RENNtech ECU Hand Held Tuner (HHT) for S 500 | W220 | 320 HP / 355 LB-FT | MY2001-2006 porsche-macan---my2019---3-0-esr5934925 SL550 (R231 | MY2012-15 |

SL550 (R231 | MY2012-15 | RWD | M278 | 4

in order to create a smooth and high gloss finish

Please add an additional $250 USD for final UV protective coating in gloss or matte finish

750rpm range for TQ

384 wtq @ 3

RENNtech ECU Hand Held Tuner (HHT) for S 500 | W220 | 320 HP / 355 LB-FT | MY2001-2006 porsche-macan---my2019---3-0-esr5934925 SL550 (R231 | MY2012-15 |RENNtech ECU HHT (HandHeldTuner) for the 2220 S 500. Up to 320HP and 355 LB FT. Gains: +18HP & +16 LB 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