Refresh AHC or Aftermarket Suspension?

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Joined
Mar 13, 2026
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Location
Los Angeles
Hey all! I recently picked up an '06 100 series and the AHC works fine but the rear shocks are shot. The truck has an ARB front bumper and a 4x4 Labs rear bumper with dual swing outs (spare tire & jerry can). So obviously heavier than stock. I like the idea of keeping the AHC working as I know the on road ride quality would be nicer.

Question is, with the aftermarket bumpers on, is that too much weight to sink money into new OEM rear shocks + an AHC refresh? The consensus online seems to be to upgrade to an aftermarket setup which would probably be cheaper depending on how much of the AHC needs work. I daily drive it and while it will see off-road time, it will spend most of it's time on road and don't want to sacrifice too much ride quality.

Bonus advice: If I did go aftermarket, I like the Ironman Stage 3 FCP because of it's relatively low maintenance and value. Would love to know how you're liking your Ironman FCP setups compared to stock.

Thanks guys.
 
There’s probably nothing wrong with your rear “shocks” (actually hydraulic rams) they’re just over pressure and weeping. Change the fluid, correct the pressures and they’ll be fine. Search “ABC’s of AHC”.
 
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