Billetworkz Engine Bay Caps Zero Series Red Wrinkle 2015-2021 Subaru STI with Fluid Engraving | BW-EBCZ-SUB-VASTI-RWR-E Vehicle Model_NSX quiet braking with reduced rotor

quiet braking with reduced rotor wear

and improved horsepower and torque throughout the RPM range

Through the use of minimal bends and the optimum pipe size we were able to achieve this goal

turbocharger efficiency is improved

check clearance and spring seat height when adjusting camber

Billetworkz Engine Bay Caps Zero Series Red Wrinkle 2015-2021 Subaru STI with Fluid Engraving | BW-EBCZ-SUB-VASTI-RWR-E Vehicle Model_NSX quiet braking with reduced rotorThese caps are designed to be factory replacement caps, not covers. CNC machined from 6061 aluminum and anodized for a durable and vibrant finish. 2015+ STI Includes: Oil Cap Wiper Fluid Cap Coolant Overflow Cap Brake Fluid Cap Power Steering Fluid Cap