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Ignitions and Electrical Computers, Chips, Modules and Programmers

Jet Performance Products

MODLE GM ENVOY 4.2L02-3

$389.95 $359.47 Save $30.48

SKU: J008 20303S

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Jet Performance Jet Power Control Module Stage 1 adds up to 25 horsepower instantly with simple, plug-in installation. It features exclusive, full-range Dynamic Spectrum Tuning of the air and fuel ratio, ignition advance, transmission, and various other parameters. Each program is track and dyno tested for optimal horsepower and drivability. It is designed for stock or mildly modified vehicles and aims for improved performance and mileage by burning fuel at peak efficiency. Use of mid-grade or better fuel is recommended. This module provides a modified ignition curve and adjusted shift points/firmness and is 50-state smog legal.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandJet Performance Products
Part NumberJ008 20303S

Videos

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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