BMW 3-Series (E90 E92) Forum - View Single Post - Daily Driver Review: Performance Power Kit S1

Dark_Knight_335 · 05-15-2012, 02:26 PM

I am nearly certain it toys with the valves or something in the exhaust- it sounds deeper
and has more burble pop to it...I don't THINK I'm imagining it...I stress the word THINK.

05-15-2012, 02:26 PM	#79
Dark_Knight_335 Came to the N55 Darkside 1112 Rep 12,740 Posts Drives: 2011 335 E93 M-Sport Join Date: May 2010 Location: NY/NJ iTrader: (28)	I am nearly certain it toys with the valves or something in the exhaust- it sounds deeper and has more burble pop to it...I don't THINK I'm imagining it...I stress the word THINK. Last edited by Dark_Knight_335; 05-16-2012 at 01:57 PM..
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