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Does someone have advise on witch tunners are programable
G35 2005 I have cold air intake I have headers and test pipes as well as y pipe and am getting some backfiring I have a bully dog tunner but found out it's not tunable for my car
Backfiring should never happen on the stock ECM tune. Are you sure you aren't talking about "exhaust pop" ? Backfiring is when it fires out the intake.