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Josh S.
for off the shelf heads the Kooks & G-han's seem to do very well. The Hooker/Jet Hot design is good too.
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missed welds
flanged wasn't flat
several primaries had lots of slag
02 bung was misaligned so badly have of the hole was covered up had to drill it out then retap it.
didn't fit correctly with Y pipe cause
O2 will rub on driver side
theres more but I can't remember it was last year.
or is it for restrictions in a certain race class?






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