Billy Boat Performance Exhaust specializes in high-end performance exhaust systems for some of the hottest sport and muscle cars on the road toady. They have brought their experience and expertise to high performance MOPAR applications, such as HEMI Chargers and Challengers, as well as the Dodge Viper. Constructed from high quality T304 Stainless Steel, these high performance exhaust kits are chassis dyno tested to deliver optimized performance and sound for your vehicle.