RENNtech | Stainless Steel Sport Mufflers | C218 - CLS550 | W212 - E550 | M278 | 4.7L V8 BiTurbo aston-martin-dbx-straight-six-esr4024283 000 - 4000 rpm

000 - 4000 rpm

Our intermediate ECU tune increases performance from 402 HP and 443 lb/ft torque to 480 HP and 523 lb/ft at the crank

2010-up 997 DFI Turbo "S" (3

390 lb-ft @ 1

5 Series TOURING (E61) 525 i/Xi (HP: 218 | Year: 07 > 10)

RENNtech | Stainless Steel Sport Mufflers | C218 - CLS550 | W212 - E550 | M278 | 4.7L V8 BiTurbo aston-martin-dbx-straight-six-esr4024283 000 - 4000 rpmRENNtech 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