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.
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
Fits 1965-1968 Pontiac A-Body vehicles with 389/400 V8 engines. Fits Only with Manifold Castings 9779032-D/S and 9779328-P/S.
Installation Notes:
Fits 1965-1968 Pontiac A-Body vehicles with 389/400 V8 engines. Fits Only with Manifold Castings 9779032-D/S and 9779328-P/S.
About Flowmaster
Manufacturer of performance exhaust systems, mufflers, performance air intakes, turbo boost modules, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off-road, Jeeps, SUV’s, classic muscle cars, powersports vehicles and more. Flowmaster® gives you lots of exhaust choices with 12 designs of chambered mufflers, 3 styles of our exclusive “laminar-flow” mufflers and a new line of FlowFX “straight-through” performance mufflers, along with 5 sound categories of exhaust systems, giving you the customer, the power to custom tailor the sound of your vehicle whether you prefer mild, moderate or aggressive tones and sound levels. Since 1983, Flowmaster is the company you can trust, and has led the industry in offering only the best products you can buy for your vehicles.
Vehicle Fitment:
The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
| Make |
Model |
Years |
Engine |
Fitment Notes |
| Pontiac |
GTO |
1965 |
6.4L / 389 / V8 |
Fits Only with Manifold Castings 9779032-D/S and 9779328-P/S. |
| Pontiac |
GTO |
1966 |
6.4L / 389 / V8 |
Fits Only with Manifold Castings 9779032-D/S and 9779328-P/S. |
| Pontiac |
GTO |
1967 |
6.6L / 400 / V8 |
Fits Only with Manifold Castings 9779032-D/S and 9779328-P/S. |
| Pontiac |
GTO |
1968 |
6.6L / 400 / V8 |
Fits Only with Manifold Castings 9779032-D/S and 9779328-P/S. |
| Pontiac |
LeMans |
1968 |
6.6L / 400 / V8 |
Fits Only with Manifold Castings 9779032-D/S and 9779328-P/S. |
| Pontiac |
Tempest |
1968 |
6.6L / 400 / V8 |
Fits Only with Manifold Castings 9779032-D/S and 9779328-P/S. |
