I've beat on my axles for 2 years now without any issues.. running anywhere from 302whp to 365whp depending on the tune and boost at the time.
I dont run it at the strip... but I do get pretty rough with it.
[B]1951 McCormick FARMALL M
2007 MINI Cooper S Turbo... new project car
1998 Chevy 3500 Ext cab, long bed, 4x4, duelly, turbo diesel
2004 Harley V-Rod.... sex on wheels
2011 Harley Electra Glide Ultra Limited