04-06-2012, 07:51 PM | #1 |
Second Lieutenant
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Akra slip on & downpipes +n55 midpipies
Does anyone has that set up.? I do have it and sine I installed the n55 mids, there is a raspy metallic noise. Does anyone experience it?
When I blimp the gas at slowspeed and in 2nd or 3rd gear,there is a rasp sound that last like 2seconds Anythought? |
04-06-2012, 07:58 PM | #2 |
Brigadier General
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Drives: 1/18 Monte Carlo Blue E92 M3
Join Date: Apr 2011
Location: Los Angeles
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Raspyness usually comes from having a catless down pipe with not enough resonators in the rest of the exhaust. Try upgrading to a different mid pipe that has more resonators instead of the 1 big one on the N55.
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