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Old 02-09-2015, 05:30 PM
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On a 3-3.5 inch exhaust which muffler will be better a 1 chamber flowmaster or borla xr1
Old 02-09-2015, 07:15 PM
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Better in what way..?
Old 02-09-2015, 07:21 PM
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What's the rest of the exhaust?
Old 02-09-2015, 09:15 PM
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1-7/8 kooks headers no cats havent decided on h or x pipe
Old 02-09-2015, 09:15 PM
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Originally Posted by 99Bluz28
Better in what way..?

most power
Old 02-10-2015, 05:27 AM
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In theory a blow thru style muffler like the Borla should be worth a little more power than a chambered style muffler like the Flowmaster. Weather or not it's even measurable is hard to say
Old 02-10-2015, 08:33 AM
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Any kind of bullet style muffler will be good in regards to power. Dynomax bullets (6 inch ones) would be the least restrictive and loudest.
Old 02-10-2015, 12:03 PM
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I'd go with a straight through like a Borla, Magnaflow, or Dynomax, with a perforated center tube, NOT any louvered center tube.



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