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Astroboy My OCD prevents me from running one can, but I suppose it's possible. One can is better than no can I guess? I would run it on the PCV over the breather for sure since it typically sees the most being pushed through to it.
A small update on the 3" upgrade over the weekend. The install was a piece of cake, relatively. My fear was that I was going to have to drop the turbo and header down off of the car to get the down pipe off, but that's not the case. If anyone else is doing this upgrade, just remove the fender splash shield that your skid plate attaches to and you should be fine. You'll need a small wrench or a crows foot to get at one of the bolts when putting the new down pipe on, but the old one comes off quite easy. Also, you'll need to jack the motor up way more than you would have to for a 2.5" overripe install, but it does go in quite easy. I ended up removing both motor mounts to get it up high enough. And finally, fi anyone is wondering what the tab on the 3" overripe bolts to, it's a header stud. You basically just unbolt the header stud, slide it on, then bolt it back down again. EASY!
The fit and finish is good IMO. The only issue i"m having is that it seems like my exhaust was pushed back very slightly, but it's a Perrin 3" which is adjustable so I'll just need to tweak it a bit.
I'm now running a full 3" setup from turbo back with no catalytic converters or resonators and it sounds UNREAL. It's very deep with very little rasp to it. I absolutely love it. Also, the turbo spools unbelievably quick now. Spool starts at around 2100rpm, and it's instantaneous between shifts. Highly recommended!
Here's a comparison between the two exhausts:
