yep, why wouldn't they be? headers are made to efficiently remove exhaust gases from an engine. whether the engine is a I-4,5,6,8 or a flat 4 or 6 or a V-twin,4,6,8,10,or 12 makes no difference.
-Bret
i think i am kinda being silly even askin this question but are V6 headers > real?
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