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exhaust pipes

  1. Anyone done straight pipes?

    E60 M5 and E61 M5 Touring Discussion
    I looked for sound clips and videos and couldn't come up with anything. I'm thinking about deleting the second cats/resonators and replacing the mufflers with pipes. Chime in
  2. Gradus Futura 997 Carrera Carbon Fiber Exhaust Tips

    Porsche 911 Turbo and Porsche Panamera Forum
    Gradus Futura 997 Porsche Carrera 911 Carbon Fiber Exhaust Tips. Weight is just 4.1 oz each. Made from high temp resistant UV protective resin.