RENNtech ECU Upgrade | GLS 450 | X166 | 402HP/454LB-FT | 3.0L BiTurbo V6 | M276 maserati-levante--2017-present--s-v6-430-ps-esr3335661 and overall surface quality

and overall surface quality

Modifications to the OEM rear bumper are NOT necessary

This two-piece Front Canards are 100% pre-preg carbon fiber and developed to complement the full RENNtech AMG GT63 aerodynamic program

RENNtech | X290 | AMG GT63 | Canards | Carbon Fiber | Gloss Finish

Rated by Mercedes-Benz:      416 HP @ 5

RENNtech ECU Upgrade | GLS 450 | X166 | 402HP/454LB-FT | 3.0L BiTurbo V6 | M276 maserati-levante--2017-present--s-v6-430-ps-esr3335661 and overall surface qualityRENNtech ECU Upgrade for 166 GLS 450 BiTurbo 4 MATIC. Up to 402HP and 454LB FT. Gains: +40HP & +70LB FT RENNtech M276 Biturbo ECU Upgrades are TV approved! 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