| 摘要 |
The heater dump assembly comprises an inlet port; an exhaust port; and a bypass port disposed between the inlet port and the exhaust port. The bypass port may be selectively sealed with a closure assembly to route the exhaust gasses from the exhaust manifold to a muffler to reduce engine noise, or the closure assembly may be removed to allow exhaust gasses to bypass the muffler to reduce back pressure and improve engine performance. The closure assembly may be installed upon the bypass port and sealed thereon with less than one rotation of the handle. Alternately, the closure assembly may be removed from the bypass port with less than one reverse rotation of the handle.
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