RAMAIR PRORAM Uprated Panel Air Filter for AUDI A4 B6 1.8 Turbo 163BHP air deflector aero kit and doesn’t cause compressor surge/turbo

and doesn’t cause compressor surge/turbo flutter/chirp (those sounds are a sign the diverter’s NOT doing what it’s supposed to

Originally spending considerable time working within the Japanese performance car sector R-Spec Performance then naturally progressed into the supply of performance parts and ECU remapping to cater for most road cars

But ACO offers much more

5" variants and a 40mm tweeter across the rest of the range

RAMAIR PRORAM Uprated Panel Air Filter for AUDI A4 B6 1.8 Turbo 163BHP air deflector aero kit and doesn’t cause compressor surge/turboThis PRORAM performance filter has been designed to replace your standard OEM air filter inside your vehicles air box. These filters are made using a high quality, high flow, synthetic nanofiber filtration media which is pleated to maximise surface area and in turn increase air flow. Utilising over 35 years of experience in the field of Motorsport filtration the PRORAM range by Ramair is the premium choice on the market today for your fast road or