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Flowmaster Manifold Downpipe Kit for Pontiac

Part # 81073

  • 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

Description

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-inch 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.

Specifications

2WD/4WD2WD
Bend TypeMandrel
Clamping TypeFlat Band
Clamps IncludedNo
ColorSilver
FinishNatural
Flanged InletYes
Flanged OutletNo
Gasket Or Seal IncludedNo
Grade TypePerformance
Hanger IncludedNo
Heat Shield IncludedNo
Inlet Attachment TypeBolt-On
Inlet Diameter2.25 in
Main Piping Diameter2.50 in
MaterialStainless Steel
Mounting Bracket IncludedNo
Outlet Attachment TypeWeld-On
Outlet Diameter2.50 in
Outlet Inside Diameter2.37 in
Outlet Outside Diameter2.50 in
Pipe Diameter2.50 in
Quantity1 Pair
ShapeDownpipe
Single DualDual
UPC / GTIN00700042030064
WarrantyManufacturer's Limited Lifetime Warranty

Fits these vehicles

YearMakeModelSubmodelEngineNote
1965 - 1966PontiacGTOBase6.4L V8Fits Only with Manifold Castings 9779032-D/S and 9779328-P/S.
1967 - 1968PontiacGTOBase6.6L V8Fits Only with Manifold Castings 9779032-D/S and 9779328-P/S.
1968PontiacLeMansBase6.6L V8Fits Only with Manifold Castings 9779032-D/S and 9779328-P/S.
1968PontiacTempestBase, Custom, Safari6.6L V8Fits Only with Manifold Castings 9779032-D/S and 9779328-P/S.