Porsche Cayenne Turbo 958.2 2015-2017 Cat Bypass Pipes +17-20 HP Brand NewLooking for a fairly inexpensive way to add 17 20 horsepower to your high performance Porsche 958. 2 Cayenne Turbo 2015 2017? Well, you've come to the right place. Here's the deal: Fits all 958 Cayenne Turbo Vehicles 2015 2017+17 HP on V8 platform. 14 16 gauge, C. N. C. mandrel bent, polished T304 stainless steel tubing for maximum flow and improved power. All V8 Cayennes have two sets of catalytic converters. The second set is unnecessary and only