Description
Advanced Engine Tuning. The Accel SuperTuner provides preset and adjustable tuning options for fuel, spark, and transmission parameters to optimize vehicle performance. It is designed to improve throttle response, accommodate common aftermarket modifications, and enhance drivability. This tuner is ideal for enthusiasts seeking user-friendly calibration and noticeable performance gains without full custom tuning capabilities.
Construction and Appearance. The tuner features a durable housing with a high-definition 2.8-inch color display, offering a clear and updated interface that makes adjustments easier and faster. The design focuses on user interaction efficiency with a robust build and intuitive software integration.
Installation. Installation is straightforward, requiring no drilling or permanent vehicle modification. The tuner plugs directly into the vehicle’s existing diagnostic port, enabling quick setup and immediate access to tuning and diagnostic functions.
Application. This tuner fits a wide range of GM, Ford, and Dodge/RAM vehicles. Notably, it supports the 2007 to 2015 6.6L Duramax Silverado 2500 HD, offering precise calibration options tailored for this model and engine combination.
Accel 49505
CA Residents: WARNING: Cancer and Reproductive Harm
- Performance Test (0-60, ¼ Mile Testing)
- C.A.R.B. EO # D-745 – 50 State Legal and California Compliant
- Shift Point and Firmness Adjustment
- Tire Size and Axle Gear Ratio Adjustment
- Internet Updating Using PC Software
- HD 2.8” Color Screen with Updated Interface for Easier and Faster Modifications
- Speed and Rev Limiter Adjustments
- Active Fuel Management Control
- Diagnostic Capability – Read and Clear Trouble Codes with Explanation of Codes
- Erases Fault Codes
- Fuel Type: Diesel and Gasoline
- Instruction Manual Included
- Part Type: Computer Chip Programmer
- Product Type: Tuner
- Sub Category: Engine Service
- California Proposition 65 Required
- Fits 2007-2015 6.6L Duramax Silverado 2500 HD






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