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Post by prodigit on Mar 15, 2013 17:17:56 GMT -5
Exhaust valves don't get burned from drilling the muffler, only when the gasket or pipe at the exit of the motor is damaged or drilled.
As long as you have at least a foot or two, exhaust pipe coming off the engine, well sealed with a gasket, the valves won't suffer anything.
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Post by millsc on Mar 15, 2013 17:20:22 GMT -5
he said take it off not drill
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Post by prodigit on Mar 15, 2013 17:31:40 GMT -5
As long as you have at least a foot or two, exhaust pipe coming off the engine, well sealed with a gasket, the valves won't suffer anything. You could ride without the muffler (the pot). It's not pleasant sounding, and may be illegal in your area due to noise, but the valves won't suffer. |
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Post by scootercapecod on Mar 15, 2013 17:48:09 GMT -5
I wouldn't ride without some kind of noise reduction. The main thing is to have something to add back pressure to keep the valves from burning out. free flow exhausts are great for racers but not for daily driving. The reason is simple, racers want the top end and that stresses the entire engine thus having an open exhaust wouldn't do anything but help in tbis case but otherwise not so good for your commute to work.
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Post by prodigit on Mar 15, 2013 18:15:57 GMT -5
True that valve adjustments have to be done more frequently, because valves are more stressed with little back pressure. Yet it benefits even the daily rider not only in performance, but also in MPG gains.
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