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dual flowmaster turndown pics...

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Old 04-12-2005, 01:31 PM
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Default dual flowmaster turndown pics...

can i get some pictures of dual flowmasters turned down.... also, how do u like it? what performance gains did u see
Old 04-12-2005, 11:39 PM
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I used to have it on my truck b4 i went to Turbo.... my roommate has the same muff on his 4.8 yukon.


It's really deep and really loud. Resonates inside and outside the cab alot. Maybe a 5hp gain at the crank.
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