This part fits your vehicle! Based on the manufacturer’s specs, this product is an exact fit for your 1999-2000 GMC Yukon Denali

1999-2000 GMC Yukon Denali - Jet Chips Power Programmer

Part number: J2015024
Manufacturer number: 15024

Jet Chips

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List Price: $449.99
Our Price: $344.65
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Product Description: JET CHIPS PERFORMANCE PROGRAMMER -- Adds up to 130 h.p. and 205 ft.-lbs. of torque; Features the exclusive Tri-Power performance...Read More


Fit note: mfrbodycodename : L31

  • Overview
  • Extended Warranty
JET CHIPS PERFORMANCE PROGRAMMER -- Adds up to 130 h.p. and 205 ft.-lbs. of torque; Features the exclusive Tri-Power performance tuning modes for regular, midgrade or premium fuels; Designed to operate the engine at peak efficiency based on the octane level being used to improve horsepower and mileage; Modifies air and fuel ratios, ignition timing, shift points, shift firmness, speed limiter and rev limiter; Corrects the speedometer and turns off the ABS system trouble light if changes are made to tire size and gear ratio; Easily plugs into the vehicle's diagnostic port under the dash; Has a built-in scan tool with live data monitoring that allows real time monitoring of several vehicle sensors for fine tuning and troubleshooting; Its easy to use installation software allows you to make changes by answering simple yes or no questions; With Jet Chips' limited warranty.

This product fits the following GMC Yukon Denali submodels

  • 1999-1999: SLE; 8 Cyl 5.7L; "GAS, FI, VIN R"
  • 1999-1999: SLT; 8 Cyl 5.7L; "GAS, FI, VIN R"
  • 1999-2000: Base; 8 Cyl 5.7L; "GAS, FI, VIN R"

Product reviews

JET PRogrammer works great!! by , July 10, 2008

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Used on a 1999 Tahoe with a Vortech 5.7L with great results. There are two models for that year of vehicle so make sure the model you choose lists your engine size. My mileage increased 2 MPG right away and increased 3 MPG when towing my trailer. I though