RENNtech | Downpipes w/200 Cell Sport Catalytic Converter | 213 - E63 AMG | 290 - GT 63 AMG | 4.0L V8 BiTurbo | M177 porsche-911--991-1---2011-2016--gt3-esr3707851 Our rear diffuser is the

Our rear diffuser is the companion component to the front splitter and functions to decrease drag and increase down force by improving the underbody airflow and its transition to ambient air

Front: 20"x9

R231 - SL63 AMG Pre-FaceLift MY2012-2016

- 190 - AMG GT C

no damage to factory cables

RENNtech | Downpipes w/200 Cell Sport Catalytic Converter | 213 - E63 AMG | 290 - GT 63 AMG | 4.0L V8 BiTurbo | M177 porsche-911--991-1---2011-2016--gt3-esr3707851 Our rear diffuser is theRENNtech Stainless Steel Downpipes with 200 Cell Sport Catalytic Converters for 213 E63 AMG and 290 GT 63 AMG 4 Door Coupe RENNtech Downpipes are constructed from 304 High Strength Stainless Steel and are equipped with 200 Cell Sport Catalytic Converters. With the replacement of the stock downpipes we improve performance, reduce back pressure, increase initial turbo spooling and enhance sound output. RENNtech products are manufactured to perfectly