It is welded. but not sanded smooth.

It took a lot more work that I thought it would.

IMG_7129 by Flipper_1938, on Flickr

Still have to weld up the EGR hole and the purge solenoid hole
IMG_7130 by Flipper_1938, on Flickr

It's the cat's a$$
IMG_7131 by Flipper_1938, on Flickr