OLM S Style Rear Diffuser Silver WRX / STI 2015-2021 | RDF-WRX14-T1-SL Vehicle Make_Porsche and it's not super expensive

and it's not super expensive for what you're getting

Replaces original stamped steel cowl set with lightweight aluminum alloy that is four times stiffer than original parts

These are genuine Subaru parts courtesy of our friends in Japan

SAE Viscosity Grade (Gear Oil) 80W140

with Cobb's Carbon Fiber Cold Air Intake System to increase air flow and an upgraded rear motor mount to improve traction

OLM S Style Rear Diffuser Silver WRX / STI 2015-2021 | RDF-WRX14-T1-SL Vehicle Make_Porsche and it's not super expensiveProduct Fitment: 2015 2021 WRX 2015 2021 STI Upgrade the visual appeal and aerodynamic efficiency of your 2015 2021 WRX STI with the GCS STI Style Rear Diffuser in a sleek black finish. Manufactured by OLM, this rear diffuser serves as a dual purpose enhancement, offering a stylish transformation while optimizing the vehicle's aerodynamics. It provides an effective and visually appealing solution for those looking to infuse a touch of aggression into