2011 CTS Coupe with Borla 11824 Axle-Back Exhaust
Finished the install on the axle-back Borla 11824 so here's the before and after comparison. Much meaner with the Borla. I highly recommend it.
D3 Air Intake 2011 CTS Coupe 3.6L V6
D3 Air Intake Kit for 2011 CTS Coupe with 3.6L V6 stock engine.
Cts Coupe MagnaFlow VS FlowMaster
Sound difference between these two cat backs, both with stainless steal piping with X-pipe + LT headers Its plasti dipped peal white :)