RENNtech Stainless Steel Sport Mufflers | C207 | E550 Coupe | M278 | 4.7L V8 BiTurbo | MY2012-2017 mercedes-benz-s-class--220---1999-2006--s-600-biturbo--2003-2006--esr5052819 Includes ECU Upgrade and Crankshaft

Includes ECU Upgrade and Crankshaft Pulley

Prepreg is widely regarded as the finest process in carbon fiber manufacturing and has been used in aerospace and military applications for its superior consistency in weight

RENNtech titanium lug bolt features:

RENNtech Carbon Fiber 3pc

Our full carbon fiber rear decklid spoiler offers aggressive rear end styling and acts as a functional aerodynamic component to improve rear downforce and airflow across the rear of the vehicle at speed

RENNtech Stainless Steel Sport Mufflers | C207 | E550 Coupe | M278 | 4.7L V8 BiTurbo | MY2012-2017 mercedes-benz-s-class--220---1999-2006--s-600-biturbo--2003-2006--esr5052819 Includes ECU Upgrade and CrankshaftRENNtech Stainless Steel Sport Mufflers C207 E550 BiTurbo MY2012 2014. Gains: +15HP & +20TQ. 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 1 2" diameter tubing offer lighter weight than the stock exhaust and improve performance by reducing exhaust back