[crakarjax]

Originally Posted by Cbo

That's kind of what I'm getting at:

"Designed to work with stock crossmembers" and "will not work with aftermarket crossmembers" are two different things.

If it can be bolted on to a low profile one like porterbuilts,with its exhaust route already accounted for, I would rather install it that way.

I don't think there exists an aftermarket crossmember that doesn't afford more flexibility than stock; if a system works with the stock crossmember, it will almost certainly work with an aftermarket.