Radium Engineering Air Oil Separator Kit - Fits 02-07 Subaru WRX / STI subaru-sti-2011 1991 Mercury Cougar LS

1991 Mercury Cougar LS

Recommended for high output

or Mercury

This adjustment is important in maintaining the air within the boost system without reducing turbo response

Radium Engineering Air Oil Separator Kit - Fits 02-07 Subaru WRX / STI subaru-sti-2011 1991 Mercury Cougar LSHigh powered modified Subaru engines tend to generate excessive blow by oil and gasses. In these cases, an ordinary small catch can may quickly fill with oil and not be adequate. Like the Radium Engineering Subaru Dual Catch Can Kit, the AOS (Air Oil Separator) kit is responsible for keeping blow by oil and other pollutants out of the intake pipe, manifold, turbocharger, and intercooler during all engine loads. The main difference is that an AOS