Kline Innovation Audi RSQ8/SQ8 valvetronic rear system Honda while under hard throttle and

while under hard throttle and high revs

+   Fits all Porsche 996 GT2 vehicles (2001-2005)

blue-tipped tips add a touch of luxury to your daily routine

The SOUL Center Muffler Bypass increases the invigorating flat-six wail that you love without sacrificing comfort during daily driving – or offers a true track-inspired tone when paired with upgraded headers

Our Supercup Exhaust System is a loud and aggressive performance exhaust system that flows much better than the factory muffler and is designed with track use in mind

Kline Innovation Audi RSQ8/SQ8 valvetronic rear system Honda while under hard throttle andThe Sound Replacing the restrictive factory catalysts for either 100 or 200 cell HJS HDPE motorsport catalysts opens up the sound significantly, while the 20 degree x pipe blend the gases out of phase, raising the pitch of the exhaust note, and smoothing out unwanted drone. The rear section, utilizes the cars stock electronic valve control system. On valve closed, the gases are diverted through a series of chambers, and acoustic fill sections,