RENNtech HHT ECU Upgrade for GL 320 CDI (X164- 253 HP / 464 LB-FT) mercedes-benz-e-class-sedan--210---1996-2002--e55-amg-esr4573180 utilizing the existing integrated catalytic

utilizing the existing integrated catalytic convertors

R231 - SL63 AMG Pre-FaceLift MY2012-2016

1 at 5950 rpm           max

The RENNtech Sport Muffler System for the C217 - S 65 AMG Coupe comes with an integrated valve system and utilizes the electronic OEM actuators

346 HP / 480 LB-FT

RENNtech HHT ECU Upgrade for GL 320 CDI (X164- 253 HP / 464 LB-FT) mercedes-benz-e-class-sedan--210---1996-2002--e55-amg-esr4573180 utilizing the existing integrated catalyticRENNtech HHT ECU Performance Upgrade for 166 GL 320 CDI. up to 253HP and 464LB FT. Gains: +23HP & 75LB FT RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal! Our proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming