While in quiet mode with the valves closed you will have a refined and sporty sound with no drone at highway speeds and retain the ability to quietly enter and exit your neighborhood without annoying those around you thanks to the high quality mufflers
Ultra High Flow 90mm Downpipe (NI-R35-NCATS2)
this product offers increased power and efficiency
Addition of our trademark 1D CLR tight radius x pipes further raises the pitch of the exhaust
4L I4 engine
Kline Innovation Ferrari 355 2.7 / 5.2 Manifolds Heat Shield Option M2 Competition F87N While in quiet mode withTHE SOUND Replacing the stock catalysts with HJS HDPE motorsport catalysts, or de cat pipes, opens up the sound significantly. On valve open, the silencer is completely bypassed, and the exhaust discharge is merged into a Y pipe, blending the exhaust gases 180 degrees out of phase, resulting in a higher pitched sound. On valve closed, the gases are diverted through a series of chambers, and acoustic fill sections, resulting in a smooth and unobtrusive