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1970-1972 Corvette C3 Stainless Steel Exhaust Extensions

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Item ID: 603-522
GM Part #: 3974659
3974660
Availability: Out of Stock
Fits Years:
  • 1970-1972
$69.99
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  • Description

1970-1972 C3 Stainless Steel Exhaust Extensions - OEM Number(s) (3974659,3974660)

These Stainless Steel Corvette Exhaust Extensions give your 1970-1972 Corvette a showroom stock look and sound that will last for years! Guaranteed to fit and function with your Corvette's stock mufflers or on Mid America Motorworks' reproduction mufflers. Sold in pairs.

Made in the USA!

  • 2" Inlet Pipe 
  • Overall Length 8 3/4"


Also known under these part numbers: (For reference only)

  • 3974659
  • 3974660
  • 686420013181
  • N7023
  • X2002