Porsche 718 Boxster/Cayman GTS 4.0 (982) iPE Header BMW-850i-G14-G15-G16-2021 *Please confirm whether your car

*Please confirm whether your car has an OPF system before placing an order

OEM diffuser: You need to choose our OEM diffuser version muffler in order to fit the OEM diffuser

This iPE exhaust system is handcrafted with T304 Stainless Steel reducing weight by 17%(-5

7HP and 21

Porsche 718 Boxster/Cayman GTS 4.0 (982) iPE Header BMW-850i-G14-G15-G16-2021 *Please confirm whether your car*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