Kline Innovations Ferrari GTC4Lusso Cats


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The Ferrari Gtc4 Lusso is the quintessential Grand Tourer. The naturally aspirated 6.3 litre V12 engine has the sonic potential to surpass all, so that’s exactly what we did!


Our main criteria for the GTC4, 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 well as raising the pitch, and producing a fuller, more aggressive sound to the exhaust note. The valvetronic rear section allows the car to be near silent on cruising, while unleashing unrestricted Ferrari scream when the valves are open.

Addition of the Kline “INCONEL BUTTON” valve control wireless kit, allows you to control the valves to the open position for optimum sound for the entire rev range.



Available in 200 cell high flow sports cats.

Cross Section

Downpipe cross section 70mm, 70mm x pipe, 70mm centre and rear section. 45mm valve closed transit, 70 mm freeflow valve open transit.

Catalysts come in a variety of cross sections from 108mm OD to 127mm OD


Available in premium grade Inconel 625 superalloy, full valvetronic system 19.7kg

Available in 304 grade stainless steel, full valvetronic system 34kg

Additional information

Exhaust Material

Inconel 625, Stainless Steel


200 CEL Cats, Catless Pipes


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