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Old 09-08-2020, 09:40 PM   #1
2 Rivet Member
2021 Interstate 19
Menlo Park , California
Join Date: Jun 2020
Posts: 21
AI 19 Suspension Upgrade

What is the best Suspension upgrade for a 2WD 2500 AI 19? Koni vs Fox shock? Sway bar upgrade? Sumo or not springs? I donít necessarily want a stiffer ride just less bounce and sway
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Old 09-09-2020, 09:29 AM   #2
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2012 Avenue Coach
Corpus Christi , Texas
Join Date: Feb 2018
Posts: 1,598
I don't have any specific suggestions as I don't have a Nineteen. But your post is interesting because yours is the first case I've heard of the short sprinter receiving anything but praise.

But as a general rule, always start with shocks. I went with Koni's on my '2012 Chevy Express-based Avenue Suite (nearly identical floorplan to the Nineteen). Koni's are really expensive and are not gas-charged, which was the reason I wanted them over other shocks as I believe it makes them more compliant on initial road impacts. They are excellent at controlling secondary motions even though out of the box they appeared to offer little compression resistance (could be compressed by hand).

After installing the Koni FSD's, I never considered needing any other suspension changes.
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