cross section 65mm OD and 44mm OD overflow
this setup keeps the car very civilised when you want it to be
throatier tone from your 991 Carrera's flat six with a substantial increase in volume
while offering everything you could wish for: comfort in the interior and fascinating sounds at every speed range
valvetronic rear silencers
Kline Innovation Ferrari 812 GTS catalyst Heat Shield Option BMW-M3-E90-E92-E93-2007 cross section 65mm OD andTHE SOUND Our main criteria for the 812 GTS, to produce a super light, Inconel 625, valvetronic, full exhaust system, that would be subtle and pleasant at cruising speeds, but to open up the sound to full scream on full throttle and valve open. Replacing the stock catalyst for high flow 100cpsi HJS sports catalysts, we were able to open the sound significantly. Replacing the stock H pipe for our perfect geometry, laminar flow X Pipe, enriches the