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 446 lb-ft @ 4

446 lb-ft @ 4

This set of high-quality

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

Gains up to: +49 HP | +55 LB FT

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 446 lb-ft @ 4ECU 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