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Jimbo370 · 01-19-2018, 04:41 PM

I finally paid a shop to heat them loose ($400) 3 hrs. improved sound on the stillen hfc . In my opinion this was a not worth the money MOD. I have the extenders on the O2 sensors and still get the PO300 code every month. The demon comes back.

01-19-2018, 04:41 PM	#198 (permalink)
Jimbo370 Enthusiast Member Join Date: Jan 2014 Location: Florida Posts: 466 Drives: 09 black 370z MT Rep Power: 11	I finally paid a shop to heat them loose ($400) 3 hrs. improved sound on the stillen hfc . In my opinion this was a not worth the money MOD. I have the extenders on the O2 sensors and still get the PO300 code every month. The demon comes back.