RENNtech | ECU HHT-Hand Held Tuner | R230 | SL 600 | 625 HP / 745 LB-FT | 5.5L V12 BiTurbo | M275 | MY2004-2006 mercedes-benz-c-class--217---2014-2020--s63-amg-esr5011825 and modifying boost mapping for

and modifying boost mapping for turbo-chargers of the twin turbocharged 4-liter V8 -engine found in the Audi RS6

The carbon fiber airbox was designed

fully developed in-house at the RENNtech HQ in Stuart

The RENNtech upgraded M278 now produces up to up to 540 HP and 705 LB-FT at crank

Gains up to: +95 HP | +55 LB-FT

RENNtech | ECU HHT-Hand Held Tuner | R230 | SL 600 | 625 HP / 745 LB-FT | 5.5L V12 BiTurbo | M275 | MY2004-2006 mercedes-benz-c-class--217---2014-2020--s63-amg-esr5011825 and modifying boost mapping forRENNtech ECU HHT (HandHeldTuner) for the 230 SL 600. Up to 625HP and 745 LB FT LB FT. Gains: +133HP & +155LB 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.