Beat me to it. Whether is sucks in cold air or hot, I'd be surprised if it made 5bhp difference one way or the other on an NA engine under 2 litres. Fit it for the noise, or for the look, but the only place it will matter is the pub dyno.
M
Aye, the way people doom-monger about heat soak on here you'd swear it was doubling their 0-60 times
