Just Bought R First Hummer
Super Moderator
Joined: Jul 2007
Posts: 13,056
From: Boat Town USA MI
Welcome aboard and congrats!
BTW: Forget the chip idea............ PCM tune is the way to go. Search here for the usual, PCM Tune, Intake, Exhaust... there is more. You can search H3 Performance, but there are a ton of threads to weed through.
BTW: Forget the chip idea............ PCM tune is the way to go. Search here for the usual, PCM Tune, Intake, Exhaust... there is more. You can search H3 Performance, but there are a ton of threads to weed through.
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