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TheRuss · 08-08-2013, 10:17 AM

Nah, it's all the cat back! I had the N54 mids with y pipe delete, then I recently switched to N55 mids (without y pipe) and it still pops and gurgles the same as before!

08-08-2013, 10:17 AM	#104
TheRuss Lieutenant 28 Rep 408 Posts Drives: BMW 135i Join Date: Sep 2012 Location: South West, UK iTrader: (0)	Nah, it's all the cat back! I had the N54 mids with y pipe delete, then I recently switched to N55 mids (without y pipe) and it still pops and gurgles the same as before!
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