Throttle Response Controller for GMC Sierra 2020-2025 - Plug-and-Play, 4 Driving Modes, Throttle Controller Performance Parts, App Control, Sierra Accessories | FT77

Features

• COMPATIBLE WITH GMC SIERRA 2500/3500 HD (2020-2025): Fits SLE, SLT, Denali & Elevation. This FN Tuned throttle response controller optimizes 6.6L V8 & 6.6L Duramax Diesel engines for safer merging and hauling heavy loads on the highway.
• UPGRADE YOUR DRIVE: Make your engine roar with 4 modes made for the street. 36 settings reduce lag for seamless traffic navigation, ensuring instant acceleration for safer highway merging and overtaking.
• PLUG-AND-PLAY SETUP: Install in 15 minutes without tools. The device connects directly to your Sierra 2500/3500 HD gas pedal sensor. It leaves no footprint on your ECU, ensuring a safe upgrade that keeps factory settings original.
• ADVANCED CONTROL: Adjust settings wirelessly with the free FN Tuned app. Safeguard your truck with subscription-based Anti-Theft, locking the pedal to prevent theft in parking garages, driveways, or daily commutes.
• UNLEASH POWER: This throttle controller does not write to the ECU. It removes lag for instant response. Works with aftermarket intakes and exhausts, helping you unleash the full roar of your engine during driving and heavy hauling duties on the road.