Just give us a call - were happy to help! Mon-Fri: 9am - 6pm Sat: 10am - 2pm
+44 (0)208 500 8811 sales@design911.com
We'll get it to you no matter where you are in the world.
Shop in confidence with our secure web store - ensured security with VeriSign.
Exhaust Catalytic Converter Bypass PipesCayenne S and GTS models have 4 catalytic converters. The 2nd set is only to make to car extremely quiet - unnecessarily quiet. Catalytic converters are great small easily placed mufflers. Cayenne 2ndary Catalytic Bypass/replacement Pipes for the second set of stock catalytic converters. Major Gains in power and throttle response. More V8 muscle car sound without being too loud. NO Check Engine Light no C.E.L. More power +15 hp gain on the V8 S. Better than any German European systems 100% guaranteed. Taking off the useless 2nd set of 2ndary cats is 100% the most power.These cars DONT NEED backpressure. Its a wives tale! Polished mirror shine T304 Stainless Steel saves 35 lbs on the car.
