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720 New exhaust and down pipes

Discussion in 'McLaren' started by Gh21631, Oct 27, 2018.

  1. kizdan

    kizdan F1 Veteran

    Dec 31, 2003
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    Dan
    I'm not saying you can expect issues with an aftermarket exhaust - I am saying that if anything occurred to the car that can be traced back to the exhaust as having caused the issue, a warranty would be void. Anything put on a car after it has left the factory can void a warranty if the issue can be traced back to it.

    Typically, an ECU would get reprogrammed to account for the difference in back pressures - you reprogram an ECU, and a back pressure related issue can easily be traced back to the exhaust and ECU. I'm not a technician, so that is about all I can add to this.
     
  2. Smiles

    Smiles Moderator
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    Nov 20, 2003
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    Matt F
    Do you have any first hand experience on this?

    Matt
     
  3. Gh21631

    Gh21631 F1 Rookie
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    Feb 24, 2011
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    I guess if somehow a problem was related to an aftermarket exhaust component but that is highly unlikely. Also, we did not mess with the ECU as it is unnecessary in this case. There is no loss in back pressure as this is not a catless system and in fact gained power across the band.
     
  4. Gh21631

    Gh21631 F1 Rookie
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    Can you imagine how Capristo, Fabspeed, Kline, Akra and many others would survive if this was the case?
     
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  5. Gh21631

    Gh21631 F1 Rookie
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    According to the Magnuson-Moss Act, a vehicle manufacturer cannot automatically cancel your warranty just because you’ve installed aftermarket car parts. This is an illegal practice. That said, if your aftermarket part somehow causes or contributes to a failure in your vehicle, the dealer may be able to deny your warranty claim—as long as they can prove the connection. In these cases, the burden of proof is entirely on the dealership.
     
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  6. Jo Sta7

    Jo Sta7 F1 Rookie
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    Thank you!!!
     

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