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Would a cat back exhaust help with the HP that much more. More air in = more air out.
what a cat back helps with is the removal of underhood heat... Less restriction allows the exhaust to exit better.
How close are you to the rock, and how good is your aim?
That is an absolutely worthless comment. You made that comment based on no logic, facts, or proof. If the afe is letting dirt in on heavy offroad expeditions, it is clearly less restrictive and flowing more air then the volant which didnt let a spec of dust pass through the whole time this guy drove through black choking on dust
do you have to take the filter out to get the pre filter on and off?
Wow really.... A 3" tube is a 3" tube. I dynoed the AFE with the prefilter installed. Doubtful if any sand is getting past it.