english: Have you considered curved tubes or bends versus the straight, which would lower it further, and then as some would consider "bling", use two throttle bodies to emulate a dual carb set-up.
non_english: eileanan; eòin-mhara; eòin; Urras Nàiseanta na h-Alba; Dualchas Nàdair na h-Alba; Ministreachd na Dìon