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Vehicle Info NeededFLOWMASTERPART NUMBER: 389-81068
Manifold Downpipe Kit Small Block Chevy 1964-1981 Chevy A-Body
$24095
Ships on Oct 08, 2026
Lowest Price GuaranteeSmall Block Chevy
Manifold Downpipe Kit Small Block Chevy 1964-1981 Chevy A-Body 1967-1981 Chevy F-Body Inlet: 2" Outlet: 2.5"
FLOWMASTER MUFFLERS 81068 Features:
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.- Fits Chevrolet Small Block Engines in GM A-Body and F-Bodies
- Mandrel-bent 16 Gauge Stainless Steel Tubing
- Designed to be Used Without Heat Riser
- To Adapt Exhaust to Factory Manifolds
- Large 2.50-inch Manifold Downpipes
- Flowmaster Quality
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Part TypeExhaust Tubing
BrandFLOWMASTER
Package Height9.2
Package Width16.0
Package Length38.0
Weight15.7 PG
Part CategoryPerformance Parts
Hardware IncludedYes
Tubing FinishNatural
ShapeDownpipe
Center Line RadiusN/A
Tubing MaterialStainless steel
Main Piping Diameter2.50 in.
Gauge16
Mounting Bracket IncludedNo
Gaskets IncludedYes
Leg/Straight LengthN/A
Inlet Attachment TypeBolt-On
Inlet Outside Diameter2.50 in.
Clamps IncludedNo
Tube Size2.5 in (63.5 mm)
FinishNatural
Outlet Outside Diameter2.50 in.
Tube Diameter2.5 in (63.5 mm)
Hanger IncludedNo
Clamping TypeFlat Band
PositionN/A
Flanged OutletNo
Gasket Or Seal IncludedYes
Pipe Diameter2.50 in.
Mandrel-BentYes
ColorSilver
System TypeDownpipe Kit
Quantity1 Pair
MaterialStainless Steel
Bend AngleN/A
Outlet Attachment TypeClamp-On
Outlet Inside Diameter2.37 in.
Inlet Inside Diameter2.37 in.
Flanged InletYes
Tubing Diameter2.50 in.
Part FitmentSemi Universal
Outside Diameter2.5 in (63.5 mm)
Catalytic Converter IncludedNo
Vendor Part Number81068
Package Qty1
Package TypeEA
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