I've fitted toomey t3 pipes to the banshee and fitted 280 main jets , with the air box lid and standard filter fitted it bogs a bit flat out. But if I take the air box lid off it revs a lot more top end, the thing is I don't want to leave the lid off as I do a lot of sand riding what should I do instead? Also will it damage the motor if I run it with the lid and it bogs a bit