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SVT Shelby GT500
Exhaust drone
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<blockquote data-quote="CobraBob" data-source="post: 15973267" data-attributes="member: 6727"><p>We're on the same page. I've never liked the sound of an X-pipe. The H-pipe has more of a "traditional" Mustang V8 tone whereas the X-pipe is definitely more raspy. </p><p></p><p>[USER=134212]@eekkaann[/USER], nice that you solved your drone issue. Be careful when looking for something louder because depending on the muffler, you could introduce some drone. Here is someone's explanation of muffler drone that I thought was good. </p><p>"<em>Sound is a wave vibration that ranges in frequency and wavelength, or size of waves. When going through an exhaust, the shape of the exhaust can act as an amplifier for certain pitches. Example: at 2500 RPMs, you will hear the exhaust much louder than at other times. This can even be compounded more by traveling through the floor and into the cabin of the car. This can be combated with different shaped exhausts, or most commonly a resonator or muffler, which work to absorb the sound waves and quiet the exhaust. Resonators, being smaller, can be used at strategic points in the exhaust to still retain a raw loud motor sound, but to be done properly would need a lot of testing/sound engineering or a lot of trial and error/luck.</em></p><p><em></em></p><p><em>At a certain RPM your exhaust will resonate and create a loud hum. Every exhaust system will resonate at a certain frequency, so they should be engineered to resonate at a frequency outside what is typical for that car's engine to generate or they must include components to cancel out that frequency.</em>"</p></blockquote><p></p>
[QUOTE="CobraBob, post: 15973267, member: 6727"] We're on the same page. I've never liked the sound of an X-pipe. The H-pipe has more of a "traditional" Mustang V8 tone whereas the X-pipe is definitely more raspy. [USER=134212]@eekkaann[/USER], nice that you solved your drone issue. Be careful when looking for something louder because depending on the muffler, you could introduce some drone. Here is someone's explanation of muffler drone that I thought was good. "[i]Sound is a wave vibration that ranges in frequency and wavelength, or size of waves. When going through an exhaust, the shape of the exhaust can act as an amplifier for certain pitches. Example: at 2500 RPMs, you will hear the exhaust much louder than at other times. This can even be compounded more by traveling through the floor and into the cabin of the car. This can be combated with different shaped exhausts, or most commonly a resonator or muffler, which work to absorb the sound waves and quiet the exhaust. Resonators, being smaller, can be used at strategic points in the exhaust to still retain a raw loud motor sound, but to be done properly would need a lot of testing/sound engineering or a lot of trial and error/luck. At a certain RPM your exhaust will resonate and create a loud hum. Every exhaust system will resonate at a certain frequency, so they should be engineered to resonate at a frequency outside what is typical for that car's engine to generate or they must include components to cancel out that frequency.[/i]" [/QUOTE]
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