Ford Mustang Forum - View Single Post - 2003 Mustang dual exhuaust question
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post #2 of (permalink) Old 01-02-2011
Ponyboy4
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true dual or dual from a y-pipe??? true dual flowmaster 44s with an x-pipe sound almost like a v8 at idle. but only at idle. revving gives away that it is a v6. keep the cats, it makes it too raspy.. and from the accounts that i hear, removing the cats will cause the check engine light to come on.


2004 40th Anniversary GT - Sonic Blue, Daily Driver, Steeda Short-throw, SR Performance CAI, Magnaflow Magnapack mufflers
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