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Flowmaster Manifold Downpipes Chevy BBC 65-74 409S 81071

Flowmaster Manifold Downpipes Chevy BBC 65-74 409S 81071

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Flowmaster's manifold downpipe kits are designed for the person who wants to use a Header-back exhaust system while using the factory exhaust manifolds. Utilizing mandrel bent 409S stainless steel tubing and high quality flange gaskets, Flowmaster's manifold downpipe kits are designed for the perfect leak free fit.

  • Mandrel bent 16 gauge stainless steel tubing
  • 2.50 in. manifold downpipe
  • Chevrolet Big Block, GM A-Body, B-Body and F-Body
  • Pipes designed to be used without heat riser
Fitment
Fits 2.5 inch Manifold downpipes for 65-74 Big Block Chevelle/El Camino/Caprice
Key Feature
Mandrel bent 16 gauge stainless steel tubing
Material
Stainless Steel
Single Dual
Dual
System Type
Downpipe Kit
Tubing Diameter (in)
2.5
California Proposition 65 Required
Yes
Material Gauge
16

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