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Originally Posted by joechicago
Hey guys,
Brand new to Hummer and this site! I will be picking up my 06 black lux SUT with Navi on Saturday! I'm a newbie to Hummer and I'm pretty excited to be part of the family! I have a few questions for you vets and "experts" on this forum:
1) Do you recommend buying the super chips programmer for more HP and better fuel economy?
2) rust, it seems most of the people living in the salt belt have issues with rust forming underneath the rig. Have any of you bought into the dealer spray for the undercarriage?
I'll try to post pics this weekend!
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No and No. Buy the programmer but not really for any true noticeable increase in either HP or mileage. It will make it shift firmer, and you can adjust the shifts, etc.
If you want to get an undercoating done, get something aftermarket, like Ziebart or the like.