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hey has anybody ever used extreme flow mufflers. i was just wondering because my flow has holes in it and i dont really like the tone that much. its not bad but it seems like everyone around here has them
 

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its more of a local fresno thing, ive know they sound good but ive heard mixed emotions on quality
 

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yeah they are made here in fresno. my buddy has one on his rcsb 4.8 and its super loud. if you like loud, then its for you.
 

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I think they're pretty crappy. They're tiny, loud, and I lost a lot of down-low torque on my previous truck.
 
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