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o/r h-pipe

  1. 2005-2010 Mustang GT Tech
    Please help. I recentely put JBA longtube headers and a o/r h-pipe on my 2006 gt(with sct tuner). Of course the sensors wouldn't reach so the check engine light is on. So i got extensions for the sensors on the headers. I already had a sct tuner so american muscle sent me a tune that should have...