Billy boat performance exhaust high performance stainless steel exhaust components for the 2006-2008 Porsche 997 turbo will enhance the driving experience of your Porsche. The mufflers are designed to be used with the stock exhaust tips. For a sportier note the design team at b&b also developed a set of primary muffler bypass pipes that will not only increase the sound they also give you added performance. New for 2010 the mufflers and pipes are avialable in a satin finish or in a polished ke finish. All of these components have no effect on the factory warranty or emissions.

Billy boat performance exhaust line of performance exhaust for the Porsche 997 turbo incorporates the latest in resonance control technology, b&b s proprietary purge resonance technology or prt as it is known. Completely reengineered the prt system allows you to have a mild exhaust note at cruising speeds yet a forceful note on aggressive driving. The complex yet simple design gives you the increased sound and performance you are looking for with its straight through design on moderate to hard acceleration and then the unique purge chambers cancel out the unwanted interior noise during low rpm cruising speeds. The mufflers use 3 tubing for maximum flow throughout the system.