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Porsche 991.2 Carrera Kline Exhaust System

The Porsche 991.2 carrera, the first carrera to replace its naturally aspirated engine for a 3.0 litre twin turbo. Despite producing an impressive 414hp, and 0-60 time of 4.1 seconds (Carrera s model), the 991.2 carrera has been criticised for lacking exhaust noise, the essence and soul of previous Carrera models. However, here at Kline, we are experts at turning lackluster turbo sounds, into a head-turning supercar wail. Our main design brief for the 991.2 Carrera, to give the car back her voice and soul!   THE SOUND Building on our highly revered Porsche turbo range, we have incorporated many of the same design features into our Carrera turbo range, 1D CLR X pipe for that incendiary howl at higher rpm, harmonically tuned silencers, and ultra-thin Inconel 625 for that “Unique to Kline” sound.  The Kline Carrera Turbo system also incorporates a valvetronic design, allowing the car to be run stealthily on valve closed, while attaining an unhindered raw scream, and optimum performance when the valves are opened.  Available in Decat for optimum sound and performance, or a choice of 100 or 200 cell high flow sports cats. The cats section is modular, allowing the cats to be swapped with decat very rapidly, depending on intended use.    THE SPECIFICS Cross Sections Decat cross section 70mm, 63.5mm x pipe. 45mm valve closed transit, 63.5 mm valve open transit.  catalysts come in a variety of cross sections from 108mm OD to 127mm OD Materials Available in premium grade Inconel 625 superally, full valvetronic system 10.5kg Available in 304 grade stainless steel, full valvetronic system 19kg
The Porsche 991.2 carrera, the first carrera to replace its naturally aspirated engine for a 3.0 litre twin turbo. Despite producing an impressive 414hp, and 0-60 time of 4.1 seconds (Carrera s model), the 991.2 carrera has been criticised for lacking exh...
The first aspect that caught our attention, the manifolds. Crushed and stunted primaries, the absence of any sort of performance collector, and a 400cpsi catalyst located within the power crucial scavenge zone of the manifold. Clearly there was room for significant improvement. It was clear from the beginning why the factory manifolds were built in this fashion, the clearance between heads, block and chassis is just millimeters, designing anything in this space was going to be a challenge. The stock cats were replaced with long primaries, and motorsport grade collectors, drastically improving torque and power response, and giving a more balanced, yet aggressive sound. Rev response is also greatly improved. (Kline offer an option to fit 100 cpsi cats to the downpipes) The next point that could be improved, the addition of a 20 degree x pipe to the center section. being a v8 with a cross plane crank configuration, significant additional power is generated by relieving pressure spikes associated with the uneven firing pattern. we also offer the option of a resonated (silenced) or non-resonated center section, to suit sound requirements. The rear silencer section, working with the cars stock vacuum actuated valve system, we crafted a set of light weight, valvetronic rear silencers. on valve open the system becomes completely freeflow, for optimum performance, and aggressive sound. under valve closure, exhaust gases are diverted through a series of chambers and acoustic filled section, tuned towards low rpm torque, and a very quiet volume at cruising speeds. the rear section comes in two options, a mild sport not under valve closure, and a stock quiet under valve closure.
The first aspect that caught our attention, the manifolds. Crushed and stunted primaries, the absence of any sort of performance collector, and a 400cpsi catalyst located within the power crucial scavenge zone of the manifold. Clearly there was room for s...