Porsche 718 Boxster/Cayman S/GTS (982) iPE Cat Back System Audi-RS7-C7-C7-5-2014 here is a snapshot of

here is a snapshot of sound-check for you guys

(iPE Muffler Only)Valve off : 97dBValve on : 108dB3

The Porsche Cayenne Coupe S refined with an iPE Innotech Performance Exhaust system produces an extremely loud and aggressive sound as well as a comfortably quiet cruise by the push of a button when wished for

0L I6 B58 engine

The iPE Exhaust system for the Subaru BRZ (ZD8) / Toyota GR86 (ZN8) is designed and engineered to enhance gas flow and maximize performance gain

Porsche 718 Boxster/Cayman S/GTS (982) iPE Cat Back System Audi-RS7-C7-C7-5-2014 here is a snapshot of*Please confirm whether your car has an OPF system before placing an order. DATA: Before (Full stock system)Valve off : 95dBValve on : 105dBAfter1. (iPE Headers with 200 Cell Sport cat + Front Pipe + Muffler)Valve off : 102dBValve on : 114dB 2. (iPE Muffler Only)Valve off : 97dBValve on : 108dB 3. (iPE Front Pipe + Muffler Only)Valve off : 99dBValve on : 110dBSIZE: HeadersiPE: 44. 5mmFront Pipe iPE: 63. 5mmMuffler iPE: 63. 5mmiPE Header with 200 cell