Sale! Jet Performance 99111S Performance Stage 2 Chip for 1991 Jeep Wrangler YJ and Cherokee XJ with 4.0L Engine & Automatic Transmission
$379.95
$99.00
The JET Performance Module for Dodge, Chrysler and Jeep vehicles is a JET exclusive. Dynamic Spectrum Tuning provides power gains across the entire power band-not just at full throttle. Point by point air/fuel ratio, ignition advance and various other tuni
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The JET Performance Module for Dodge, Chrysler and Jeep vehicles is a JET exclusive. Dynamic Spectrum Tuning provides power gains across the entire power band-not just at full throttle. Point by point air/fuel ratio, ignition advance and various other tuning points provide performance gains of up to 25 horsepower. Improves throttle response, acceleration and low end torque. Simple, plug-in installation in less than 30 minutes. Available in Stage 1 and Stage 2.
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Stage 2-Designed for the performance enthusiast, the Stage 2 features more aggressive programming to make the most horsepower and torque available. Fuel and timing curves are extensively modified for peak performance and drivability. Requires use of 91 octane fuel, 180 degree thermostat and free flow exhaust. Also works well with aftermarket intake systems, mass air sensors, TBI spacers, etc.
Installation Notes
Installation Difficulty:
Level 1 Beginner
Simple, plug-in installation in less than 30 minutes.Installation Time: Less than an hour
Parts Included
JET Power Control Module
Specs
Fitment
Jeep Cherokee (XJ)
Jeep Comanche (MJ)
Jeep Wrangler (YJ)
Cost - $25
Free Shipping We offer free shipping on orders over $30. Please check the free - shipping eligibility at checkout.
Delivery Time It usually takes [3-5] business days for standard shipping. Please note that this is an estimated time frame and may be affected by local holidays, and unforeseen circumstances.
