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  1. C

    2017 Tahoe Headers and Exhaust Questions/Trades

    Thanks, I am in NC and this Tahoe came from PA where the aftermarket stuff was done. Not sure what emissions laws are in PA.
  2. C

    2017 Tahoe Headers and Exhaust Questions/Trades

    Evidently I need to take it to the dealership and have them reprogram the ECM with the latest software. Getting a DTC P2101 code which causes the electronic throttle control issue. Hoping this fixes the issue.
  3. C

    2017 Tahoe Headers and Exhaust Questions/Trades

    My mechanic is saying there are throttle body codes as well and none of those issues should cause throttle body codes. He said there are about 15 codes on the car.
  4. C

    2017 Tahoe Headers and Exhaust Questions/Trades

    I have a 2017 Tahoe Premier that has 26,000 miles on it. Bought it used at around 15,000 miles on it. It came with aftermarket headers and exhaust system. I know the exhaust is Flowmaster but don't know anything else about it. The dealership removed the cold air intake and sold it without. I...

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