Exhaust System Kit. DynoMax Super Turbo performance mufflers exclusive patented flow director design channels exhaust flow and eliminates turbulence. The large internal flow tubes improve exhaust flow and reduce backpressure. Each muffler uses fiberglass matting technology to absorb unwanted interior resonance while maintaining a mellow performance tone. The Pure Unadulterated POWER of DynoMax Super Turbo mufflers are backed by a Limited Lifetime Warranty and exclusive 90-Day Performance Sound Guarantee. All Dynomax Performance Exhaust Systems bolt on for easy installation. Your vehicles complete exhaust can be quickly and easily customized with an emissions-legal premium performance system from Dynomax.