This Vibrant 4-into-1 merge collector is constructed from 16 gauge 304 stainless steel with precise fabrication and back-purged TIG welds, ready to weld out of the box. It features 2.50 in. inlet I.D., 4.00 in. merge O.D. and 4.50 in. outlet O.D., with hand porting to encourage unobstructed exhaust flow for custom header and exhaust work.
Vibrant 4-1 Merge Collector 2.50in Inlet I.D. Merge O.D. - 4.00in Outlet O.D. - 4.50in