APR Catback Exhaust System Center Muffler | C7 S6 · S7 · RS7 D5 A8 4.0L Turbo V8 and the product is emissions

and the product is emissions friendly

Nan-peened valve springs provide long life

Stainless Steel H-Bobbin Hardware

This level of sound is not heard through other brand intakes and is much more refined

Inlet piping addresses system restriction

APR Catback Exhaust System Center Muffler | C7 S6 · S7 · RS7 D5 A8 4.0L Turbo V8 and the product is emissionsThe APR Catback Exhaust System is available with and without a center muffler. This upgrade is customers who have purchased this system and would like to replace the center muffler with our straight pipe assembly. Features: T304 stainless steel construction Argon back purged TIG welding throughout Dual 2. 75" mandrel bent brushed tubing Rugged and precise mounting brackets Direct fit to the APR Catback Exhaust System Low profile design, suitable for