Kline Innovation Mercedes S63 AMG coupe W222 200cell cat pipe set Audi-A7-C8-3-0T-55-TFSI-2021 this exhaust system delivers a

this exhaust system delivers a powerful boost in horsepower and torque while reducing weight by 40%

Center section: 4

or 200cpsi motorsport catalysts

8 lbs vs 45 lbs)

Kline Innovation Mercedes S63 AMG coupe W222 200cell cat pipe set Audi-A7-C8-3-0T-55-TFSI-2021 this exhaust system delivers aTHE SOUND Replacing the 600CPSI catalysts, with 100 cell HJS race cats, opens the sound up significantly. Addition of our trademark 20 degree 1D CLR x pipe blends the left and right banks, increasing the tenor range, and giving a fuller, richer vocal, while removing unwanted bass frequencies (drone). The Valvetronic rear silencers, containing our proprietary Jekyll and Hyde technology, are almost stock quiet on valve closure, to allow for stealthy