RENNtech | Stainless Steel Sport Mufflers | C218 - CLS550 | W212 - E550 | M278 | 4.7L V8 BiTurbo exhaust Increases power and efficiency while

Increases power and efficiency while maintaining OEM fitment

wheel finish and wheel size are available upon request

ECU Upgrade | 500HP / 625LB-FT | Gains: +52HP / +87LB-FT

By removing the factory exhaust resonator and reducing exhaust system back pressure

0L V8 BiTurbo) Stock Performance:

RENNtech | Stainless Steel Sport Mufflers | C218 - CLS550 | W212 - E550 | M278 | 4.7L V8 BiTurbo exhaust Increases power and efficiency whileRENNtech Stainless Steel Sport MUfflers for the 218 CLS550 and 212 E550. 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 inch diameter tubing offer lighter weight than the stock exhaust and improve performance by reducing exhaust back