05. If you're technically inclined, in 20 minutes or less you can hang the exhaust and tighten three exhaust clamps. The muffler creates smooth sounds. The pipes are designed to have a larger, constant diameter with the minimal amount of bends. Chassis fitting curves are mandrel bent to maintain the integrity of the pipe's radius. The best exit is always a direct one, thus the bends generally follow a wider curve and are kept to a minimum to allow ease of exit.