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      01-16-2018, 11:33 PM   #9
BLACKnWHITE168
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Taiwan
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Drives: 2009 AW E92 ///M3 DCT
Join Date: Nov 2013
Location: Taiwan

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Quote:
Originally Posted by inTgr8r View Post
You kept the primaries????

The downside to completely CATless is the smell.
My car is currently CATless and I love the setup except for the untreated odour.
My secondary CATs are going back in.
Just the secondaries only I left the primaries cuz I wanted some back pressure and avoid the smell. With resonator delete and OEM Mod it’s already pretty loud but no drone.
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