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    Subaru Impreza 2006: Will aftermarket exhaust void warranty?

    Subaru Subaru Advice Subaru Impreza Subaru Impreza Advice Subaru Impreza 2006

    I'VE just bought an MY06 Subaru WRX and plan to change the muffler with an aftermarket stainless-steel one to give the car a louder note. I was told by Subaru this will void my warranty. Is this correct?

    Answered by CarsGuide
    2 February 2006
    CarsGuide team

    WE ASKED Subaru to explain why it doesn't recommend non-factory modifications, including exhaust systems. Suppliers often don't tell customers that modifications could adversely affect other parts over time. For example, modifiers may give extra horsepower and boost, but they alter the cam profile, exhaust gas temperature and air/fuel mixture. This can cause failure elsewhere, such as exhaust valves or melted pistons.

    Disclaimer: You acknowledge and agree that all answers are provided as a general guide only and should not be relied upon as bespoke advice. Carsguide is not liable for the accuracy of any information provided in the answers.
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