Hopefully somebody will be able to help me out here please
 
	 
 
	I have a decat 350z and have installed 90° O2 sensor isolators/spacers.  This has successfully turned off the CEL light, however, it isn't really a massive issue for me if the CEL light was to stay on anyway as I don't need an MOT on the car
 
	 
 
	I was just wondering whether installing these could lead to any damage at all to anything? By adapting the fuelling too much? Would it be best to take them back out again?
 
	 
 
	 
 
	I will get the car mapped when I have the money, to clear the engine light fully and have decat pipes mapped in
 
	 
 
	 
 
	Thanks, Connor 
 
	 
 
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