This is the hole that runs down the cross frame rails that you stuff the 3 inch exhaust pipe into. I have been told that if you remove the silicone rings that are attachet to two of them you can get 3 1/2 pipe through them. Just what I have been told.
No portion of this page, text, images or code, may be copied, reproduced,
published or distributed in any medium without the expressed written permission
of the copyright holder.