Kline Innovation Mercedes S63 AMG coupe W222 100cell cat pipe set Ferrari-Portofino-2018 and did not reflect the

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Direct bolt-on replacement for the factory side mufflers

Lifetime filter is washable and re-oilable

These catalytic converters flow up to 93-95% of a straight pipe in most applications

Crafted from durable Stainless Steel

Kline Innovation Mercedes S63 AMG coupe W222 100cell cat pipe set Ferrari-Portofino-2018 and did not reflect theTHE 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