RENNtech general performance package two consists of Renntech s proprietary ECU tune aside from Renntech s total carbon fibre airbox, 82mm throttle body set up and also RENNtech stainless steel headers for a gain of 53 HP plus 58 TQ over stock.With customized software program which is located at the ground breaking of tuning technological innovation, RENNTECH has prompted several of one of the most complex software application improvement sold these days. RENNTECH consumers encounter much better throttle response, a lot more ambitious transmission shift patterns, enhanced speeds, as well as of course a lot more energy. Designed to improve every single area of an automobile s performance, maximizing low end torque for more effective off-the-line operation and boosting gasoline economy in many applications.59 HP gain53 FT LB gainECU upgradeFull carbon dioxide fibre airbox82mm throttle bodyStainless steel headersFitment Mercedes Benz, W211, AMG, E63, 2007-2008...