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The glasspack is an old, simple, and relatively inexpensive muffler design that has less back pressure than other types of muffler, but is less effective at muffling noise. A longer glasspack will reduce noise to a greater extent than a shorter one, as sound is dissipated into the fiberglass damping material.
Glasspack mufflers (also called 'cannons' or 'hotdogs') are straight-through design mufflers that consist of an inner perforated tube, an outer solid tube, and fiberglass sound insulation between the two tubes. They often have less back pressure than original equipment mufflers, but are relatively ineffective at reducing sound levels.
A sound attenuator, or duct silencer, sound trap, or muffler, is a noise control acoustical treatment of Heating Ventilating and Air-Conditioning (HVAC) ductwork designed to reduce transmission of noise through the ductwork, either from equipment into occupied spaces in a building, or between occupied spaces.
Transmission loss (TL) in duct acoustics describes the acoustic performances of a muffler-like system.It is frequently used in the industry areas such as muffler manufacturers and NVH (noise, vibration and harshness) department of automobile manufacturers, and in academic studies.
4 ! adolescents ages 13 to 17 and for the short-term treatment of manic or mixed episodes of bipolar I disorder in children and adolescents ages 10 to 17.4 o In approving Risperdal for the irritability associated with autistic disorders in
Silencer (silver) and exhaust pipe on a Ducati motorcycle A silencer cut open to show the insulation, chambers and piping inside the shell. A muffler (North American and Australian English) [1] or silencer (British English) is a device for reducing the noise emitted by the exhaust of an internal combustion engine—especially a noise-deadening device forming part of the exhaust system of an ...
Best finish: 1st (1965, 1966, 1969, 1984) ... overwhelmed by the sound, by the speed." ... but nonetheless upgraded with features like a glasspack muffler and fuel ...
The Glasspack is an American psychedelic punk rock band from Louisville, Kentucky, United States. The band was formed in 1999 by frontman and native Louisvillian "Dirty" Dave Johnson, in hopes of giving a better alternative to the classic and hard rock played over-and-over on the radio. [ 1 ]
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