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I believe 451s are - 1” and 7/8. Vs 2” on the d452.
Damn good point.
Dammit. I found a good 451 stroker but I can’t afford another pair of dougs with 800 all in. Thanks for info.
Can I bolt my D452 headers to a 400 B motor. They are coming off a 440 RB.
The site calls for a D451 for a 400....
Sounds like 3" is my answer. I'm thinking magnaflow for mufflers. I appreciate the info guys. I kinda felt like he was pushing back pretty hard...
I'm ready for exhaust. I have 69 coronet with a approx 500 hp 600 ft lb. 440. Doug's headers. I saw frieburgers hot rod garage about 3" vs...
My 9523 clocked away from my Doug's headers and wrapped in heat blanket works great!
Look at the powermaster 9523. It's adjustable.