RENNtech Intermediate ECU Upgrade | X253 | GLC63 AMG (S) 4MATIC+ SUV | 574 HP/612LB-FT | 4.0L V8 BiTurbo | M177 | MY2016-2022 bentley-flying-spur-speed--2022-2024--6-0l-w12-tsi-esr8340154 Cayenne Turbo / Turbo S

Cayenne Turbo / Turbo S (Pre-FaceLift) - Akrapovic:L-PO/T/2

Note: The TCU upgrade included with AMG GT -series Turbo upgrades and is recommended for all AMG GT -series vehicles with ECU tune

There is a control unit for monitoring the back pressure

The harness can be uninstalled for returning the vehicle back to stock

RENNtech Intermediate ECU Upgrade | X253 | GLC63 AMG (S) 4MATIC+ SUV | 574 HP/612LB-FT | 4.0L V8 BiTurbo | M177 | MY2016-2022 bentley-flying-spur-speed--2022-2024--6-0l-w12-tsi-esr8340154 Cayenne Turbo / Turbo SIntermediate ECU Upgrade GLC 63 AMG S and non S Up to 574 HP 612 LB FT Gains: +48 HP & +80 LB FT 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 plugs directly into the OBD2