Gibson 05-15 Ford Class A Motorhome/F53 Chassis 6.8L V10 RV Power Cat-Back ExhaustEvery GIBSON performance power exhaust system is designed, dyno and dynamically tested, and precision fabricated to assure unmatched quality. Only the industry's finest components even qualify for our design and development program. For maximum power and torque over the widest power band, we manufacture a merging pressure single exhaust system which allows your engine to operate more powerfully and efficiently than any other exhaust systems. The