CEL after installing HFC or TEST PIPE

jakeA42T

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Thought I would get a CEL but apart the test pipe causing it would it still be ok to drive until it gets remapped or am I causing more problems for myself?
 
Sorry mate 'High Flow Cat', just another mod I heard good things about.
 
Dont think HFC will throw CEL but a test pipe will unless you have it mapped out or use a spacer. But wont hurt anything on the car just an irritation !!
 
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