The sound switch exhaust system for the Porsche Cayenne is a trademark of the speedART tuning brand. With this exhaust, customers can enjoy a wide open exhaust note when appropriate or a quieter sport sound for more relaxed occasions. The speedART system begins as Porsche muffler that is opened and re-baffled for a sport sound.

Non Switch Sport Muffler

The 120mm larger diameter stainless steel tips are the maximum size that you can fit in teh Turbo rear valance. The tips have been polished to a chrome-like shine. Tips fit all engine configurations. Tips must be installed using the Turbo rear valance.

SpeedART offers a pair of replacement cat-pipes that eliminate the first of two pairs of catalytic converters. The high-polished, stailess steel speedART cat-deletes bolt to the factory turbos re-using OEM gaskets and hardware. The race inspired, dual-plate flanges are made to withstand even the most extreme heat. These flanges are the most important factor on these pipes because the design favors expansion rigidity preventing warping. The entire pipes seams have been TIG-welded for the highest qualtiy strength and aesthetics. The inner welds have been smoothed not to interfere with turbo exhaust flow. The design of the pipes is a result of a number of tests. The cat bulge in the tube actualy prevents cabin resonance, prevelant in less-complicated straight pipe designs.