Kline Innovation Mercedes S63 AMG coupe W222 DECAT cat pipe set BMW-540i-2021 + Choose from a variety

+  Choose from a variety of tip styles and finishes  – or customize your own

Upgrade your Audi S4 today

Quad Tips in Gold (TIP-URUS-G)

for our harmonically tuned silencers

Kline Innovation Mercedes S63 AMG coupe W222 DECAT cat pipe set BMW-540i-2021 + Choose from a varietyTHE 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