flowmaster 440 series ??
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Joined: Feb 2007
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flowmaster 440 series ??
im thinking of getting a new muffler since mine is stock. Has anyone tried flomasters new 440 series ?? Its supposed to be very similar to the 40 series except the the 440 is supposed to have 100% flow vs. the 80% of the 40 series. Anyone running this yet ?? i have a 01 f-250 all stock (engine wise) for now.
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Joined: Mar 2007
Posts: 10,101
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From: Pa
I'd honestly go with a little larger capacity muffler. My dad has a 50 series SUV with a lightning style exhaust and the Ebay Y-pipe and it sounds bad ***. Loud below 3K rpm but sounds great.
You will probably get a fair amount of drone with the 44 or even the 40 series because of the 2 chamber design with no anti-drone chambers. The 50 series has these chambers to help cut down on the drone.
You will probably get a fair amount of drone with the 44 or even the 40 series because of the 2 chamber design with no anti-drone chambers. The 50 series has these chambers to help cut down on the drone.
Last edited by dkf; Oct 31, 2007 at 07:19 AM.
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1967 - 1972 F-100 & Larger F-Series Trucks
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