Thread: Back pressure
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Old 02-11-2013, 05:00 PM   #13 (permalink)
BackroadBomber
EcoModding Apprentice
 
Join Date: Aug 2009
Location: Hamburg, New York
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Jenny - '02 Chevrolet Prizm Lsi
90 day: 31.45 mpg (US)

Crowley - '23 Ford Maverick XLT
90 day: 33.22 mpg (US)
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If you gut the cat make sure you get the "spark plug non foulers" or whatever they're called... Basically they're 3 inch long tubes that are threaded and they move your o2 sensor farther from the pipe. And since an o2 sensor works on heat, it will trick your car into thinking that the cat is still working. That way your cel stays off and you can still pass inspection.
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