RENNtech ECU Upgrade | Bentley Continental Supersport | 660HP/663LB-FT mercedes-benz-cla-class--117---2014-2019--cla-45-amg-esr4055727 • RENNtech Stainless Steel Sport

• RENNtech Stainless Steel Sport Mufflers with Electronic Valve System

The uniquely designed muffler from the Slip-On with an added lightweight and exhaust flow–optimized link pipe set with bigger tubes fully represents the titanium Evolution

and four exquisite tailpipes

Z4 35iS  E89 (2008-2012 N54B30to) Stock Performance:

Maserati Ghibli S Q4 (M157) 2018+

RENNtech ECU Upgrade | Bentley Continental Supersport | 660HP/663LB-FT mercedes-benz-cla-class--117---2014-2019--cla-45-amg-esr4055727 • RENNtech Stainless Steel SportRENNtech ECU Upgrade for Bentley Continental Supersports. Up to 660HP 663LB FT Gains: +39HP & +73LB FT Our proprietary Bentley ECU upgrade offers rock solid performance from RENNtech, the foremost tuning authority on Bosch and Siemens engine control units. These same units are utilized in Mercedes Benz vehicles, which RENNtech has been tuning since electronic engine management started to show up in vehicles during the mid 1980's, though our