The Ferrari 458 has become the benchmark against which all modern supercars are compared, the Speciale being the highest performing model. Here at Kline we decided to build the ultimate exhaust system. Our usual criteria was to create an exhaust of unparalleled performance, sound, and lightness.
Here at Kline, we felt that the Factory exhaust for the 458 Speciale did not reflect the true beauty of this stunning supercar, or reach the full sonic potential of the 4.5 liter V8
Starting at the drawing board, the first aspect to be upgraded, replacing the stock catalysts for high performance 100cpsi race catalysts, thus reducing the gas drag coefficient, and improving scavenge, and ultimately torque response and peak power figures.Replacing the heavy, cumbersome, built down to a cost factory silencers, for our harmonically tuned silencers, we were able to enrich both bass and treble frequencies, as well as significantly reducing weight. The final, and perhaps one of the most important design features, unique to Kline. Our trademark tight radius laminar flow x pipe. The resulting sound is unbelievably smooth under light driving conditions, and a howling raucous high pitched incendiary vocal when you need it.
Under low revs (valve closure) the gases are allowed to pass through a chamber, and an acoustic ceramic filled silencer, with the cross sections tuned toward reaching optimum gas velocity for achieving maximum torque. under hard load and high revs, the valves open for optimum power.
The valves are actuated by the cars OEM vacuum system, and can be controlled by the new Kline INCONEL BUTTON wireless kit.
Cross sections in pre catalyst; 57mm OD chosen specifically to keep lambda ranges in A/F stoichiometry.
Post catalyst cross section; 63mm OD into 1D CLR tight radius X pipe.
Silencer sections; 63mm OD pre silencer, 57mm OD post silencer, single chamber with acoustic fill section.
Available in standard 304 grade stainless steel weight
silencers 6kg each
cat section 6.1kg
Inconel 625, formula one grade exhaust material weight
silencers 3.8kg each
manifolds 2kg each
Titanium G2 silencer sections are also available, weight is comparable with inconel
100 cell 200 cell HJS cats are used as standard.
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