aFe MagnumFORCE Performance Accessories Coupling Kit 4in x 3 1/2in ID x 40 Degree (Polyurethane) 2015-bmw-x4-xdrive28i-esi9747873 VW9-XTSS kit features an Xtreme

VW9-XTSS kit features an Xtreme pressure plate for the most demanding driver

75" system features the aggressive ATAK® muffler and Polyphonic Harmonizer Technology which utilizes patented units that contain pipes of different diameters and lengths to create multiple exhaust notes that harmonize to deliver a clean

Aggressive Sound: Free-flowing

but brings a more aggressive styling than the factory plastic bumpers

aFe MagnumFORCE Performance Accessories Coupling Kit 4in x 3 1/2in ID x 40 Degree (Polyurethane) 2015-bmw-x4-xdrive28i-esi9747873 VW9-XTSS kit features an XtremeAdvanced 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