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Two different sound options are available
Our Competition Headers maximize the design potential of that section of the GT4 RS
Elevate your ride to a whole new level and turn heads wherever you go
Fabspeed 997 Carrera Sport Catalytic Converter X-Pipe (incl
but also improve its exhaust flow for a more powerful and efficient ride
Kline Innovation Ferrari F12/TDF X pipe Porsche-718-Boxster-2016 Two different sound options areTHE SOUND Our main criteria for the F12, 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 tone, as
