aFe Momentum Intake Replacement Air Filter w/ Pro DRY S Media (21-91073) 1524 Cartridge 1982 Yamaha XS400S Special

Cartridge 1982 Yamaha XS400S Special Cartridge

With smooth transitions from the filter to the turbo inlets

Adds 10 whp and increases throttle response

They’re made of the same austenitic stainless steel that Borla uses for its own systems

Excellent power gains can be seen across the power band

aFe Momentum Intake Replacement Air Filter w/ Pro DRY S Media (21-91073) 1524 Cartridge 1982 Yamaha XS400S SpecialMagnum Flow Pro Dry S Round Tapered Gray Air Filter (21 91073) by aFe. This high flow Pro DRY S air filters are constructed with 100% polyurethane on all sides and will out flow the stock paper filters for improved performance. Layers of progressively finer synthetic media provides maximum convenience and can be cleaned with soap and water. Washable and reusable for multiple cleaning cycles, the tall, open and evenly spaced filter pleats provide