RENNtech ECU+ Upgrade | R231 | SL 550 | 540HP / 705LB-FT | 4.7L V8 BiTurbo | M278 mercedes-benz-sls-amg-gt--197---2012-2014--esr9215445 the RENNtech AMG GT63 splitter

the RENNtech AMG GT63 splitter features several unique design elements

Up to 672 HP and 592 LB-FT @ crank

RENNtech Stainless Steel Downpipes with 200 Cell Sport Catalytic Converters for 213 - E63 AMG and 290 - GT 63 AMG 4-Door Coupe

These splitter is designed to fit the 2018 - 2022 AMG GT and GT S

The splitter is easy to install and retains the OEM clearance for parking stops and steep driveways

RENNtech ECU+ Upgrade | R231 | SL 550 | 540HP / 705LB-FT | 4.7L V8 BiTurbo | M278 mercedes-benz-sls-amg-gt--197---2012-2014--esr9215445 the RENNtech AMG GT63 splitterECU+ Upgrade 540HP 705LB FT Gains: +92HP +167LB FT RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal! Our proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be