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I will be upgrading to IIS Silverbullet soon.

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Well Brady and i had a chat the other day and they have a new upgrade for the SPS62 that converts the exhaust wheel to 75mm. This will spool the turbo 200engine rpm quicker. the wheel i have now is 71mm. I will be getting mine modded in the next couple months. My truck tows like a dream at 2000rpm but it would be awesome to drop that to 1800rpm.


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