Headers and manifolds differ in design and function. Long tube headers, shorty headers, and exhaust manifolds each have their pros and cons regarding performance and application.

Exhaust Manifolds VS Headers | How Much HP Do Headers Add

See how to install 3" Ram Horn exhaust manifolds on a C/10 with a 406 engine. Learn some tips on welding steel tubing to a cast iron manifold and how they are modified to fit the truck.

Installing 3" Ram Horn Manifolds on a C/10

The history behind the Edelbrock Slingshot Intake Manifold for a Flathead Ford V8 engine. Learn why it was designed and how you can add it to your hot rod as a conversation piece.

Edelbrock Flathead Intake Manifold

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.

Replacing GM Rear End Spherical Bushings

Engine Family Facets

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Firebird Pontiac Iron Duke Headers and Exhaust Manifolds

Firebird Pontiac Iron Duke Headers and Exhaust Manifolds | Speedway Motors

Shop Firebird Pontiac Iron Duke Headers and Exhaust Manifolds and get Free Shipping on orders over $175 at Speedway Motors.

Hedman Hedders 99410 Standard Uncoated Headers, GM 2.5 Liter

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Header Tube Type

Exhaust Port Shape

Color

Gasket(s) Included

Hardware Included

Gaskets Included

Material Type

Flange Thickness

Primary Tube Gauge

Flange Style

Catalytic Converter(s) Included

Weld-Up

Tuned

Bolts Studs Included

Crossover Pipe Included

Collector Reducers Included

Collector Diameter

Primary Tube Diameter

Finish

Collector Reducer Exit Diameter

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GTIN Code

Notes

Long Tube Header Tube Type, Round Exhaust Port Shape

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Hedman Hedders 99410 Standard Uncoated Headers, GM 2.5 Liter