Superchips

7AS2G30--5172-CSCX--KCURTCPS

Superchips MAX MicroTuner, for the 2003 GMC Sierra 1500HD

Engine Computers

Releases the performance potential on your vehicle.
Gives you the competitive edge specifically tuned to your vehicle's computer...without ever removing it..
All MAX MicroTuners include DTC data.

The Superchips MAX MicroTuner cracks the codes and releases the performance potential on your vehicle. Countless hours of testing and tuning give you the competitive edge specifically tuned to your vehicle's computer...without ever removing it. Plus, all MAX MicroTuners include DTC data.

Adjustable Features (depending on model and year): Engine Tuning; Rev Limit; Speed Limiter; Shift Points; Shift Firmness; Gear Ratio; Tire Size; Adjust Fan; Skip Shift; Mulit-Fuel. Application Notes (if applicable): Yes) Indicates that the setting can be altered from the Superchips tuned setting. Note 1) Denotes that the setting has already been optimized in the Superchips calibration. User cannot alter using MicroTuner options. Note 2) No adjustment required.

This item is designed to fit the following vehicle(s): 2001-03 GMC Sierra 1500HD 4.8L, 5.3L, 6.0L, 8.1L

Note: 4.8L, 5.3L, 6.0L, 8.1L MODELS.

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