RENNtech Intermediate ECU Upgrade - E 550 Coupe BiTurbo | C207 | 480HP/523 LB-FT | M278 Engine | MY2012-2013 mercedes-benz-amg-gt--190---2015-2022--amg-gt-black-series-esr5041102 +26 HP & 33 TQ

+26 HP & 33 TQ

ECU Upgrade: Our proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file

The 200 cell catalytic is significantly freer flowing than the restrictive OEM catalytic yet efficiently filters exhaust gases to ensure the check engine light remains off

Our sound and performance x-pipe is constructed of high quality stainless steel with power proven x-pipe crossover design allowing for free flowing exhaust with less backpressure and greater performance

RENNtech Intermediate ECU Upgrade - E 550 Coupe BiTurbo | C207 | 480HP/523 LB-FT | M278 Engine | MY2012-2013 mercedes-benz-amg-gt--190---2015-2022--amg-gt-black-series-esr5041102 +26 HP & 33 TQRENNtech Intermediate ECU Upgrade for 207 E 550 BiTurbo. Up to 480HP and 523 LB FT. Gains: +78HP & +80 LB 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