RENNtech Stainless Steel Sport Mufflers for E 63 AMG Biturbo (W212) MY 2014+ mercedes-benz-cls-class--219---2006-2011--cls-55-amg-kompressor-esr8681054 Stainless Steel Sport Mufflers: Made

Stainless Steel Sport Mufflers: Made out of 2 3/4 inch diameter tubing our sport mufflers are lighter weight than the stock exhaust and improve performance by reducing exhaust back pressure

After a few seconds

The R1 Pkg requires an additional core charge

377 whp @ 6

R1 Performance Package for 221 - S 65 AMG

RENNtech Stainless Steel Sport Mufflers for E 63 AMG Biturbo (W212) MY 2014+ mercedes-benz-cls-class--219---2006-2011--cls-55-amg-kompressor-esr8681054 Stainless Steel Sport Mufflers: MadeRENNtech Stainless Steel Sport Mufflers for the 212 E 63 AMG BiTurbo 2014+ FaceLift. Gains: up to 10 HP & 15 TQ. RENNtech T 304 stainless steel (SS) sport mufflers are hand made and rigorously tested to remove any unwanted resonances in the cabin to deliver a deep sound that keeps with the character of a luxury performance vehicle. Our mufflers with 2 3 4 inch diameter tubing offer lighter weight than the stock exhaust and improve performance by