4" to 3.5 Inch Exhaust Reducer, 3 1/2" Reducing V-Band Assembly Flange and Clamp Connector in Stainless Steel

L5p duramax

Perfect fit! Replaced the necked down 3.5" down pipe to the 4" exaust

Reducing V band

Appears to be of the best quality very please, should Tig weld nicely.

High Quality V-Band

Thanks guys, awesome Quality V-Band exactly what I needed for my LS1 Turbo race car , Dump pipe to side exit race pipe,big thumbs up 👍