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MazdaMatt · 06-15-2009, 11:55 AM

I'm sure you still hear the engine. They have just deadened out the "annoying" low frequency sounds associated with a lower idle. You'd need a really high-tech system to completely eliminate engine noise. It'd cost as much as the car.

06-15-2009, 11:55 AM	#10 (permalink)
MazdaMatt Master EcoModder Join Date: Jun 2008 Location: London, Ontario Posts: 1,096 2k2Prot5 - '02 Mazda Protege5 90 day: 33.82 mpg (US) Thanks: 0 Thanked 17 Times in 14 Posts	I'm sure you still hear the engine. They have just deadened out the "annoying" low frequency sounds associated with a lower idle. You'd need a really high-tech system to completely eliminate engine noise. It'd cost as much as the car.