Hedman Collector Reducer - 2-1/2 in Inlet/Outlet - 3 Bolt Flange 110004 they are OD ground for

they are OD ground for consistency and black-oxide finished with laser-etched length and part number for easy identification

3L engines

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inner sleeves

Hedman Collector Reducer - 2-1/2 in Inlet/Outlet - 3 Bolt Flange 110004 they are OD ground forWeld To Your Exhaust System, Then Bolt Up Your Headers. Mild Steel Construction Made In The USA! Sold In PairsHedman Hedders, began as a one man shop in 1954. Bob Hedman, founder of Hedman Hedders, sold his highly sought after exhaust tubes to fellow racers on the salt flats of the Mojave Desert. But, what started out as a way to make a few bucks to pay for Bobs racing hobby, quickly turned into the premier hedder manufacturer for both the racing and