304 stainless steel true 4 into 1 merge collector for use with 1 7/8 or 2 inch tubing. Made in USA
Includes: Includes one 304 stainless steel collector for use with 1 7/8 inch O.D runners or choose larger collector for use with 2 inch O.D. runners.
Restrictions: Tubing used for inlets should be 16 guage material for a snug fit. It is not recomended that the collector inlets be welded to the header runners. When properly aligned heat will expand material and close any leaks.