Damn boys i put R13 or whatever on the prius since i have a roll for my garage door i'm doing. Slapped it on and heat retention is massively improved. with a upper and lower grill block and a header air intake i'm basically back up to summer gas mileage around town with the automatic heat on as well.
i used a piece of 3.5" thick by 48" long and i think 18 or 24" thick. so like 4$ worth
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"I feel like the bad decisions come into play when you trade too much of your time for money paying for things you can't really afford."
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