RENNtech ECU Upgrade for CLK 350 C209 | 290 HP / 278 LB-FT | MY2006-2009 porsche-panamera--970-2---2013-2016---facelift--panamera-s---4s-esr4544039 The improvement of the car’s

The improvement of the car’s acoustics provides the perfect soundtrack: the Akrapovič exhaust system amplifies and enhances the beautiful sound of the eight-cylinder motor

These extractors reduce drag by pulling air flow from the top surface of the wing

5 Series (E39) 530 d (HP: 184 | Year: 98 > 00)

40% lighter in weight

SL63 AMG  (ABC Optional)

RENNtech ECU Upgrade for CLK 350 C209 | 290 HP / 278 LB-FT | MY2006-2009 porsche-panamera--970-2---2013-2016---facelift--panamera-s---4s-esr4544039 The improvement of the car’sRENNtech ECU Upgrade for 209 CLK 350 AMG, up to 290HP, 278LB FT. Gains: +22HP & 20LB 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