RENNtech ECU Upgrade | GL 450 AMG | X166 | 402HP/454LB-FT | 3.0L BiTurbo V6 | M276

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RENNtech ECU Upgrade | GL 450 AMG | X166 | 402HP/454LB-FT | 3.0L BiTurbo V6 | M276RENNtech ECU Upgrade for 166 GL 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 the

the OEM Wing Base and Spoiler Deactivation module are required

Up to 670HP and 740LB-FT

F-Type P450 V8

): 603 HP @ 5

CLK 63 AMG (W209) Stock Performance:

These pieces were designed to function in complete harmony with one another and when combined create a unique and aggressive aerodynamic package

Porsche 991

and can be painted to match for additional fee

RENNtech Carbon Fiber Wing is available with tall or low style stanchions

RENNtech ECU Upgrade for 463 - G 550

Rated by Mercedes-Benz: 416 HP @ 5

RENNtech Pre-Preg Carbon Fiber Rear Deck Lid Spoiler for the 221 - S Class