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      09-13-2010, 04:33 PM   #65
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Drives: '11 X5 35i / '13 S5
Join Date: Jun 2009
Location: Deployed to Kuwait

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Originally Posted by shockin330i View Post
What cat? I know on the 335i n55 there are no cats or res on the pipes...
+1... There are no cats on the pipes, the N55's only have that 1 (two stage/structure) cat on the DP

ALthough it has been shown that there are either resonators or cats on the 335 x-drive's... (did anyone confirm whether those were cats or resonators on the x-drives'?)

I know on the N55 X5, there are no other cats or resonators after the DP.

BMW X5 35i: Boopie Exhaust & Intercooler, K&N Drop in Filter, JB3 (3+ psi)
2013 Dodge Challenger R/T: CAI, Catch Can, Custom Exhaust, Headers, 87MM Throttle Body, Diablo Custom 93 OCT Tune