360 Kline exhaust tip alignment

Any advice for aligning the tips on a 360? I've spent several hours adjusting with the slots and added shims to the stock exhaust bracket/bow piece to try helping with the fore/aft issue but I still can't get it to sit right. Only one side will sit squarely and with it being one piece there's no way to get the other side to fit without knocking the other side out of alignment. The driver side also sticks out about 1/4" further.
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That's what I'm thinking. I can easily move it around, but the 1 piece design prevents adjustments from influencing the opposite side. When I raise the driver side, it lowers the inside tip on the passenger side almost onto the paint. The current alignment in the pic has both inside tips roughly equally spaced off the paint.

 

Thanks for the reply. I've also swapped headers and cats and the rest of the exhaust is still loose. It can be moved up and down easily, but there just doesn't appear to be a sweet spot. I've also shimmed one side of the bow to push the driver side forward/into the car a tiny bit. The fore/aft is to a point I can live with even though it's still off a tiny amount, it's mostly the up/down that needs fixing. If I push up on the driver side from where it is in the pic, it puts the passenger inside tip 1mm or less from resting on the paint, and I think during normal operation it might rub/burn the paint if I torque it down that way.

About to go take another swing at it...

 

Hah, indeed. I got it about 95% by dremeling the slots and using thicker shims on one side of the bow. Hopefully the last time I buy an exhaust without individual tip adjustment.