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Exhaust 5.7 HEMI Exhaust Discussion


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  #1  
Old 12-30-2009, 04:53 PM
jrhbull jrhbull is offline
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Default General Exhaust Questions

I have dual exhaust with the cat and dual duramax mufflers now.I want to delete the cat and get dual chambered mufflers and maybe headers anyone know anything about or have this setup?? How hard are the headers to install?? Any computer problems without the cat?? and Headers??Thanks for any help!!
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Old 12-31-2009, 12:35 AM
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yul most likely throw codes with cat deletes and headers...I did when I gutted my cats...
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Old 12-31-2009, 12:37 AM
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but, it dint affect the performance...I did the plug fouler mods on my rear 02 sensors and it doesnt throw anymore codes..
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Old 12-31-2009, 01:17 AM
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You can get "foolers" that plug into the end of your O2 sensor so that you don't throw codes. I don't think you would throw codes with headers though.
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Old 12-31-2009, 03:22 PM
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Thanks for the info where do i get 02 foolers??
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Old 01-01-2010, 04:11 AM
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not sure about the "foolers", but you can pick up spark plug non-foulers at most auto-parts stores. You can also get pretty good how-to write ups if you do a google search for "o2 sensor spark plug non-fouler" (I'd post a link, but all the ones I saw are on other forums- not sure if posting links to other forums is allowed)
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