is bolt on,so is a turbo,or SC
the only deception is to your wallet
That hot air intake is a joke,measure underhood temps with a remote probe compare that to the fresh air temp at the inlet of the stock system in front of the radiator,every 10 f increase is equal to about a 2h.p. loss.
peeps that buy those underhood air boxes are likely candidates for sprint boosters and remus mufflers
ohlord