NIGHTHAWK 750 EXHAUST FUNNELS

I have drilled eight 3/8 inch holes in each. The pipes total length measure 8 1/8 inch long and slide into the interior hole by about 1 3/32 inch. The small end outside diameter is about 7/8 inch the inside diameter is about 25/32 inch. The flare starts at about 5 5/8 inch down and it flares out to about 1 1/2 outside diameter.

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