Morning everyone.   The heater in my 6 works reasonably, generates a nice warm glow at feet level, but im wondering if i can improve the airflow?   Two things in mind, replace the air hoses as thay have splits so some of the fan output is wasted blowing cold air !   Secondly im wondering if some sort of diverter/guide formed over the qearbox tunnel would divert more of the airflow in a useful direction, instead of heating up the tunnel? Im thinking something formed out of a thin shet of a