ok, so I have a dillema: I am fabbing up a downpipe for my Z, and the problem is that since the turbo's ont he wrong side, I have minimal spacing for my external wastegate. It's a tial 44mm unit, so it's not exactly small... The easiest way to do it is to run it from the wastegate runners (i'll have to cut a portion off to angle it the other way and weld on a vband included with the wg) and dump it straight into the downpipe, because of small clearance.
Here you can see the wastegate runner (the part that's pointing towards the bottom of the screen will be cut and rerouted to be straight), no downpipe mockup
downpipe mockup, no wastegate. you can see that I have very little clearance
Here's the world's dirtiest ms paint diagram of how it's supposed to run. So my question is....
Can I just have everything welded straight up, or do I need to put some sort of a tiny flex pipe where the 3" mark is for the wastegate dump pipe into the downpipe? Will there be significant heat expansion to cause cracks and make something break down the road, or can everything be solid stainless steel? (304)