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      08-09-2014, 05:23 PM   #1
Grapesape
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Drives: 2016 Mineral white m4
Join Date: Aug 2010
Location: Phoenix

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Exhaust sound louder when hot?

I'm running the ESS full exhaust with HFC in Phoenix. It seems quite a bit louder in the afternoon than morning, when hot. Anyone else experience this? The sound quality is the same. It doesn't sound like there's a leak. Any thoughts?
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