2015 Subaru STI
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 5) Fits 2022+ BRZ / GR86 manual
$245.00
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2 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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Performance and Replacement Parts for Your 2015 Subaru WRX STI
Enhance your 2015 Subaru WRX STI with carefully selected performance and OEM replacement parts designed to improve power, handling, and style. This collection covers everything from forced induction upgrades to suspension and braking components, helping you get the most out of your STI on the street or track.
How to Choose the Right Performance Upgrades for Your 2015 STI
When upgrading your 2015 WRX STI, it’s important to consider your driving goals and current setup. Start by identifying whether you want to focus on power gains, handling improvements, or both. Forced induction parts like upgraded turbos and intercoolers can significantly boost power, while suspension and brake upgrades improve control and safety.
- Assess your daily driving versus track needs
- Consider supporting mods like engine management and cooling
- Balance power upgrades with suspension and brake enhancements
- Plan for proper tuning to maximize performance gains
Key Performance Areas to Upgrade on the 2015 WRX STI
Your 2015 STI responds well to upgrades in several core areas. Forced induction components such as upgraded turbochargers and intercoolers improve spool and heat management. Suspension upgrades like coilovers and sway bars sharpen handling and reduce body roll. Don’t overlook braking components to ensure your stopping power matches your increased performance.
Explore Quality Parts and Upgrades for Your 2015 STI at Compressive Tuning
From engine management tools to exhaust systems, our collection offers reliable parts tailored for the 2015 Subaru WRX STI. Whether you’re replacing worn OEM components or building a high-performance setup, Compressive Tuning provides expert-selected options to enhance your driving experience. Shop now to find the right upgrades for your STI.

