RENNtech Stainless Steel Sport Mufflers for 212 - E 63 AMG BiTurbo mercedes-benz-s-class--222---2018-2020--s-560-maybach-esr2691399 RENNtech ECU Upgrade Z4 35iS

RENNtech ECU Upgrade Z4 35iS E89 (2008-2012 N54B30to)

6 GT3 (HP: 415 | Year: 06 > 11)

660 whp @ 6

the AMG GT Black Series gains up to 282 WHP and 163 WTQ over the DYNO measured stock figure of 656 WHP 568 WTQ

218 - CLS 63 AMG 2015+ FaceLift Coupe

RENNtech Stainless Steel Sport Mufflers for 212 - E 63 AMG BiTurbo mercedes-benz-s-class--222---2018-2020--s-560-maybach-esr2691399 RENNtech ECU Upgrade Z4 35iSRENNtech Stainless Steel Sport Mufflers for the 212 E 63 AMG. 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 larger 2 3 4" diameter tubing offer lighter weight than the stock exhaust and improve performance by reducing exhaust back