Originally Posted by Billy

No, I didn't tune for it. I suppose you could for even better results but then you'd be effecting the performance when the cutout is closed, so it's a toss-up. Personally, I wouldn't worry about it.

I placed mine in the down pipe just before it curves under the firewall and angled straight down towards the ground. But, anywhere in the exhaust that has a straight section as long as the y-pipe that will be welded in will work.