Perrin [02-07 WRX, 04-07 STI] Air Oil Separator - Neon Yellow | PSP-ENG-605NY DND Performance Interior(R) Compatible With Buick Regal Sportback

Compatible With Buick Regal Sportback 2018 2019 2020

Please verify local laws regarding exhaust system modifications before installation

this billet adapter allows you to install a boost gauge

Dual Wastegate Compatibility – Comes standard with a 60mm V-band flange for Tial wastegates

Enhance both performance and style on your Chevrolet Cobalt Turbo (2008–2010) with the MEGAN RACING Turbo-Type Cat-Back Exhaust System featuring Blue Titanium Tips

Perrin [02-07 WRX, 04-07 STI] Air Oil Separator - Neon Yellow | PSP-ENG-605NY DND Performance Interior(R) Compatible With Buick Regal SportbackThe AOS increases intercooler efficiency by reducing the amount of oil deposited into your intercooler and intake system! As blow by oil builds up inside your intercooler, the less efficient it becomes due to less heat being transferred away from your engine. This leads to power loss and detonation, which can be damaging to your engine. Reduce carbon build up in the combustion chamber, intake valves, and in your intake tract. Crank case blow by is