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2011 Kia Optima
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Curious also about the drone on the FWY, sounds nice!
 

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Discussion Starter #22
yes there is a considerable amount of low rpm drone guys. sorry i took a long time to respond. the helmoltz pipe should help it but i wanted to keep it as straight through as i could so no exrta mufflers.

i'ma try to get some video this week or weekend since the weather lately has been rather shtty
 
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