i dunno how cheap the piping market is for everyday use but general stainless steel welded piping right here.

http://www.ryerson.com/stocklist/

if anyone can find something better and at san fancisco, please resply to this mail, even better, dont like the size, screw around with the search of Ryderson steel, you'll have fun.

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71 dodge dart custom

1988 Honda Civic ((Because racecar))

2005 VW Jetta

1963 AMC Rambler American 440