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  1. I Have A Question About H-Pipes

    I swapped the factory resonator for an H-pipe on my Mach 1 with active exhaust. Now at idle especially in Quiet or Normal I hear a noticeable air hissing sound from exhaust. It’s not a leak type hiss for 100% , just different flow sound. In Track mode it disappears. With the stock resonator...
  2. What did you do to your Mach 1 today

    Just installed the GT350 spoiler today. It looks like an absolute beast now! Really happy with how it turned out.
  3. Steeda H-pipe on the Mach 1

    Has anyone experienced the same? After installing an H-pipe, and after about a week, on the same route, at the same speed, under identical conditions, it feels like the car drives better. I don’t have an ECU tune. Everything is stock and it seems like the 10R80 transmission is working much...
  4. Post Your Mach 1 Pictures

  5. What did you do to your Mach 1 today

    Hey everyone, this is my first post, so I just wanted to say hello and share a picture of my Mach 1 after getting a ceramic coating and PPF protection film done today.





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