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Discussion Starter · #1 ·
Hey I have the 2006 silverado z71 and am lookin to either get rid of my cats or at least hollow them out. I am afraid that I am going to mess up my 02 fuel sensors and have problems witht he engine has anybody done this yet or have any knowledge to that.

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You can get O2 sensor eliminators from a performance shop and you can then cut them out or hollow them without any codes being thrown. I imagine straight piping would be easier than hollowing, but that depends on how strict the laws are in your area. At least when hollowed, you still have a functioning appearance. I need to invest in some eliminators as well because with my exhaust, I have bypassed my existing cats, and I have to reset the codes every so often.
 
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