Using the all new ‘continuous strand’ ADVANTEX packing material technology achieving extremely high levels of exhaust system efficiency, while maintaining a street driveable, extremely low frequency and deep tone that is well under 93db for discreet sports driving. This system requires no removeable silencer for under 93db operation at all rpms. The extremely deep, low frequency tone keeps in-cabin noise to a minimum. The full SUS304 stainless features a slim-line oval canister, and a special dual wall, angle-cut tip.