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**truckster** · 02-13-2021, 05:46 PM

I used 2.5 rams horn manifolds and tied into the existing exhaust where the header collector was. I used 2.5 inch steel tube from Summit and welded it up myself. It was a pretty easy fit, but I did have to cut and weld the tube at one point to change the angle of a bend.

02-13-2021, 05:46 PM	#10
truckster Senior Member Join Date: Jan 2001 Location: Orem, Utah Posts: 7,799	Re: 1972 C20 4-speed Header/Manifold Question I used 2.5 rams horn manifolds and tied into the existing exhaust where the header collector was. I used 2.5 inch steel tube from Summit and welded it up myself. It was a pretty easy fit, but I did have to cut and weld the tube at one point to change the angle of a bend. __________________ I have sworn upon the altar of God, eternal hostility against every form of tyranny over the mind of man. - Thomas Jefferson