Quote:
Originally Posted by The Stig
Downside of the JBA ones is that it's like 50/50 if they'll throw a code.
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I had JBA mid pipes with high flows attached to the stock manifolds for a while and it would throw a code every 100 to 200 miles, even with extenders for the rear sensors. I would just delete it with a code reader. The gaskets from JBA that sit between the manifolds and the mid pipes blew out completely due to poor fitment with stock mainfolds. So I put on JBA shorty headers, new Felpro gaskets from Autozone/Advance, and smaller spark plug non foulers on top of the extenders. No codes anymore... Not sure if it was the fitment and the eventual leak that lead to the codes or the extender not keeping the sensor far enough out of the exhaust stream. Hope this info is somewhat useful. Just thought I would throw in my 2 cents...