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Old 12-14-2010, 07:50 AM   #15
a k
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Lets us know. I've had my new muffler sitting in the basement since early spring. Noise is the only question I have. I know the mileage will be better because I had a split exhaust pipe before the muffler and picked up 1MPG and lost it when I fixed it,so it has to be restricted.

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Old 12-14-2010, 05:05 PM   #16
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It can't be that much noiser besides its 40 feet behind us..,,

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Old 12-14-2010, 08:51 PM   #17
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Originally Posted by Iron Man View Post
It can't be that much noiser besides its 40 feet behind us..,,
Mine is 35 feet behind and it's loud ! Just so you know where I'm coming from, I have side exiting dual exhausts on my Hot Rod and dual exhausts on my truck and have dual pipes with blown out glass packs on a Dodge Truck I had. So I know loud. The Aero is much deeper throbbing sound, like an 18 wheeler pulling a grade. My only concern is that it doesn't drone in the drivers area at cruising speed. I am suprised that I hear it up front with the window closed. I really think it has to do with the exhaust layout. My original stock Muffler was 4 inches into the muffler and 5 inches out. My areo is 5 inches in and out. If I had used a 4 inch muffler and then a 4 or 5 inch tailpipe I think it would be quieter.

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