I'd be interested as well. I replaced my resonator/H pipe section with a X pipe and it hits occasionally. Thought about putting a couple washers on there but if you did this for the right price, I'd be interested. I like the look of yours better, lol. The added tunnel rigidity is a bonus.
2010 Black 2SS/RS A6
Halltech Yellowjacket fed
Kooks LT's/ Dynomax VT
I once parallel parked a train.