Kline Innovation Porsche 996 Turbo Cat Section Heat Shield Option BMW-520i-2018 + Valves are controlled with

+   Valves are controlled with factory PSE exhaust valve controls OR with included valve controller if you do not have PSE

The Fi Nissan GT-R R35 Super Sport EXHAUST system is designed with a valvetronic technology to control airflow

this setup keeps the car very civilised when you want it to be

Ultra High Flow DownPipe (TO-SPRB58-NCAT)

Kline Innovation Porsche 996 Turbo Cat Section Heat Shield Option BMW-520i-2018 + Valves are controlled withThe Sound The Factory setup produces the most lackluster sound, mainly due to a series of chambers, 600 cell catalysts, and the most prominent flaw being the lack of balance between opposing banks. Seriously, i would recommend when considering any aftermarket exhaust for a Porsche turbo, never buy an exhaust without some kind of gas balance between left and right banks. replacing the stock cats for a choice of 100cpsi, 200cpsi, or de cat increases the