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Double Bubble Foil Insulation
Double Bubble Foil Insulation
This double bubble foil insulation is the main DIY hack in the video. I wrapped my exhaust hose with it and confirmed with a thermal camera that the hose surface temp dropped dramatically—my bare hose was about 130°F, and insulated it stayed under ~80°F.
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Pros
- +Big reduction in hose surface temperature in my testing
- +Cheap and easy to cut and wrap around the hose
Cons
- -Needs tape or fastening to stay snug and sealed
- -DIY look isn’t as clean as a pre-made cover
