Installing Tomei Type D Exhaust tomorrow. Any tips?

[Benjilis]

I will be installing the exhaust myself on jack stands and dyno ramps.
The main questions I have is how to best align the tips so they don't touch plastic and will I have to re-adjust after some driving?
Also, I know you can tuck the exhaust flap sensor to the side. However, I don't want rain to get to it when driving and damage the sensor if it's ever used in the future. What's the best way to protect it?
Final question, will I get a code when removing the sensor?
Thanks!

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[nibble]

you may already know...

you could use lubricant or WD-40 for rubber packing. also, when I had to lower the subframe, I had to take muffler out of retainers off the rubber packing but that would have stressed connectors of downpipe and other components connect to it. I used wire hangers to hang exhaust temporarily so it doesn't stress connected components.