I know this has been covered a few times but i cant seem to find the info that I researched a while back. Im thinking of running rams horn manifolds fed into a 2 1/4 or 2 1/2" y-pipe system then having it go into 3" single all the way back.
Is it better to go 2 1/4" or 2 1/2 " till it comes together basically i need to know what size reducers/collectors to buy.
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