RENNtech | Downpipes w/200 Cell Sport Catalytic Converter | W463a | G550 | 4.0L V8 BiTurbo | M176 mercedes-benz-gle-class--166---2016-2020--gle-550e-plug-in-hybrid-esr5926051 Rated by RENNtech (peak @crank):

Rated by RENNtech (peak @crank):              1017 HP @ 6

RENNtech Tumbler

C205 - C63 AMG Coupe

Our proprietary ECU upgrade for the Mercedes M278 Biturbo engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability

The surfacing is strategically formed and shaped to improve airflow while enhancing the AMG GT63's dynamic aesthetics

RENNtech | Downpipes w/200 Cell Sport Catalytic Converter | W463a | G550 | 4.0L V8 BiTurbo | M176 mercedes-benz-gle-class--166---2016-2020--gle-550e-plug-in-hybrid-esr5926051 Rated by RENNtech (peak @crank):RENNtech Stainless Steel Downpipes with 200 Cell Sport Catalytic Converters for W463 G550 RENNtech Downpipes are constructed from T304 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 match the stock G550 exhaust