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Wow, that sounds a bit hairy! You'd need to ensure none of the resulting sworfs ended up in the rack. And if that pipe doesn't really do anything why has GM bothered to put it there? Not trying to start a bunfight, just my natural curiosity.That's only a pressure equalization passage. It's not really needed just tap the holes and put bolts in.
Vehicle manufacturers rule #1That's only a pressure equalization passage. It's not really needed just tap the holes and put bolts in.