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Re: 307 low end torque loss from dual exhaust?
I'm looking at Hooker comp headers with 2.5 collector and the Hooker exhaust system for the comps. The header primaries are 1 5/8 by 27 inches long. What do you consider huge primaries?
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1968 C-10 longbed, 307 V8, 4spd- currently under construction  
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