Hummer H3 Questions Car Customization

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Upgrading/swaping 16" Rims To 08 Alpha With 18" Rims

I would like some advice regarding changing the stock 18" rims and tires of an 08 H3 Alpha for the 16" (7 spoke) OEM rims and tires. Would this cause any issues with the electronic tire pressure monit...

225 views with 1 answer (last answer 4 years ago)

Is It A Bad Idea To Put The Larger Tires (lt 285/75/16) On My 2007 H3 Humme...

I think it looks better with LT 285/75/16 tires but it might cause some characteristic problems in the future? Since it does have the 4:1 electronic transfer case and locking rear differential? My e...

1,238 views with 2 answers (last answer 3 years ago)

Need Help, Want Larger Wheels And Tires On My H3

Hi, Ive been reading some posts about increasing the size of wheels and tires for a stock H3 and have a few questions. In the posts I have read that I can increase the size of the wheel/tire package u...

2,978 views with 5 answers (last answer 3 years ago)
Tim Gladu

Cold Air Intake

I was just wondering if anyone had installed one and does it really save gas?

763 views with 1 answer (last answer 6 years ago)
Nate Gainey

Hummer H3

what are the biggest tires that will fit on a stock hummer h3 with the adventure package?

5,282 views with 20 answers (last answer 2 months ago)

Where Can I Get A Navigation Unit For My New Hummer

I would like to have one, can I install it myself?

455 views with 1 answer (last answer 7 years ago)

Engine Swap 07 H3 3.5l

short cuts getting convertor bolts out, and do the engine mounts need to be removed to allow the engine to move foward enough so that flywheel will clear bellhouseing

960 views with 1 answer (last answer 4 years ago)

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