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Discussion Starter · #1 ·
I know on most cars, if you cut the Cat, you can expect a slight performance gain. It is pretty common practice up here, as we do not have emissions testings. I have been considering having this done as I suspect it is towards the end of it's life. <p>Will the Volvo start throwing codes and messing up if the cat gets gutted? If so, is there anyway around it?
 

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Put a "cheater" on the rear O2 - a spacer sleeve that moves the rear O2 out of the main exhaust stream thereby altering the reading between front & rear O2's - and as a result, no CEL for cat.<p>IPD's Rallitek division sells it for about 30bucks.<p>It works - I pass NYS inspection (uses OBII readiness - no codes = pass)<p><br><IMG SRC="http://i27.photobucket.com/albums/c190/huseinholland/CarMods/XCV7020G0025.jpg" BORDER="0">img]
 

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Discussion Starter · #3 ·
So that is all that is needed, to keep the car from giving a CEL?<br>That is not too bad then. I was half expecting to have to use a chip to pump the proper signal to the ECU.
 

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Discussion Starter · #5 ·
WEll that will certainly be the cheapest HP upgrade so far <IMG NAME="icon" SRC="http://www.vwvortex.com/vwbb/biggrin.gif" BORDER="0"><br>Thanks again,<br>Randy
 

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Re: (ViriiGuy)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>ViriiGuy</b> »</i></TD></TR><TR><TD CLASS="quote">WEll that will certainly be the cheapest HP upgrade so far <IMG NAME="icon" SRC="http://www.vwvortex.com/vwbb/biggrin.gif" BORDER="0"><br>Thanks again,<br>Randy</TD></TR></TABLE><p>Unless the <B>CAT is bad</B> you're not going to gain any hp that you will feel with that engine.
 
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