clutch and o2?

[HiPWR Racing]

ok this mechanic told me my o2 is faulty bc it's behind my test pipe so the clutch cuts a wire

WTF is he talking about. how the hell does that seem rite?

 

[Billy.]

sounds retarted. your o2 is faulty because you have a test pipe

 

[HiPWR Racing]

but i've got an unstable idle..

and i def dont have any vacuum leaks.