Manufacturing Authentic Products For The Restoration Industry

3890689 - 1967-72 Chevrolet; Exhaust Pipe Extension; Big Block; 2-1/2" O.D.

3890689 - 1967-72 Chevrolet; Exhaust Pipe Extension; Big Block; 2-1/2" O.D.


$15.99 ea


WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

1967-72 Chevrolet; Exhaust Pipe Extension; Big Block; 2-1/2" O.D.

Reproduction short extension pipe which slips in between the exhaust manifold & the main header pipe and supports the exhaust pipe packing gasket. This item is manufactured in stamped steel replicating the original in quality and fitment Fits various GM Big Block applications.

Additional Information
  • Recommended: Use part # TF700371 for exhaust flange 2-1/2" gasket.
  • Technical Specifications: Measure 1-13/32" O.L. x 2-1/2" O.D.
Chevrolet Applications:
  • 1965-1972 Chevrolet Corvette (big block)
  • 1967-1970 Chevrolet Camaro (big block)
  • 1967-1970 Chevrolet Impala (big block)
  • 1967-1970 Chevrolet Bel Air (big block)
  • 1967-1970 Chevrolet Biscayne (big block)
  • 1967-1970 Chevrolet Caprice (big block)
  • 1971-1972 Chevrolet Pickup Truck (big block)
  • 1971-1972 Chevrolet Suburban (big block)
  • 1971-1972 Chevrolet Blazer (big block)
  • 1967-1970 Chevrolet Chevy II / Nova (big block)

GMC Applications:
  • 1971-1972 GMC Pickup Truck (big block)
  • 1971-1972 GMC Suburban (big block)
  • 1971-1972 GMC Jimmy (big block)

Product Specifications

Shipping Dimensions
  • Weight: 1 Lb
  • Dimensions: L: 4" x W: 4" x H: 2"
  • Ship Type: Standard |
Additional Information
  • Recommended: Use part # TF700371 for exhaust flange 2-1/2" gasket.
  • Technical Specifications: Measure 1-13/32" O.L. x 2-1/2" O.D.
Emissions Compliance
  • Not Applicable: Emissions control do not apply.
Product Information
1967-72 Chevrolet; Exhaust Pipe Extension; Big Block; 2-1/2" O.D.

Reproduction short extension pipe which slips in between the exhaust manifold & the main header pipe and supports the exhaust pipe packing gasket. This item is manufactured in stamped steel replicating the original in quality and fitment Fits various GM Big Block applications.

Additional Information
  • Recommended: Use part # TF700371 for exhaust flange 2-1/2" gasket.
  • Technical Specifications: Measure 1-13/32" O.L. x 2-1/2" O.D.
Chevrolet Applications:
  • 1965-1972 Chevrolet Corvette (big block)
  • 1967-1970 Chevrolet Camaro (big block)
  • 1967-1970 Chevrolet Impala (big block)
  • 1967-1970 Chevrolet Bel Air (big block)
  • 1967-1970 Chevrolet Biscayne (big block)
  • 1967-1970 Chevrolet Caprice (big block)
  • 1971-1972 Chevrolet Pickup Truck (big block)
  • 1971-1972 Chevrolet Suburban (big block)
  • 1971-1972 Chevrolet Blazer (big block)
  • 1967-1970 Chevrolet Chevy II / Nova (big block)

GMC Applications:
  • 1971-1972 GMC Pickup Truck (big block)
  • 1971-1972 GMC Suburban (big block)
  • 1971-1972 GMC Jimmy (big block)


  • Product #:
  • SHIP TYPE:
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

This product fits the following vehicle applications. Click to view individual years.

Shipping Dimensions