those work on schedule pipe sizes, but not tubing sizes. for example, 2" sch 40 pipe is 2-3/8 OD. you might be able to buy dies for tubing sizes, though.
also, check out Harbor Freight - i think that exact same thing is under $100 from them.
That one is a pipe bender as said above, and HF is much cheaper especially with the 20% OFF COUPON. A tubing bender is much more expensive. Dies are sold seperately. You will also need a tubing notcher. HF has a cheapo that works although not great. http://vansantent.com/model_3_bender.htm http://www.pro-tools.com/105.htm
I have a Pro-Tools set up full hydro and am happy with it, but it is cheaper just to buy a Monster Tower and be done with it. http://www.monstertower.com/
i second the monster tower but when we buil mine we used a powered electrical conduit bender with 2' tubing. we rented it for 75.00 for the day. the rental place had two types with diferent sizing. i cannot remember if the one we used said emt on it or the one we didn't take. those benders make a little more progressive bend since aluminum will flatten on one side and split on the other if using muffler shop bender. some guys will just use 2 inch exhaust pipe and get bent at muffler shop.
Thanks for the info. Why do I need a tubing notcher? Does any one make a 3" version, I do a lot with imports and custom turbo setups so one that can do 3" as well would be great. thanks for everyones help!
Isn't muffler pipe really thin? It doesn't seem like a suitable material to make a tower from.
Brandon: the reason you need a tube notcher is so that you can have one piece of pipe join another at 90 degrees. You need to notch the end of one pipe so that it matches the curve of the other pipe.