In an effort to offer Chrysler 300C SRT-8 enthusiasts the utmost in high-performance, Billy Boat Performance Exhaust developed this cat back system out of 3" CNC mandrel bent tubing for increased flow and performance. Incorporating the latest in resonance control technology, B&B’s proprietary Purge Resonance Technology or PRT as it is known, this system enables you to have a mild exhaust note at cruising speeds yet a forceful note on aggressive driving. This low restriction system allows for quicker throttle response as well as increases of 17 horsepower and 21 foot pounds of torque measured at the rear wheels on our in house chassis dyno.With sound and performance achieved B&B didn’t forget about appearance and hand builds each system entirely out of T-304 stainless steel and is TIG welded for unmatched beauty and craftsmanship. For aesthetics B&B uses a pair of 4” round double wall tips for a bold, distinctive look. No engine management sensors are moved or altered therefore this system is 50 state emissions legal and is backed with their limited LIFETIME warranty.