aFe Control Featherlight Single Adjustable Street/Track Coilover System 12-15 BMW 335i (F30) Non EDC 2004-infiniti-qx56-esi4178089 The muffler features BORLA(r)'s Polyphonic

The muffler features BORLA(r)'s Polyphonic Harmonizer Technology that utilizes patented units that contain pipes of different diameters and lengths to create multiple exhaust notes that harmonize to deliver a clean

An additional auxiliary air inlet is available for use with an optional Dynamic Air Scoop (P/N 54-73006-S) that installs with zero hardware

Each throttle body is serialized for authenticity

During our testing

aFe Control Featherlight Single Adjustable Street/Track Coilover System 12-15 BMW 335i (F30) Non EDC 2004-infiniti-qx56-esi4178089 The muffler features BORLA(r)'s PolyphonicaFe Control Featherlight Adjustable Coilover Shock Kit was developed on the track, both ride height and damping are easily adjustable allowing for fine tuning your BMWs stance and ride quality. Packed with features, the coilovers are precision CNC machined from 6061 T6 Aluminum, hard anodized, and assembled and tested in our Corona, California production facility. The mono tube construction utilizes a floating piston to separate the oil and nitrogen