why is my exhaust louder when my truck is cold? - Ranger-Forums - The Ultimate Ford Ranger Resource


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  #1  
Old 03-18-2007
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why is my exhaust louder when my truck is cold?

my exhaust sounds awesome for about the first 2 minutes after i start the truck, it has a nice low tone around 2000-2500 rpm. after my truck gets warm my awesome exhaust note dissappears. does anyone know what causes this?
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Old 03-18-2007
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It takes a little while for the cat and the muffler to warm up, when those do they queit things down a bit.
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Old 03-19-2007
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gotcha, the cats must act as pretty damn good mufflers when they warm up because i currently am not running a muffler. thanks for the input.
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Old 03-19-2007
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my truck was always louder on a cold startup and it got loud after i romped on it for a while.
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Old 03-21-2007
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yeap when i had my exhaust done, (nothing big just a 12'' glass pack ) the dude said that the ranger cats take ALOT of the deep tones or loudness out of it. kinda sux..
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Old 03-21-2007
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Interestingly enough, it's your ears that are different and not the truck. It's well documented biologically that our hearing is more adept in the cold than it is when warmer.

This was an adaptation that came about in our ancestors due to the increased predator activity in winter -- particularly wolves -- when game is more scarce.

The extra sensitivity of the ears allowed us time to pray for our sorry butts before being eaten.
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Old 03-21-2007
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^ think he means when the truck gets warmer, not the outside temp....


but thats kinda neat to know
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Old 03-21-2007
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Okay, in the interest of full disclosure: I MADE THAT CRAP UP!

Sorry, I should remember I often explain REAL stuff, lol -- I though people would see it for what it was -- bogus science!
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Old 03-21-2007
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Quote:
Originally Posted by n3elz
Okay, in the interest of full disclosure: I MADE THAT CRAP UP!

Sorry, I should remember I often explain REAL stuff, lol -- I though people would see it for what it was -- bogus science!
Alot of us don't understand half the stuff you explain anyhow....it all sounds bogus!
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Old 03-21-2007
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Ha ha! Very funny!

[writes down l2en on his list of people who will be first up against the wall when the revolution comes...]
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Old 03-21-2007
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haha had me going john... all kinda makes sense ha
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  #12  
Old 03-22-2007
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Quote:
Originally Posted by kdub33
yeap when i had my exhaust done, (nothing big just a 12'' glass pack ) the dude said that the ranger cats take ALOT of the deep tones or loudness out of it. kinda sux..

yeah i hear ya, i wish my truck could always sound like it does before the cats heat up.
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Old 03-23-2007
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John, I like your sense of humor. You use it infrequently enough to catch people off guard, including me. Thanks for the laugh.
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Old 03-23-2007
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well....just cut the cat off...haha...
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Old 03-23-2007
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Oh, that poor cat...or just feed it cat food from Walmart and it might die...
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Old 03-23-2007
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haha now dont talk bad about wal mart.... cuz i work there! ha not that i care or anything haha.
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