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BC240 · 02-06-2007, 05:06 PM

I don't know how a single Flowmaster 60 series will sound on a 4 banger, but my dual Flowmaster 40 series muff's on my 5.0L had a very annoying drone at 2500-3000ish rpms? Do some more research on this if its high on your unwanted list.

02-06-2007, 05:06 PM	#6
BC240 Zilvia Junkie Join Date: Aug 2006 Location: Richmond, BC Age: 43 Posts: 472 Trader Rating: (1)	I don't know how a single Flowmaster 60 series will sound on a 4 banger, but my dual Flowmaster 40 series muff's on my 5.0L had a very annoying drone at 2500-3000ish rpms? Do some more research on this if its high on your unwanted list.