Help with identifying GM P/N's

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**69L78** · #1 06-09-2012, 09:50 PM

Can someone help identify these GM part number's and know the year when these numbers would have superceded?

**Mr70** · #2 06-09-2012, 10:57 PM

They're sidepipes w/mufflers for a 1969 Corvette w/427cid. w/side mounted exhaust.
#3979480 is R/H,and replaced the original assembly line pipe,#3949184 on July,1970.
#3973871 is L/H,and replaced the original assembly line pipe,#3949183 on April,1970.

**69L78** · #3 06-10-2012, 12:17 PM

Thanks Rick

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