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Yal · 08-07-2007, 06:44 PM

I believe the Helene filter seals better. It is a VERY tight fit. I get better throttle performance out of mine. Some people get better mileage.

08-07-2007, 06:44 PM	#7
Yal Lieutenant 10 Rep 490 Posts Drives: '03 Z4 2.5 Maldives Blue Join Date: May 2007 Location: Santa Cruz, CA iTrader: (0)	I believe the Helene filter seals better. It is a VERY tight fit. I get better throttle performance out of mine. Some people get better mileage. __________________
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