aFe MACHForce XP Exhausts Cat-Back SS-304 w/ Polished Tips 12-16 BMW 328i/428i (F30/F32) (t) N20Advanced 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

but prefer to keep their factory side mufflers -- it’s the SwitchPath™ Exhaust minus the valved side muffler deletes

cold weather and high humidity areas

Robust and a long service life

2L V8 FSI 11-16

HD With Shoulder

on 50% E85 fuel

Give your A3 or S3 the aggressive look it deserves

These cams also allow you to maintain a good idle and can be used with your standard valve springs

Our self-locking stainless steel cable ties are simple to use

MFR Part # URO-009694

In these instances we will need to create a file for your vehicle

3 oxygen sensor bungs to fit multiple models