Bloomington muffler rule

Rone9r (Offline)
#1 8/29/19 10:20 PM

What’s the muffler rule on Bloomington speedway 410’s??

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Dirtfan (Offline)
#2 8/29/19 10:41 PM

From 2015?

RLV4104 are the approved mufflers for all classes with exception of Run what you brung class.

Dan Hetser

"Today is a Gift, Tomorrow is not Promised"

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nonwing77 (Offline)
#3 8/29/19 11:32 PM

Don't believe you need any this season.

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Rone9r (Offline)
#4 8/30/19 3:10 PM

Confirmed with AJ Bowlen. You are correct, no muffler rule.

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