You can use the stock manifolds, just run two seperate
pipes off them. That is how it is set up on my 472.
--- "Tony D. Cato" <deacon_cato@...
> Hey guys me again...
> On a '73 472 what exaust manifolds can be used to
> convert to dual
> exaust? THANKS!
2000 STS 4.6L Northstar
1994 Sedan Deville 4.9L
1979 Sedan Deville 472
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