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2008 Hummer H3 In-Line Modules

Not sure which 2008 Hummer H3 In-Line Modules are right for you? We have over 1502 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:

"My new Hummer H3 is actually the second vehicle I've owned with a Jet Performance Chip installed on it. I highly recommend them to improve the overall performance of any vehicle. Besides doing exactly what they claim they'll do, they do it reliably and they're easy to install, even for the mechanically challenged like myself. The Hummer H3 is known for not being a speed demon, and with the chip installed, it's still not a hot rod, but it's much more drivable and feels way less sluggish than it did without it." —John R from Levelland, TX bought a Jet Performance Module for a 2008 Hummer H3, 3.7L 5-cyl. engine.

In addition to Hummer H3 In-Line Modules, you may also enjoy one of these popular products: StopTech SportStop Drilled & Slotted Brake Rotors, Putco Chrome Mirror Covers, CalTrend EuroSport Mesh Seat Covers.
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Customer Reviews

Jet Performance Module

H3 Stage 2 Jet Performance Module

Easy to fit and this is a step up from Stage 1 as I've fitted a new thermostat, air intake system and a Magnaflow exhaust. All seems to be smoother now that it's fitted. View more reviews...
Posted By Gary M (Kissimmee, FL) / March 13, 2016
2008 Hummer H3
Yes
No
Banks Pedal Monster

wendell

absolutely a great add on..works fantastic View more reviews...
Posted By Wendell M (Redding, CA) / March 27, 2021
Yes
No
Pedal Commander Throttle Response Controller

Pedal commander

Ordered this for my 18 Ram 2500 Cummings and all I can say is wow! Wish I would have done this sooner do yourself a favor and get you a pedal commander. View more reviews...
Posted By Doug J (Laconia, IN) / June 7, 2020
2018 Ram 2500
Yes
No