General engine questions/issues that aren't specific to the other categories
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By 92civic_vx
#318302 that one looks like it wont quiet it much at all, might be less raspy but not quiet. my silencer has a inner diameter of about 1.5 to 1.75 inches. it quiets my 3.5 inch can down good. i am about to remove my can and weld in a thrush muffler