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2008 Hummer H3 In-Line Modules

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Jet Performance Module Reviews

H3 Stage 2 Jet Performance Module

Reviewed By Gary M (Kissimmee, FL) Reviewed for a 2008 Hummer H3 —3/13/2016 9:03 AM

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.

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