first gen or 2.5 inch cummins hood stack

this hood stack will fit cummins trucks with a 2.5 inch v band flange it is made out of 2.5 inch stainless tubing PLEASE MAKE SURE TO MEASURE YOUR V BAND OUTLET ON THE BACK OF THE TURBO AND CHECK FIRE WALL CLEARANCE. you will need 4 inches of clearance. this will fit as long as it has an outer diameter of roughly 3 inches and an inner of roughly 2.5 inches.