I have 2" primaries from Lemons. Didn't have room for a 4" collector, only room for a 3 1/2". Seem fine for me.
smallblock header sizing for NOS
any one seen gains by putting larger tubes on their motor? I have 17/8 on mine. its a big inch23 degree small block on 2 foggers im going to 2inch or possibly 2 1/8any input appreciated
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I was going to get stepped headers from Lemons but since I always run full exhuast I didn't think I would see the benefit from them.
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