THE WEST TEK BILLET AIR FILTER

Incredible Performance

INCREASED HORSEPOWER is only one of the benefits you receive from the West Tek Billet Air Filter kit.
This UNIQUE DESIGN offers 6061 BILLET ALUMINUM, a lightweight clean look, FREE FROM EXPOSED FASTENERS.
Performance gains of 2 to 4 HP (DYNO SHEETS)have been recorded from this filter assembly.
LEG CLEARANCE is also increased by this durable design.
All materials are the highest quality available and CNC MACHINED for a hassle free fit.
Models available to fit all '96 to '98 S1, M2, S3 and the S1 White Lightning.
Awesome Billet Accessory.
Patent Pending.