RENNtech ECU Upgrade | S 450 | W222 | 402HP/454 LB-FT | 3.0L BiTurbo V6 | M276 | MY2018-2019 porsche-911--992---2018-present--carrera-4---cabriolet-esr2109975 With the proprietary RENNtech ECU+

With the proprietary RENNtech ECU+ Tuning the W463 - G550 4x4² gains up to +102 HP and +128 LB-FT

TCU (transmission control unit) upgrade in addition to our higher efficiency intercooler pump

Engineers have spent months developing a Slip-On exhaust system that takes the driving experience to a completely new level

CLK CABRIOLET (A 209) 55 AMG [2 Filters Required] (HP: 367 | Year: 03 > 06)

E450 BiTurbo Wagon | MY2019

RENNtech ECU Upgrade | S 450 | W222 | 402HP/454 LB-FT | 3.0L BiTurbo V6 | M276 | MY2018-2019 porsche-911--992---2018-present--carrera-4---cabriolet-esr2109975 With the proprietary RENNtech ECU+RENNtech ECU Upgrade up to 402HP and 454 LB FT. Gains: +40HP & +70 LB FT RENNtech M276 Biturbo ECU Upgrades are TV approved! RENNtech tuning products are certified to meet CARB standards in all 50 States. 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