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64-81 Pontiac 2.5" Downpipes w/HO-RA 2 & 3 Bolt Flanges DGA20S23

Pricing: $167.31


These 16 gauge Stainless Steel Mandrel Bent downpipes fit directly onto factory cast iron Manifolds. For HO or Ram Air applications. Includes one 2 bolt and one 3 bolt flange. 

Please verify the bolt hole pattern your manifolds have before purchasing these downpipes. (1) 2 bolt and (1) 3 bolt flange will be DGA20S23 and (2) 3 bolt flanges will be DGA20S33. Some manifold manufacturers are no longer differentiating flanges based on the year.

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Shipping Information

  • Item Requires Shipping
  • 15.0 lbs.
  • W53.0000” x H7.0000” x L13.0000”


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