RENNtech | Downpipes w/200 Cell Sport Catalytic Converter | W463 | G550 | 4.0L V8 BiTurbo | M176 mclaren-slr-sls-class--197---2012-2014--esr2245349 With the combination of the

With the combination of the RENNtech ECU Upgrade and the latest

CLASS S (W 220) 320 V6 [2 Filters Required] (HP: 224 | Year: 98 > 02)

CLASS E CABRIOLET (A 207) 350 CGI Blue Efficiency [2 Filters Required(HP:292Year: 10 > )

We have found the new M133 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz

650 RPM Mercedes M278 engine performance when measured

RENNtech | Downpipes w/200 Cell Sport Catalytic Converter | W463 | G550 | 4.0L V8 BiTurbo | M176 mclaren-slr-sls-class--197---2012-2014--esr2245349 With the combination of theRENNtech 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 4x4 exhaust