Jet 18712S Stage 2 Performance Computer Chip for 1981-1995 GM Vehicles

The Jet 18712S Stage 2 Performance Computer Chip delivers enhanced horsepower and improved throttle response for 1981-1995 GM cars, trucks, and SUVs. This plug-in performance module is designed for vehicles with aftermarket modifications including a free-flowing exhaust system and upgraded air intake.

Key Features:

• Adds up to 23 horsepower with simple plug-in installation
• Dynamic Spectrum Tuning (DST) optimizes air/fuel ratio, ignition timing, and transmission parameters
• Track and dyno tested for maximum horsepower and drivability
• Improves throttle response and acceleration across all speed ranges
• 50-state smog legal emissions compliant
• No permanent modifications to factory computer required

Requirements for Optimal Performance:

• 180-degree thermostat (recommended)
• 91 octane or higher fuel required
• Free-flowing exhaust system
• Aftermarket air intake or high-flow air filter

This Stage 2 chip features Jet's exclusive full-range Dynamic Spectrum Tuning technology, which precisely adjusts multiple engine parameters for optimal power delivery. The calibration is specifically engineered for modified engines running performance exhaust and intake systems, making it ideal for enthusiasts seeking measurable performance gains without expensive custom tuning.