Dave Posted April 5, 2008 Share Posted April 5, 2008 it says here if you remove the cat or cats you get the wrong signal to the ECU resulting in reduced performance. i thought it worked the other way round ie increased performance .what do you guys have to say ? http://cgi.ebay.co.uk/O2-OXYGEN-SENSOR-SIMULATOR-ELIMINATOR-PERFORMANCE-CHIP_W0QQitemZ120240163695QQihZ002QQcategoryZ32094QQssPageNameZWDVWQQrdZ1QQcmdZViewItem Quote Link to comment Share on other sites More sharing options...
Dazzi Posted April 5, 2008 Share Posted April 5, 2008 bull s? Quote Link to comment Share on other sites More sharing options...
absz Posted April 5, 2008 Share Posted April 5, 2008 some modern cars do have a o2 sensor after the cat (sensor 2) might be used on them or a fault light will come on;) Quote Link to comment Share on other sites More sharing options...
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