RENNtech | ECU Upgrade | R230 | SL 600 | MY07-11 | 625 HP / 745 LB-FT | 5.5L V12 BiTurbo | M275 porsche-cayenne--2017-present--po536--340ps--esr7220361 adding a deep resonant sporty

adding a deep resonant sporty sound without droning

and variable turbine geometry

fitting an Akrapovič Slip-On exhaust system on this SUV also results in keeping the weight down

The end result is nothing short of spectacular with the RENNtech turbo package creating up to 818 hp and 820 lb-ft

RENNtech | ECU Upgrade | R230 | SL 600 | MY07-11 | 625 HP / 745 LB-FT | 5.5L V12 BiTurbo | M275 porsche-cayenne--2017-present--po536--340ps--esr7220361 adding a deep resonant sportyRENNtech ECU Upgrade for 230 SL 600 MY 2007+. Up to 625 HP and 745 LB FT. Gains: +115 HP & +133 LB FT. RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability. RENNtech