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Jeff396 Jeff396 is offline
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Join Date: Jan 2009
Posts: 128
Will deleting secondary cats throw a code???

Hi all,

I'm finally getting around to fixing that ever so annoying rattle I have in my exhaust. It looks like the material in one of my secondary cats is loose. I hear it when I goose the motor from idle, when accelerating and when I let off on the throttle to down shift. I'm either going to gut the secondary cats or put in cat delete pipes. My question is will this cause me any problems with throwing codes??? I currently have the stock primary cat/headers and am running a Borla exhaust. My car sounds like a rattling POS and I just can't stand the embarrassment any more. On a good note.....you don't often hear the rattle from inside the car

Thanks!

Jeff
Old 02-21-2012, 04:46 AM
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