This is a discussion on kleen air mod question within the New Users forums, part of the Lobby category; OK so I did the kleen air mod on my 04 636 yesterday and it pulled real smooth throughout the gears but when I try ...
OK so I did the kleen air mod on my 04 636 yesterday and it pulled real smooth throughout the gears but when I try to top it out it won't pull passed 14000 rpm and it ran about 6 MPH slower. So I was wondering if night know why?