If anything, the crowd rellenta the exhaust gas when she the same ? under load the speed? of the gas on a motor cycle 8 ? datta as I specified in my first intervention by the high compression of the engine is the same, the difference in the sound there ? why? in the diesel c'? combustion is not an explosion, while the sound of an engine benza ? given the shape of the exhaust uk also the compression with the consequent outbreak at the end of the cycle.......,then if you are talking about the exhaust is designed to obtain better performance!on a benza you get pi? easily that on a diesel, the diesel if you can, you can make it sound good, but it is difficult to get increases