Hey i was hoping someone could provide an aswer for me.. Yesterday i got My Nismo Catback System Installed on my 03 Z...Tommorow Im Getting My Stillen Testpipes installed.The Guy at The Shop Told Me theres A Sensor i May need To prevent My Check Engine Light From Coming on. Any idea What Sensor it Is and How i Can get my hands on it??? Thanx For Anything You may have For Me

 

Search for "non-fouler" or "test pipe"

https://my350z.com/forum/engine-driv...-fix-pics.html

 

You could also think about getting your car tuned with uprev. Your tuner can turn those codes off. It's also a good idea just to get your A/F ratios correct after freeing up the flow with test pipes. Mine picked up a good bit of power too.