Rubber cushion

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TheAutumnWind

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The rear ones are actual bump stops and only used if your rear suspension actually bottoms out which will only happen if you're lowered quite a bit. If you do start hitting those you'll need to do a modification called the free travel mod and you'd replace the stock ones with something shorter.

I hit mine, even with it trimmed and I am hardly lowered at all! 35" in the rear.
 

TheAutumnWind

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What is the installation like? I heard some say there is a bolt.

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Both front and rear can be pulled out by hand. A large philips screwdriver or the like could be helpful to pry em out. Your going to want something to help press them back in though. Pry bar or large screwdriver should work
 

Rocket Man

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What is the installation like? I heard some say there is a bolt.

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I don't remember because I did the free travel mod which entails cutting the entire bracket that holds the bumpstops off the frame with a sawzall, which is what you need to do if you're hitting them. I've never heard of anyone replacing a stock rear one because like I said, they rarely, if ever, are used. They're only for bottoming out, which is completely different than what the front jounce stops are for. The fronts are in constant use. If you're hitting the rear ones in any situation other than when you're absolutely flying over huge bumps, then you don't need new rear factory bumpstops- you need to do the free travel mod and get rid of those factory ones along with the bracket that holds them on. THEN the new small aftermarket ones bolt on, in a new hole you drill in the frame. This mod gives you about 4" more travel, I believe, before bottoming out. I lowered my Denali 3" in the rear and I did the mod even though I don't believe I ever bottomed out, but I have autoride enabled.
 

Rocket Man

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I hit mine, even with it trimmed and I am hardly lowered at all! 35" in the rear.
Sounds like you need to do the free travel mod; here's a link to DJM Suspension's instructions complete with pictures. Trimming the factory bumpstops won't do any good. http://djmsuspension.com/free-travel-2/

PS I did this with a sawzall and it looked way better than theirs. Just buy a few 9" metal blades and be careful when near the fuel tank; maybe use something for protection there to keep the blade away.
 

TheAutumnWind

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Sounds like you need to do the free travel mod; here's a link to DJM Suspension's instructions complete with pictures. Trimming the factory bumpstops won't do any good. http://djmsuspension.com/free-travel-2/

PS I did this with a sawzall and it looked way better than theirs. Just buy a few 9" metal blades and be careful when near the fuel tank; maybe use something for protection there to keep the blade away.

Yeah I gotta do it.

Not the first time I've taken a sawzall to one of our vehicles... I plan to do it when i finally get some decent shocks put in.
 

Rocket Man

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I'd imagine that you have to tuck those big ol wheels.
Actually not so bad- I rolled the inner lip of the front fenders using a dead blow hammer and cut some of the plastic inner fender liners and a bit of metal here and there but not too crazy. A few other tricks - reverse the rear shock bolts, use an adjustable panhard bar, etc.
 

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