muffler

  1. S

    Will I lose low end torque/HP?

    I have a 1997 SC400 and my car has the stock cali. edition exhaust with the third cat and 2 small resonators. After watching this youtube video https://www.youtube.com/watch?v=7ZnclTUvbPc I fell in love with the sound. So I was just wondering if deleting the center cat and replacing it with an x...


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