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  1. RENNtech

    Official Online-Store for RENNtech, the World's Foremost authority in Mercedes-AMG Perfromane Upgrades.

  2. RPM ECU-Upgrade | Mercedes-AMG | SL 55 AMG - RENNtech

    Description The RENNtech Power Module (RPM) ECU tune delivers significant horsepower and torque gains across the entire power band.

  3. Hand Held Tuner | HHT | 63 AMG - RENNtech

    Nov 18, 2020 · 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 …

  4. RENNtech | V3 DLM | Mercedes

    The RENNtech harness utilizes the factory pins as to allow a completely reversible installation. The unit also supports speed-dependant lowering that allows the vehicle to return to its factory …

  5. Exhaust Valve Module | E63 | GT63 - RENNtech EVM

    RENNtech Exhaust Valve Module to open factory Mercedes AMG exhaust valves via Button. For the 213 - E 63 AMG, 290 - AMG GT 4-Door Coupe and 217 S63 AMG Coupe and 222 - S63 …

  6. Performance Parts - Page 1 - RENNtech

    RENNtech | Carbon Fiber | Decklid Spoiler | C257 | CLS Coupe | Gloss Finish $1,480.00 Quick view Add to Cart

  7. RPM ECU-Upgrade | Porsche | Cayenne | Panamera | GTS + Turbo

    RENNtech Power Module (RPM) ECU -tune increases horsepower and torque across the entire power band. By modifying boost mapping and keeping optimized air-to-fuel ratios for turbo …

  8. Performance Parts - Exhaust Valve Module - Page 1 - RENNtech

    RENNtech EVM | Exhaust Valve Module | Audi | S8 (D3/4E) $780.00 Quick view View Options

  9. Performance Parts - HHT | ECU Tuning Modules - Page 1 - RENNtech

    RENNtech ECU Upgrade | Hand Held Tuner | HHT | 63 AMG | M177 - 4.0L V8 BiTurbo | Twin-Scroll

  10. RPM - RENNtech Performance Module

    RENNtech RPM Tuning Module for Mercedes, Maserati, Jaguar, Audi, Range Rover and Porsche