Re: Help with identifying GM P/N's
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.
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