Aside from the turbo failing, I can't help but notice there's no bead on that IC pipe. There's supposed to be a bead rolled around the lip so that when you use a clamp on the coupler, it won't slip past the end of the pipe. I made a lower IC pipe from a straight piece of exhaust pipe a few years ago to bypass a silencer box on my DSM. It worked for a few months, but once the blown-by oil from a good turbo got to it... I'd blow that pipe off every time it hit 14 PSI.

As for the oil in the IC pipes, there could be a few things causing it. Most likely it's a failing bearing on the turbo's center section. Check the turbo for shaft play by wiggling it with your finger, and also making sure it spins freely. If the car is blowing smoke under boost, that's a good sign of how bad the turbo's condition is. A little blow-by is okay, but a lot will make it smoke. Even with a healthy turbo, it's a good idea to periodically remove the IC pipes and clean them as well as the inside of the intercooler. Oil and funk will still pool in the lower points of the intake system. If he's had the turbo on the car for over 10k miles, it could be normal and just needs some minor cleaning. If he just put it on, there's a problem.

If you want to test the intake system to see if whatever changes you made to the pipes prevent them from blowing apart, do a search for "boost leak testing" in the DIY forum. I did a write-up on this kind of maintenance with photos and shtuff. Aw hell... here it is... I found it for you.

https://www.honda-acura.net/forums/s...d.php?t=148666