RENNtech | Downpipes w/200 Cell Sport Catalytic Converter | W463 | G550 | 4.0L V8 BiTurbo | M176 mercedes-benz-gle-class--167---2021-present--gle-580-esr6050895 Stainless Steel Sport Mufflers w/Electronic

Stainless Steel Sport Mufflers w/Electronic Valve System

we upgrade the ECU's Software and upgrade the Crankshaft Pulley

Stainless Steel Sport Mufflers: Made out of 2 3/4 inch diameter tubing our sport mufflers are lighter weight than the stock exhaust

With the proprietary RENNtech ECU Plus Upgrade the R172 - SLC 43 AMG gains up to +41 HP and +62 LB-FT

computer-optimized asymmetrical mufflers with a dual-mode exhaust valve system

RENNtech | Downpipes w/200 Cell Sport Catalytic Converter | W463 | G550 | 4.0L V8 BiTurbo | M176 mercedes-benz-gle-class--167---2021-present--gle-580-esr6050895 Stainless Steel Sport Mufflers w/ElectronicRENNtech 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