came across this video after someone pointed me towards Fast2dr on youtube. he has a set of pacesetter longtubes on his 5.3 swapped 2dr hoe, p/n: 70-2265. they fit nbs 99-07 4wd trucks and seem to fit nicely.

here is the video:
https://www.youtube.com/watch?v=fZ_0...ZVfwh0&index=8