aFe Power Intercooled Tip Stainless Steel - Polished 4in In x 5in Out x 12in L Bolt-On - 49T40501-P121 fits_2014-`BMW`4 Series and produce a rich

and produce a rich

Professional installation including some trimming to the plastic shield is required for seamless integration and optimal performance

Rediscover the Sound That Defined a Generation

1) — 2017–2020

An optional resonator delete pipe is available (PN 49M10007)

aFe Power Intercooled Tip Stainless Steel - Polished 4in In x 5in Out x 12in L Bolt-On - 49T40501-P121 fits_2014-`BMW`4 Series and produce a richAdvanced 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