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81073 - Flowmaster 81073 Manifold Downpipe Kit Image
Flowmaster

Flowmaster 81073 Manifold Downpipe Kit

Part # 81073 Be the first to write a review

Compatible with 1965-1968 Pontiac GTO, Tempest, Lemans.

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Flowmaster 81073 Manifold Downpipe Kit

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Est. Ship Date: 10/30/2026

$311.95
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These Flowmaster manifold downpipes are specifically designed for all 1965-1968 Pontiac A-Body vehicles with either a 389 or 400 c.i. Pontiac engine and are manufactured from 2.50 in. mandrel-bent 409S stainless steel tubing with high quality flanges. These Only fit with manifold castings 9779032-D/S and 9779328-P/S and include the factory 2-bolt flanges. Covered by our Lifetime Limited Warranty.

Features:

  • Mandrel-bent 16 Gauge Stainless Steel Tubing
  • To Adapt Exhaust to Factory Manifolds
  • Large 2.50-inch Manifold Downpipes
  • Stainless Steel Construction
  • Lifetime Limited Warranty
  • Flowmaster Quality
  • Includes Hardware
  • Easy Installation
Brand Flowmaster
Emission Code3
Product TypeDownpipes
WarrantyManufacturer's Limited Lifetime
UPC700042030064
Manufacturer Part Number81073
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number81073
3

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
Warranty for Part# 81073
Fits 1965-1968 Pontiac A-Body vehicles with 389/400 V8 engines. Fits Only with Manifold Castings 9779032-D/S and 9779328-P/S.
Manufacturer's Limited Lifetime: See Details
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    *Free Shipping & Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.