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Discussion Starter · #1 ·
okay well i have a borla catback exhaust
and i realized that my exhaust is a lot louder when its cold outside like at night and really quiet when its hot out in the day...

is that suppose to happen?! and why is that!?
 

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The gases will flow differently at different temps so they will also sound different.
 

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Discussion Starter · #3 ·
[quote author=prototype99 link=topic=136908.msg2951456#msg2951456 date=1235191744]
The gases will flow differently at different temps so they will also sound different.
[/quote]

oh really? haha
because i think my exhaust sounds so much better at night
and it just pisses me off when driving in the afternoon because its so much more quieter.

good thing it wasnt some leak or osmething because i thought there was something wrong with my exhaust
 

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If you want to check for a leak just fill up a squirt bottle with soap and water and spray it on the connections while the car is running. If it bubbles then you have a leak.
 
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