PrecisionH23a

Im about to have a 3" exhaust made, can you tell me which mandrel bent 3" piping you guys ordered? I need to know which ones to order (45 degree, 90 degree, U-bend, length of 3" straight pipe) and how many of them i should order to have my 3" exhaust and downpipe made (i'm using a drag gen 2 manifold). Ive already gone under my car and taken measurements, feed back from anyone that has this done already is always a good thing to have though. Thanks in advance, i plan on ordering through jcwhitney.com or roadraceengineering.com.