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  1. Catalytic Converter replacement + Poll - Awful rattle at cold start and low RPM

    Go Fast Stuff
    The rattle is only for maybe 30 seconds on a cold start but it also becomes apparent and constant if I have my foot on the pedal holding it at 750RPM or whatever is the 3rd notch before 1k on the cluster. I'm not sure if I want to find a part out to replace my cat or just go all out on a high...
  2. Tin Can Rattle Sound After New Exhaust

    General Discussion
    Okay so I just had a mechanic install an HKS Dragger II exhaust that was brand new (I initially was going to do it myself but was persuaded otherwise) on my 2001 IS300 and am hearing what sounds like a tin can rattling behind my car between the speeds of 5 and 15 mph only while I am coasting...
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