I was just going to post that one.
I just searched and ordered it, qtp 11300, i have a 3" dmh cutout.
Ordered a gasket as well just in case ( VPE-1463 )
Order from summit, great price, it seems it swivels as well which is cool, and stainless for $23 bucks.
2001 C5 Vert a4, LG Long Tubes, high flow cats, B&B PRT cat back.