I saw a thread probably over a year ago where someone was using a laser, or plasma to cut tubing and pipe. He had done some real tight radius pie cut bends. He also had a collector he had made.

If you know the thread I am talking about and know who it is let me know. Or if you have the capabilities yourself PM me.

 

https://honda-tech.com/forums/showth...ight=brewspeed

 

brad @ brewspeed. i'm placing an order with him today for some collectors.

 

http://www.maperformance.com/maperfo...-map-fab1.html

may not be cnc, but i have bought some and they are really really nice and accurate

 

what are you doing that needs to be this tight?

 

i've always used donuts, seemed to be the tightest bends i could possibly get, used to get them from stainless works, but their site has changed all around. here's examples:
http://secure.chassisshop.com/partlist/6206/

 

donuts are nice, but holy crap, 200$ shipped for a 3in donut????

im telling you the pie cut bends from maperformance are really nice. they also polish the inside and outside of the pipes.