Dinan Free Flow Axle-Back Exhaust - 2014-2016 BMW M235i Stainless Steel - Black Tips - w/ M-Performance Rear Valance - F22 Audi S6 C7 25% increase in spring stiffness

25% increase in spring stiffness in front and 34% increase in the rear

It also purposefully includes an intake resonator whose sole purpose is the elimination of turbo/intake noises - the same noises that those in the performance world relish

7T Turbo S)

Inlet piping addresses system restriction

The APR system has no trouble remaining consistent thanks to its ability to resist power-robbing heatsoak

Dinan Free Flow Axle-Back Exhaust - 2014-2016 BMW M235i Stainless Steel - Black Tips - w/ M-Performance Rear Valance - F22 Audi S6 C7 25% increase in spring stiffnessOnly compatible for vehicles equipped with the M Performance rear valance. Stainless Steel Black Tips w M Performance Rear Valance F22 Dinan engineers designed the F22 BMW M235i exhaust to improve exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration. Dinan also incorporates a Helmholtz chamber design that reduces