[ratpiper71T]

The heater tunes for lwb's are different thanthose for swb's. They are like a flexible mesh dryer hose- there's an idea maybe something from the hvac department of your local hard ware store. Maybe you could find something identical. I would place a want to buy add ont he used parts forum. Plenty of folks have removed their heater tubes to make race cars. Just require pics first to make sure they're usable and correct.