It sounds better and may get you 1 mpg but it puts the air filter out in the open suseptable to water and a lot more dust. So it is probably personal prference. On my old four banger not a good idea.
89 2.5 TBI, 4" RC lift, 1" Booms, SYE, Adams Driveshafts front and rear, Ford 8.8 with 4:88s, BFG 33X12.50X15, and a ton of other stuff.
AF Jeep Club Tail Number 184