I think Im going to hold off on the mufflers for now and invest in some 3.73 gears since it should save me a bit of money...whats the diffrence between 3.73 and 4.10 or 4.30? In my summit magazine the FMS Ring and Pinions all cost the same no matter what ratio you get...also is there anything else I need to complete the upgrade besides the ring and pinions?
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