Well I give you a few thoughts. I always do two things when I buy a new truck. Air intake and larger diameter exhaust. It can be as simple as a drop it cleanable air filter. Or complete intake which is what I do. I also just tried this week using 91 or 93 octane gas whichever is in your area. I...
My cap last year for the Leer 180 XR with removable front slider, side sliders, factory installed Thule rack was $2250.00 for my 07, just got the same cap this year for the 16 without the Thule for $1800.00.
My ARB bumper was $1275.00 shipped.