looking for 2d rollcage

i would like to find one taht is for sale. but is no one out there makes one then i am all for making my own. i know how to weld and can get a bender and the right tube. just want to see if i can buy one and maybe later mod it to what i want.
thanks ben

http://www.tandjperformance.com/
http://www.tennesseeoffroad.com/
http://www.performanceutilityvehicles.com