SS Silv Posted June 11, 2007 Report Share Posted June 11, 2007 Are they worth it? Any noticable performance gains? My truck just hit 93,000 miles and I am sure my stock cats are due for a replacement. Thanks. Quote Link to comment Share on other sites More sharing options...
04CHASE Posted June 11, 2007 Report Share Posted June 11, 2007 i wouldnt buy them if i werent heavily modified. i think the stockers are good for at least 80k ( they are warrantied for that at least) id have a good look at your and if they are still fine id leave them be. Quote Link to comment Share on other sites More sharing options...
FireRescueSS Posted June 15, 2007 Report Share Posted June 15, 2007 Are you flowing more air then a stock set-up? If you're running a S/C or T/C then get the High-Flow cats, or if you plan to shortly. IMO Quote Link to comment Share on other sites More sharing options...
packjh Posted June 15, 2007 Report Share Posted June 15, 2007 just gut them Quote Link to comment Share on other sites More sharing options...
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