Ramair Ramair Foam 90mm (3.5inch) ID Neck Polymer Base Neck Cone Air Filter Gauges 8 petrol '75-'89

8 petrol '75-'89

Performance induction kit for the BMW 520i 523i E39 5 Series

Blue SuperSonic: TS-0205-1309

4-1 Outlet: TS-0550-3098

This Improved 'working ratio' is achieved through an increase to the effective surface area of the diaphragm & revisions to the actual springs fitted resulting in greater leverage of the forces the actuator is working against (boost and backpressure) while still being super-responsive

Ramair Ramair Foam 90mm (3.5inch) ID Neck Polymer Base Neck Cone Air Filter Gauges 8 petrol '75-'89This filter is designed to be fitted to the outside of a rigid pipe such as a MAF sensor housing. These filters have an rubber polymer neck and a cone shaped filter element. This enables easy fitting to space restricted engine compartments, whilst providing a large surface to maximise potential air flow. The filters are constructed using stainless steel cage internal and our famous 15mm thick twin layer foam. Ramair universal filters are designed and