liftedssguy Posted July 16, 2016 Report Share Posted July 16, 2016 (edited) looking to see if anyone has done a cat delete only on stock exhaust (2004 silverado ss) looking for a little more sound and of course more flow..so please share your thoughts or experience on this matter Edited July 16, 2016 by liftedssguy (see edit history) Quote Link to comment Share on other sites More sharing options...
k2l2eve Posted July 28, 2016 Report Share Posted July 28, 2016 when I got the truck the muffler guy welded in a piece of pipe when he put my magnaflows in. the guy before me put "cherry bombs" in for what reason I don't know. I didn't have any issues Quote Link to comment Share on other sites More sharing options...
SS-GTP Posted July 28, 2016 Report Share Posted July 28, 2016 If you do it, don't forget to have someone turn off your rear O2 sensors in the software or your check engine light will be on for loss of efficiency in banks 1 and 2. Quote Link to comment Share on other sites More sharing options...
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