Shop All Subaru STI Parts
Paragon Accessport Vent Mount - 15-21' WRX/STi and 14-18' SJ
Regular price from $119.00
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3 colors
Airblades 2.0 Radiator Shrouds 2015-2021 WRX / 2014-2018 Forester
$199.00
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5 color optionss
Dynamic Forged Carbon Shift Knob - Height Adjustable M12x1.25mm
$169.00
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2 color optionss
Red Forged Carbon Shift Knob - Height Adjustable M12x1.25mm
$169.00
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3 color optionss
Limited Edition Height Adjustable Forged Weighted Carbon Shift Knob - Titanium Finish
$189.00
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Engine Dress-up Clips for 15-21' WRX/STI (25 pc Complete Kit)
$110.00
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3 color optionss
STI Louvre Cover for 2008-2010 STI, 2011-2014 STI, 2015-2021 STI
$225.00
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5 color optionss
Compressive Tuning Burn Series Engine Bay Caps (Set of 4) for '15-21 WRX/STI & '14-18 Forester
$225.00
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2 color optionss
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Enhance Your Subaru WRX STI with Quality Performance and OEM Parts
Our Subaru WRX STI parts collection is designed to help you unlock the full potential of your vehicle. Whether you're aiming to boost power, sharpen handling, or upgrade reliability, this selection covers all the essential components and performance enhancements tailored specifically for the STI platform.
What performance upgrades are essential for your Subaru WRX STI?
Upgrading your WRX STI starts with addressing key areas like forced induction, suspension, and drivetrain. Turbochargers and intercoolers improve power delivery and heat management, while coilovers and sway bars enhance handling precision. Drivetrain components such as clutches and short shifters improve engagement and shift feel, rounding out a balanced performance build.
- Forced induction parts for improved boost response and reliability
- Suspension upgrades to sharpen cornering and reduce body roll
- Drivetrain components for better power transfer and durability
- Brake upgrades to complement increased performance
- Intake and cooling parts to support higher output and engine health
How to choose the right Subaru STI parts for your driving goals
Selecting the right parts depends on your intended use—daily driving, spirited street performance, or track-focused builds. Consider factors like power targets, ride comfort, and compatibility with existing mods. Supporting modifications and proper tuning are crucial to maximize gains and maintain reliability when upgrading forced induction or drivetrain components.
Explore our Subaru WRX STI parts collection at Compressive Tuning
From turbochargers and intercoolers to suspension and drivetrain upgrades, our curated selection offers quality parts designed specifically for your WRX STI. Whether you’re enhancing power, handling, or overall reliability, Compressive Tuning provides the components and expertise to support your build. Shop now to find the right parts for your Subaru WRX STI upgrade path.

