RENNtech | ECU HHT-Hand Held Tuner | R230 | SL 600 | 625 HP / 745 LB-FT | 5.5L V12 BiTurbo | M275 | MY2004-2006 audi-rs7--c8---2019-present--4-0l-v8-tfsi-esr3673228 and modifying boost mapping for

and modifying boost mapping for turbo-chargers the Mercedes-AMG M256 3

The canards kit also features a unique acrylic coating process which protects the carbon fiber from any harmful UV and humidity degradation

Intermediate ECU Upgrade | Up to 638HP / 695LB-FT | Gains: +33HP & +25LB-FT

Carrera 4 Cabriolet

RENNtech | ECU HHT-Hand Held Tuner | R230 | SL 600 | 625 HP / 745 LB-FT | 5.5L V12 BiTurbo | M275 | MY2004-2006 audi-rs7--c8---2019-present--4-0l-v8-tfsi-esr3673228 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.