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  1. Aftermath- Ported Mouthpiece

    04.5-05 LLY Performance Parts Discussion
    Hello today i unistalled my mouthpiece and and shaved it down inside. I removed some material from the outside and rounded the square edges removing as much material as i could. I reinstalled and the aftermath is quite noticeable. First, the turbo sounds much better and louder, cruising down the...
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