.00 - Original price $1,519.00
Original price $1,519.00

DESCRIPTION The ACT Extreme Race Rigid 4 Pad Clutch Kit for 2006+ WRX features an Xtreme pressure plate paired with a 4-pad rigid race disc for rac...

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ACT Extreme Race Sprung 4 Pad Clutch Kit 2006+ WRX

Current price $1,277.00
$1,277.00 - $1,277.00
Current price $1,277.00
Original price $1,576.00
Original price $1,576.00 - Original price $1,576.00
Original price $1,576.00

DESCRIPTION The ACT Extreme Race Sprung 4 Pad Clutch Kit for 2006+ WRX features ACT’s Xtreme pressure plate paired with a 4-pad spring-centered rac...

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ACT Heavy Duty Race Rigid 4 Pad Clutch Kit 2006+ WRX

Current price $1,180.00
$1,180.00 - $1,180.00
Current price $1,180.00
Original price $1,457.00
Original price $1,457.00 - Original price $1,457.00
Original price $1,457.00

DESCRIPTION The ACT Heavy Duty Race Rigid 4 Pad Clutch Kit for 2006+ WRX features ACT’s Heavy Duty pressure plate and a 4-pad rigid race disc desig...

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ACT Extreme Race Rigid 6 Pad Clutch Kit 2006+ WRX

Current price $1,248.00
$1,248.00 - $1,248.00
Current price $1,248.00
Original price $1,541.00
Original price $1,541.00 - Original price $1,541.00
Original price $1,541.00

DESCRIPTION The ACT Extreme Race Rigid 6 Pad Clutch Kit for 2006+ WRX models features ACT's Heavy Duty pressure plate and 4-pad spring-centered rac...

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ACT Heavy Duty Race Rigid 6 Pad Clutch Kit 2006+ WRX

Current price $1,198.00
$1,198.00 - $1,198.00
Current price $1,198.00
Original price $1,479.00
Original price $1,479.00 - Original price $1,479.00
Original price $1,479.00

DESCRIPTION This ACT Heavy Duty Race Rigid 6 Pad Clutch Kit for the 2006+ WRX pairs a Heavy Duty pressure plate with a 6-pad rigid ceramic race dis...

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ACT Extreme Performance Street Sprung Clutch Kit 2006+ WRX

Current price $1,254.00
$1,254.00 - $1,254.00
Current price $1,254.00
Original price $1,548.00
Original price $1,548.00 - Original price $1,548.00
Original price $1,548.00

DESCRIPTION This ACT Extreme Performance Street Sprung Clutch Kit for the 2006+ Subaru WRX pairs a high-clamp ACT pressure plate with a 6-pad sprun...

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ACT Extreme Performance Street Sprung Clutch Kit 2006+ WRX

Current price $1,254.00
$1,254.00 - $1,254.00
Current price $1,254.00
Original price $1,548.00
Original price $1,548.00 - Original price $1,548.00
Original price $1,548.00

DESCRIPTION This ACT Extreme Performance Street clutch kit for the 2006 and newer WRX is built for drivers who need significantly more holding powe...

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ACT Heavy Duty Performance Street Sprung Clutch Kit 2006+ WRX

Current price $1,204.00
$1,204.00 - $1,204.00
Current price $1,204.00
Original price $1,486.00
Original price $1,486.00 - Original price $1,486.00
Original price $1,486.00

DESCRIPTION This ACT Heavy Duty Performance Street clutch kit for the 2006 and newer WRX combines ACT’s most popular Heavy Duty pressure plate with...

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ACT Performance Street Sprung Clutch Disc 2004-2021 STI

Current price $209.00
$209.00 - $209.00
Current price $209.00
Original price $258.00
Original price $258.00 - Original price $258.00
Original price $258.00

DESCRIPTION The ACT Performance Street Sprung Clutch Disc is designed for 2004–2021 Subaru STI models and is ACT’s most popular performance replace...

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ACT 4 Pad Sprung Race Clutch Disc 2006+ WRX / 2004-2021 STI

Current price $203.00
$203.00 - $203.00
Current price $203.00
Original price $251.00
Original price $251.00 - Original price $251.00
Original price $251.00

ESCRIPTION The ACT 4 Pad Sprung Race Clutch Disc (part 4240518) is a direct replacement for 2006–2021 Subaru WRX and 2004–2021 Subaru STI models. B...

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ACT 6 Pad Rigid Race Clutch Disc 2006+ WRX / 2004-2021 STI

Current price $175.00
$175.00 - $175.00
Current price $175.00
Original price $216.00
Original price $216.00 - Original price $216.00
Original price $216.00

DESCRIPTION The ACT 6 Pad Rigid Race Clutch Disc is a direct replacement for worn ACT 6-puck rigid discs on 2006–2021 Subaru WRX and 2004–2021 Suba...

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ACT 6 Pad Sprung Race Clutch Disc 2004-2021 STI

Current price $237.00
$237.00 - $237.00
Current price $237.00
Original price $293.00
Original price $293.00 - Original price $293.00
Original price $293.00

DESCRIPTION The ACT 6 Pad Sprung Race Clutch Disc is a direct replacement for worn ACT 6-puck sprung discs on 2004–2021 Subaru STI models. Built wi...

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ACT Extreme Clutch Pressure Plate 2004-2021 STI

Current price $559.00
$559.00 - $559.00
Current price $559.00
Original price $690.00
Original price $690.00 - Original price $690.00
Original price $690.00

DESCRIPTION The ACT Extreme Clutch Pressure Plate is designed for 2004–2021 Subaru WRX STI models as a replacement for worn Xtreme pressure plates....

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ACT Heavy Duty Clutch Pressure Plate 2004-2021 STI

Current price $517.00
$517.00 - $517.00
Current price $517.00
Original price $638.00
Original price $638.00 - Original price $638.00
Original price $638.00

DESCRIPTION The ACT Heavy Duty Clutch Pressure Plate is designed for 2004–2021 Subaru WRX STI models as a replacement for worn ACT Heavy Duty press...

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ACT Extreme Race Rigid 4 Pad Clutch Kit 2004-2021 STI

Current price $823.00
$823.00 - $823.00
Current price $823.00
Original price $1,016.00
Original price $1,016.00 - Original price $1,016.00
Original price $1,016.00

DESCRIPTION The ACT Extreme Race Rigid 4 Pad Clutch Kit is designed for 2004–2021 Subaru WRX STI models that demand race-ready durability and high ...

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ACT Heavy Duty Race Rigid 4 Pad Clutch Kit 2004-2021 STI

Current price $781.00
$781.00 - $781.00
Current price $781.00
Original price $964.00
Original price $964.00 - Original price $964.00
Original price $964.00

DESCRIPTION The ACT Heavy Duty Race Rigid 4 Pad Clutch Kit is designed for 2004–2021 Subaru WRX STI models that need race-ready durability in small...

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ACT Mod-Twin 225 Max Extreme Sprung Race Clutch Kit 2004-2021 STI

Current price $1,925.00
$1,925.00 - $1,925.00
Current price $1,925.00
Original price $2,377.00
Original price $2,377.00 - Original price $2,377.00
Original price $2,377.00

DESCRIPTION The ACT Mod-Twin 225 Max Extreme Sprung Race Clutch Kit is engineered for 2004–2021 Subaru WRX STI models that need high torque capacit...

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ACT Mod-Twin 225 Max Extreme Rigid Race Clutch Kit 2004-2021 STI

Current price $1,878.00
$1,878.00 - $1,878.00
Current price $1,878.00
Original price $2,318.00
Original price $2,318.00 - Original price $2,318.00
Original price $2,318.00

DESCRIPTION The ACT Mod-Twin 225 Max Extreme Rigid Race Clutch Kit is engineered for 2004–2021 Subaru WRX STI models that require maximum torque ca...

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ACT Extreme Race Rigid 6 Pad Clutch Kit 2004-2021 STI

Current price $841.00
$841.00 - $841.00
Current price $841.00
Original price $1,038.00
Original price $1,038.00 - Original price $1,038.00
Original price $1,038.00

DESCRIPTION The ACT Extreme Race Rigid 6 Pad Clutch Kit is designed for 2004–2021 Subaru WRX STI models that demand extreme track performance and t...

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ACT Extreme Race Sprung 6 Pad Clutch Kit 2004-2021 STI

Current price $903.00
$903.00 - $903.00
Current price $903.00
Original price $1,115.00
Original price $1,115.00 - Original price $1,115.00
Original price $1,115.00

DESCRIPTION The ACT Extreme Race Sprung 6 Pad Clutch Kit is built for 2004–2021 Subaru WRX STI models that need extreme torque capacity with manage...

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ACT Heavy Duty Race Rigid 6 Pad Clutch Kit 2004-2021 STI

Current price $799.00
$799.00 - $799.00
Current price $799.00
Original price $986.00
Original price $986.00 - Original price $986.00
Original price $986.00

DESCRIPTION The ACT Heavy Duty Race Rigid 6 Pad Clutch Kit is built for 2004–2021 Subaru WRX STI models that demand track-ready durability and torq...

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Mishimoto Silver Transmission Cooler 2015-2021 WRX

Current price $398.95
$398.95 - $398.95
Current price $398.95
Original price $439.00
Original price $439.00 - Original price $439.00
Original price $439.00

DESCRIPTION The CVT transmission in the 2015-2021 Subaru WRX is an impressive system, providing smooth and seamless gear changes with the pull of a...

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ACT 6 Pad Rigid Race Clutch Disc 2002-2018 WRX

Current price $185.00
$185.00 - $185.00
Current price $185.00
Original price $229.00
Original price $229.00 - Original price $229.00
Original price $229.00

DESCRIPTION The ACT 6 Pad Rigid Race Clutch Disc for 2002–2018 Subaru WRX (6228018) is engineered for larger clutch sizes and high-horsepower build...

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ACT 6 Pad Sprung Race Clutch Disc 2002-2018 WRX

Current price $218.12
$218.12 - $218.12
Current price $218.12
Original price $287.00
Original price $287.00 - Original price $287.00
Original price $287.00

DESCRIPTION The ACT 6 Pad Sprung Race Clutch Disc for 2002–2017 Subaru WRX (6228218) is a spring-centered race disc designed for larger clutch size...

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ACT 4 Pad Sprung Race Clutch Disc 2002-2018 WRX

Current price $203.00
$203.00 - $203.00
Current price $203.00
Original price $250.00
Original price $250.00 - Original price $250.00
Original price $250.00

DESCRIPTION The ACT 4 Pad Sprung Race Clutch Disc for 2002–2018 Subaru WRX (4228218) is a spring-centered race disc designed for smaller engines wh...

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ACT Performance Street Sprung Clutch Disc 2002-2018 WRX

Current price $179.00
$179.00 - $179.00
Current price $179.00
Original price $221.00
Original price $221.00 - Original price $221.00
Original price $221.00

DESCRIPTION The ACT Performance Street Sprung Clutch Disc for 2002–2018 Subaru WRX is a popular upgrade for drivers seeking smooth engagement with ...

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ACT Clutch Release Bearing 2002-2005 WRX / 2004-2021 STI

Current price $96.00
$96.00 - $96.00
Current price $96.00
Original price $118.00
Original price $118.00 - Original price $118.00
Original price $118.00

DESCRIPTION The ACT Clutch Release Bearing for the 2004–2021 Subaru STI (RB601) is a high-quality, direct-fit component designed to meet or exceed ...

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COBB Tuning Shifter Bushing 2015-2026 WRX

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

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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Mishimoto Black Transmission Cooler 2015-2021 WRX

Current price $398.95
$398.95 - $398.95
Current price $398.95
Original price $439.00
Original price $439.00 - Original price $439.00
Original price $439.00

DESCRIPTION The CVT transmission in the 2015-2021 Subaru WRX is an impressive system, providing smooth and seamless gear changes with the pull of a...

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Boomba Natural Aluminum Shifter Stop 2015-2021 WRX

$41.80
$41.80 - $41.80
Current price $41.80
Original price $41.80 - Original price $41.80
Original price

This billet aluminum shifter stop is CNC machined in house at our facility in Wood Dale, IL. It's designed to drastically reduce shifter play while...

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Boomba Blue Shifter Stop 2015-2021 WRX

$41.80
$41.80 - $41.80
Current price $41.80
Original price $41.80 - Original price $41.80
Original price

This billet aluminum shifter stop is CNC machined in house at our facility in Wood Dale, IL. It's designed to drastically reduce shifter play while...

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South Bend Clutch Stage 3 Daily Clutch Kit 2006-2017 WRX

Current price $1,130.95
$1,130.95 - $1,130.95
Current price $1,130.95
Original price $1,165.93
Original price $1,165.93 - Original price $1,165.93
Original price $1,165.93

This is an excellent clutch for those of you with moderate bolt-ons as this clutch is rated to 400ft-lbs at the crank. The Stage 3 is considered to...

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South Bend Clutch Stage 3 Endurance Clutch Kit 2006-2017 WRX

Current price $1,184.91
$1,184.91 - $1,184.91
Current price $1,184.91
Original price $1,221.55
Original price $1,221.55 - Original price $1,221.55
Original price $1,221.55

Southbend Clutch Kits are considered to be one of the most comfortable high-performance clutch kits on the market due to the OEM-like feel and driv...

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South Bend Clutch Stage 2 Endurance Clutch Kit 2006-2017 WRX

Current price $1,023.01
$1,023.01 - $1,023.01
Current price $1,023.01
Original price $1,054.65
Original price $1,054.65 - Original price $1,054.65
Original price $1,054.65

The South Bend Stage 2 Endurance Clutch Kit is a clutch kit that South Bend had intended for the racing climate. The pressure plate included in thi...

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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. 

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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!