RV Exhaust Extension for LSU tailgating

DON't use pvc.....saw one catch on fire once....

Get light metal pipe
Conduit. Fence post
2" should be more then enough diameter

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I saw someone with a downspout with a 90 at the bottom to receive from the generator exhaust pipe.

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That's what I have. My main concern is that the fit won't be right. Additionally, I'm attaching the 90 d elbow to the downspout with a set screw coupler, which will be relatively airtight. Most designs I see have a gap between the elbow and the downspout to allow for air to inflow to cool and dilute the fumes. Do you think that will be an issue?

ETA: Also, the downspout I have is a 10' downspout that's a little heavy. Worried about the weight a little. I'm not sure if the RV we're renting has a generator exhaust support-bar underneath it or not.

Nope
Thats fine
Ya need an air intake at
Bottom

Get sum suction cups for the bungees

Here you go

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Nope
Thats fine
Ya need an air intake at
Bottom

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Thanks! Good to know. I believe there should be a little air intake between the exhaust and the 90 d elbow. They're also connected with a set screw coupler, but it's a 1.5", which I think will be bigger than the exhaust and allow some roof for airflow.

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Suction cups

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I knew I was forgetting something. I've heard you could maybe attach it to the rain "gutters," but again, it'd be safer to have the suction cups ready to go.

They aren’t air tight. You’ll be fine if you just slip it over and bungee that bad boy to the side if the RV.

You will be compensated with the finest burgers and beers we have for lending us an RV exhaust. The only requirement is you have to say "what chu cookin??" when you first stop by the tailgate.

seems like a DIY version would be pretty easy to rig together. Just don't make the vertical pipe too wide and you should be fine. A 4" vent pipe should work fine.