Dorman makes an improved part that isn't as prone to cracking for under $250. I've installed many of them. Not a bad job and really the only solution other than headers. Welding a cracked manifold is probably not going to last long enough to make it a worthwhile repair.
2012 Silver Sport S, Silver, 6 speed, soft top, 3.73s, LSD, PCG, Infiniti, deep tint windows, Pro Comp 1028 wheels, 33" Duratracs, Smittybilt bumpers and steps, KC fog lights, Mopar slush mats and fuel door.
Happiness is a belt fed weapon.