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ncracer1st
01-11-2018, 08:29 PM
What header are best on 602? 1 3/4 or 1 5/8-13/4 stepped, 3 inch or 3 1/2 collector?

UltimateRaceCars
01-12-2018, 08:49 AM
1 5/8" with 3" collector