2009 Exhaust (Factory or Aftermarket)
#1
2009 Exhaust (Factory or Aftermarket)
Looking at the factory muffler display, it appears as if the 2009 F150 muffler is free flowing. AFE says their 2009 F150 exhaust flows 55% better. Can this be possible or is it just marketing hype? The factory muffler sounds good when you get on it. Just wondering if I would gain any performance with a Magnaflow.
#2
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The new 09 muffler is completely different than the 04-08 mufflers. It was redesigned to be quiet at idle and to scream like an aftermarket muffler at WOT. Now speaking from personal experience with my 09 F150, it does sound awesome at WOT for a stock muffler and I am having trouble deciding on if I should replace it with an aftermarket setup. I probably will just to have the nice idle, but supposedly ford spent 3 years designing the new muffler to sound good and perform well.
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I did it! Had a local shop weld on a 6"x18" round Magnaflow. They also welded on a Magnaflow tip. I can't say that I notice any performance gains, but it does sound nice. Very quiet in the cab until you get to around 2000 RPM. There are a couple of pictures of the tip in my gallery.
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