sulfur smell

  1. Matt Buffington

    Sulfur smell when letting off the gas

    Hi Gang! Just had true-dual exhaust added to my 1990 burb, with high-flow cats and flow master mufflers. Truck runs amazing. However, when I let off the gas, I get a sulfur smell in the truck if I have the back window down. I know, simple solution to this is to drive with the window up! But I’d...

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