Quote:
Originally Posted by LTb1ow
The trunk floor pan is something I have given thought too, but again worry about drafting fumes. If ass of car is like boats, running a genset on back deck of boat even underway will kill owners.
And Chris, its not getting air into the cabin, its getting air out of the cabin.
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I get it but my thought was if you are at speed, the air flowing under the car will be enough to pull it away avoiding the low air pressure from the back of the car. The end of the duct would need to be low enough to make that work.
I agree if the exit was right at the back bumper, that would be no bueno as the air pressure is low in that area. See pic below.
I'd guess on your car, the air pressure is light right behind the bumper (reason why we get smootz from exhaust there when our LTx's hate life). Below and closer to the rear, I bet there is a good amount of flow.