New Use For Old Speakers!

[Cammer]

Engine intake manifold tuning by active noise control - United States Patent 5,176,114

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[big block fiero]

Thats great, now the ricers can sound like american cars and viseversa. One pop in the intake on a cold morning and you,ll blow the cones out. One casette tape could be for better economy and the other for horsepower. mabe a high frequency that only dogs can hear so you can creep up real stealth like.