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 Our two-piece wheels are available

Our two-piece wheels are available in a brushed aluminum or any custom finish upon request

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

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

RPM Tuned: 541 HP and 571 TQ

CLASS C (W 204) 350 V6 4-Matic Blue Efficiency (HP: 306 | Year: 11 > )

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 Our two-piece wheels are availableRENNtech 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