dual quad nitrous !!?!!

Seems the duster is getting quicker every time out. Good size crowd for how it is now. Back to hopping at launch again. My first thought is the rear shocks are topping out (not long enough). no bog, but that could be the slippery track. I was leaving at a higher rpm, don't ask me what that is rrrrrrrr instead of rrrrr. LOL
I had a LOT of fun and came home safe.
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