[rdorman]

My Cobra did not have enough room behind the dash for the heater. What I ended up doing is having it mounted on top of the passenger side footbox and plumb the heat into the car. This way we lost no foot room and the heater all but tucks up under the fender so it isn't very noticiable. One of these days I will get around to running a fresh air duct from the front through the wheel well to the heater and then encase the unit in aluminum using AN bulkhead fittings where the water lines connect (purely for looks of course!). This will give it a bit of bad weather protection even though the only time the car see's rain is if I get caught.