Afe 49-46029-B AFE Exhaust Cat Back exhaust-pipe-guards The spinning air action boosts

The spinning air action boosts the velocity of the incoming air and contributes to better atomization of the air/fuel mixture as the air charge enters the combustion chamber

and back hump provide ventilation and resistance to tearing and abrasion

1986-1991 Yamaha YZ250

Coolmax construction helps wick sweat and keep you comfortable

Afe 49-46029-B AFE Exhaust Cat Back exhaust-pipe-guards The spinning air action boostsAdvanced Flow Engineering, Inc. (aFe) produces high flow, high performance air filters & intake systems for the automotive industry. Founded in April, 1999, aFe was created to address an obvious need in the automotive aftermarket industry: a lack of choice for a high performance aftermarket air filter. We are a team of engineers, machinists, production and sales people who believe in the product we design. We each have years of experience in our