why is it called a waterbox if its just a muffler?

WFO Speedracer

A lifetime ban is like a lifetime warranty !
Location
Alabama
It uses water and baffles to muffle the sound of the exhaust,so technically its both a muffler and a waterbox.
 

Motorheads5

Livin the generation gap
Location
ketchikan alaska
It keep's water from flowing back into the engine it also muffles the motor. Try and dump the water out of one and you can see what I am saying.
Yeah like Terry said.
 
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Waternut

Customizing addict
Location
Macon, GA
Most aftermarket boxes (at least the ones without baffles) don't really prevent water from flowing back into the engine... One more reason to blip the throttle a couple times after you're done riding and the ski is out of the water.
 
Location
dfw
A stock box is fine as long as you have a pipe. Most pipes are designed for stock waterboxes. Many race pipes have smaller stingers in order to make up open aftermarket box.
 
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