new to the mega cab world, i have an 06 six speed, leveling kit, air bags, add a leaf, w/ 34x12.50 discoverers on 17x10 incubus offroad wheels... i wanna do intake/exhaust... so many options out there... i think stacks are the , but how much cab noise will i get doing 70?? i don't wanna cut a 7" hole in my bed and not like the cab noise ... maybe a strait 5"... any help out there, what you have, do you like it?? thanks,
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