If your 997 already has the valved sport exhaust system this header and 200 cell cat setup can be used for an increadible sound and performance gain. Due to the larger 63,5mm pipe diameter up to the flange the sound will be intense when the sport valves are opened and also result ina deaper tone, even when the valves are closed. Additionaly you 'll be able to gain up to 15hp

This item may need to be sourced from Germany and would take 2-4 weeks to arrive. Once ordered it cannot be canceled. Please call to check stock or request expedited shipping.