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Today on our 2016 Jeep Wrangler Unlimited we're going to be showing you to install the SMI stay and play duo. This is a proportional supplemental braking system. The part number is sm99251. The stay and play duo allows us to safely tow a vehicle behind our RV or coach. The proportional system's going to activate only when we're breaking in our RV. The one time setup means you'll never have to… see more >
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