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- - Exhaust (https://www.chevyhhr.net/forums/2-0l-performance-tech-46/exhaust-21455/)

Michael20832

Feb 19, 2009 08:19 PM

Exhaust

Anyone know the stock diameter of the exhaust is?

AaronSS

Feb 19, 2009 09:04 PM

2.5"

esmarkey

Feb 20, 2009 08:47 AM

ya, but it's much larger before the cats. I would guess 3", but did not measure.

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