How-to Gen II Marble Modification with pictures

1UP

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Here's another how-to thread with pictures on the "marble modification" to a Gen II Busa. I just did this yesterday and no more exhaust popping/backfire on deceleration.

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Nice write up! If I ever get me pipe installed I may need this.
Gary

If you install your pipe you will need tuning, Reflash it with a Woolich Racing Log box pro, and turn off the pair valve!
 
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