RENNtech ECU Upgrade | W212 | E 550 | 480HP / 605 LB-FT | 4.7L V8 BiTurbo | M278 | MY2012-2013 porsche-911--991-1---2011-2016--gt3-rs-esr2317826 Combined with RENNTECH's ECU software

Combined with RENNTECH's ECU software our S 63 down pipes create an incredible sound with performance to match

This set of high-quality

Installation manual

CL (C 216) 500 [2 Filters Required] (HP: 388 | Year: 06 > 10)

AMG GT | GT S | GT C | GT R | GT Pro BS

RENNtech ECU Upgrade | W212 | E 550 | 480HP / 605 LB-FT | 4.7L V8 BiTurbo | M278 | MY2012-2013 porsche-911--991-1---2011-2016--gt3-rs-esr2317826 Combined with RENNTECH's ECU softwareECU Upgrade 480HP 605LB FT Gains: +45HP +162LB FT Our intermediate level ECU upgrade for the Mercedes M278 engine still offers huge gains in performance across the entire RPM range, but with a slightly reduced peak HP and torque from our standard tune. This is ideal for customers who want increased performance in their daily driver without worry of extra strain on driveline components or for areas and countries with extreme altitudes, temperatures or