I have 2 aluminum tubes 3.75ID x 72" that I did not use in my KR. They would make nice 3.5 gallon aux tanks for someone running a header tank. $25 each. If your near I70 from KC to Baltimore I can meet you Sept 17 or 18 as I will be running that route. Shipping probably would be to expensive.
Craig www.kr2seafury.com