This touring system that Billy Boat Performance Exhaust developed for the CTS-V is the mildest of the 3 systems offered by B&B. With its 2.5” front pipes and center resonator this system is designed for the mild at heart. Incorporating the latest in resonance control technology, B&B’s proprietary Purge Resonance Technology or PRT as it is known, this complex yet simple design gives you a mild note on hard acceleration and then the unique purge chambers cancel out the unwanted interior noise during low rpm cruising speeds. CNC mandrel bent tubing is used throughout the entire system provide a smooth, uninterrupted exhaust flow for increases in horsepower and torque along with better throttle response. These results have been confirmed by the chassis dyno and by our customers. Precision crafted using 100% T-304 stainless steel, this exhaust system is manufactured as a direct bolt-on replacement for the factory system and by utilizing the factory mounting locations this system requires absolutely no cutting, welding, or modifications for installation and includes all mounting hardware. A pair of 4.25” round double wall tips gives the V a bold and individual look. With unparalleled quality and attention to detail this 50 state emissions legal system is backed with B&B's limited LIFETIME warranty.