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  1. General Discussion
    Okay. So. 2012, GMC 3500 desiel dually. I had a 2007 Chevy, same model, that had no exhaust brake and it stopped my damn trailer better. I bought this "new" 2012 truck for the exhaust brake and the "better" towing capacity. It has no suck back and stop. It is weak as well. Everything on it is...
    exhaust brake no power not working turbo weak
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