best muffler for the 4.0
#1
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#5
It is the length of these straight "flow through" type of mufflers that determine the sound. The longer the muffler, the quieter (length has no effect on exhaust flow). I've found that start-up and idle is exciting with loud exhausts (of course full throttle is fantastic) but partial throttle under load (loud MOAN sound) gets old real quick. Be careful what you wish for!
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#9
EXACTLY what I was gonna say lol I run a flowmaster 40 si/do its no v8 but it dosnt sound too bad for a v6...
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