Its my understanding that when the gas leaves the manifold hot it can go through smaller spaces thus you can go from say 2" to 2.5" as the gas cools down it expands...
Not sure how true this is but that's what heat wrap on heaters dose, keeps em hot to the gas moves faster...
Someone correct me if I'm wrong?
Luke
Hot shit is usually more expanded
Thats why they tell u to keep deoderant outta the sun
Originally Posted by Lukezen27
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