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Old 01-25-2013, 10:29 PM   #16
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Join Date: Jan 2008
Location: Ridgeland, MS
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Originally Posted by ac_2007 View Post
I've been trying to find the thread where the Magnaflow was supposedly "tested" and came up as a bottleneck. Calling Rob43 for clarification!

Was curious on the opinions of others in regards to the issue. I completely agree with both of your viewpoints "wtf is this guy talking about" LOL
It was Jae and he is boosted. It was the rear muffler and the Y to the tips. That was causing the high whine pitch noises....
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993whp/651wtq SAE Corrected

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1996 BLU/BLK M3
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1988 SETA 325I
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