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      05-13-2012, 01:36 AM   #6
VTECaddict
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Where'd my VTEC go?
 
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Drives: 06 330i 6MT
Join Date: Mar 2009
Location: Bakersfield, CA

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I used a Magnaflow 12138 that didnt come with tips. I dont know why everyone insists on the 14815. Magnaflow makes a bunch of universal mufflers in different sizes, such as ones with a 2.5" or 3" inlet.

The only good thing I guess is the 14815 comes with tips. But, IMO it's a better option to go with one without tips. Then you can have the muffler shop mount it at 45 degrees instead of having a 90 degree bend in the exhaust piping, and you can pick whatever tips you want.

As far as drone, there is no drone on mine on the highway. I still have the stock cats and resonator in. Haven't noticed a change in power in either way, but I did it mainly for looks and sound.
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