RENNtech ECU Upgrade for S 65 (W221- 670 HP / 840 LB-FT) porsche-911--991-2---2015-2019--carrera-esr9339334 219 - CLS 55 AMG

219 - CLS 55 AMG Kompressor

With the proprietary RENNtech ECU Upgrade the W166 - GLE AMG SUV gains up to +25 HP and +42 LB-FT

split and angled at centerline of hood Optional features include (please contact us for more details and pricing): • Exterior in satin finish clearcoat • RENNtech unique stripe design to color match your AMG GT • Full hood paint color matchWhat exactly is prepreg carbon fiber

6 Series (F12) 640 i (HP: 320 | Year: 11 >)

Larger impeller (inlet) and turbine (exhaust) cartridge

RENNtech ECU Upgrade for S 65 (W221- 670 HP / 840 LB-FT) porsche-911--991-2---2015-2019--carrera-esr9339334 219 - CLS 55 AMGRENNtech ECU Upgrade for 221 S 65 AMG. Up to 670HP and 840TQ. Gains: +49HP & +102LB FT RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability. RENNtech tuning software