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Flowmaster

Flowmaster Manifold Downpipe Kit

Part # 81071 Be the first to write a review

Fits 1965-1974 Chevelle/El Camino, 1967-1972 Camaro, 1968-1969 Nova, 1968-1970 Caprice/Impala/Bel Air, 1970-1974 Monte Carlo all with BBC engines and original factory manifolds.

Flowmaster Manifold Downpipe Kit

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$243.95
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Emissions

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

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This Flowmaster manifold downpipe kit is specifically for 1965-1974 Chevelle/El Camino, 1967-1972 Camaro, 1968-1969 Nova, 1968-1970 Caprice/Impala/Bel Air and 1970-1974 Monte Carlo all with BBC engines. They are designed for the person who wants to use a Headers-back exhaust system while retaining the factory exhaust manifolds instead of headers. Manufactured from 2.50-inch mandrel bent 409S stainless steel tubing and high quality flanges for a leak free fit and an easy installation. Fits factory Chevrolet BBC 3-bolt manifolds. Includes donut gasket and donut sleeves.

Features:

  • Fits Chevrolet Big Block Manifolds for GM A-Body, B-Body, F-body
  • 2.50-inch Mandrel-bent 16 Gauge Stainless Steel Tubing
  • Pipes Designed to be Used Without Heat Riser
  • Flowmaster Quality
  • Easy Installation
Bend TypeMandrel
Brand Flowmaster
CategoryExhaust
Clamping TypeFlat Band
Clamps IncludedNo
ColorSilver
Emission Code3
FinishNatural
Flanged InletYes
Flanged OutletNo
Gasket Or Seal IncludedYes
Grade TypePerformance
Hanger IncludedNo
Inlet Attachment TypeBolt-On
Inlet Inside Diameter2.87 IN
Inlet Outside Diameter3.00 IN
Main Piping Diameter2.50 IN
MaterialStainless Steel
Material Gauge16
Mounting Bracket IncludedNo
Outlet Attachment TypeClamp-On
Weld-On
Outlet Inside Diameter2.37 IN
Outlet Outside Diameter2.50 IN
part typeExhaust Manifold Down Pipe
Pipe Diameter2.50 IN
Product TypeExhaust Accessories
Quantity1 Pair
ShapeDownpipe
Single DualDual
Sub CategoryExhaust Manifolds
System TypeDownpipe Kit
Tubing Diameter2.50 IN
UPC700042025756
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number81071
3

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) 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


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
Instructions - 81071.pdf
Instructions - fm_warranty_general.pdf
Fits 2.50-inch factory BBC manifolds for 1965-1974 Chevelle/El Camino, 1968-1969 Nova, 1968-1970 Caprice/Impala/Bel Air, 1970-1974 Monte Carlo all with BBC engines and original factory manifolds.

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