Motorcycle exhaust enhancers

Details Motorcycle exhaust enhancers Motorcycle exhaust enhancers

2007-06-26

2007-06-26

Tran, Binh Q. (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

Pulsed, timed, tuned or resonating exhaust

C060S313000, C060S314000, C060S322000, C060S324000, C181S216000, C181S227000, C181S241000

Reexamination Certificate

active

11005655

ABSTRACT:
Sound and power are an important part of the motorcycling experience. From the early days people have been attempting to get it “right” and have tried numerous ways to achieve the best of both worlds. Generally one had to be sacrificed to some degree to get the other. Tuning the exhaust rather than tuning the carburetor or increasing cubic inches is a less expensive and more efficient way to get both the sound and midrange power that motorcyclists are looking for. With the exhaust enhancement device of the present invention, exhaust pipes can be tuned for sound and increased midrange power very simply and easily by installing them in the exit end of an aftermarket straight type pipe using various combinations to achieve a desired sound and not sacrifice power.

REFERENCES:
patent: 4356885 (1982-11-01), Dello
patent: 5508478 (1996-04-01), Barry
patent: 5663537 (1997-09-01), Ko et al.
patent: 6085863 (2000-07-01), Shuen
patent: 6343673 (2002-02-01), Chang
patent: 6367580 (2002-04-01), Chang
patent: 6520285 (2003-02-01), Tobias
patent: 6848252 (2005-02-01), Maybeck

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