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Discussion Starter #1
ya know that sound at races of the engine..the one thats almost liek a dirt bike..a high pitch ...very loud... i know its some kind of mod... i just want to know how to get it out of my 440...thanks guys
 

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That's called "No Muffler"!!!
 

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you prolly saw a sled that is something like mine(2K 440 Zx), a high revving twin. in most cases it takes more than a exhaust can to make the sound, right now there is a set of crank shop twin pipes, full race porting, and a little head work(set up for improved 400+ class) it spits out 122 horse at 9700
not a very torquey engine, but in a drag race, it will beat a stock 700 doo's every time

what type of 440 do you own? i race another stock 2001 440 Zx every once in awhile, and his sled with a little clutching work is only 2-2.5 sled lengths behind me
 

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Discussion Starter #5
its a 96' xcr 440...itsd already been bored out... i notice the sound on alot of mxz's and some new polaris...i jsut love the sound haha-it'll wake the neighbors for miles and i think it adds some power ya know...
 
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