6.7 modification
Lead Driver
Joined: Sep 2006
Posts: 5,665
Likes: 164
From: Cartersville, Ga
OP, your only tuning options at the moment for the 2015 and 2016 trucks is Spartan and SCT. I prefer the Spartan setup. They really have these trucks dialed in at the moment. If you are a fan of "shift on the fly" tuning, they just released that option.
If you put a good muffler on a 4 or 5" exhaust, it will knock a good bit of the sound down.
If you put a good muffler on a 4 or 5" exhaust, it will knock a good bit of the sound down.
Fleet Mechanic
Joined: Aug 2013
Posts: 1,313
Likes: 19
From: Louisiana
Yeah, Sorry, H&S is not available on the 15 and 16 model years. My bad for the confusion! H&S doesn't do tuning anymore but you can buy "modified" tuners that look and function exactly like the H&S ones on the 11-14 trucks!
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