Re: 1 3/4" vs. 2" Header Size
FYI, Watson also made 2" headers..
I also understand there are difference lengths, Watsons, Jeal and some Stainless Works are a longer header while I believe Stainless works and OBX sell a shorter header that allows cats to be installed without modifying the cat back
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1990 Corvette ZR-1 #1051
Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback
Late Model IH - Plenum
Coilovers - 4.10s
Shelby Series 1 - Wilwood Brakes
Custom Interior
NCM Lifetime Member #978
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