Lowering shackles
I have a 2013 GMC Sierra 2500HD Duramax Crew Cab. I absolutely love this truck, however I think the rear end sits up too high. The rake on it doesn't look right and it's rather stiff when driving empt...
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I have a 2008 Chevy 2500HD I bought new. I didn't like the looks of the back end so I installed 2" lowering shackles back then. If I ever buy a new truck, I would lower the back end again. It made it easier to get in back, trailer tows level. When I hook my 10000# fifth wheel to the truck, it hardly drops. I thought about air bags but not needed. In 8 years I have towed 5th wheel over 40,000 miles and no issues. You will have to re-aim head lights. Before I changed shackles, I marked garage door with masking tape where headlights hit. After changing shackles I adjusted headlights to original setting.
