hey can someone answer this for me real quick im about to go get a k&N filter, I know its loud when u gun it but what if im cruisin ant highway speeeds of about 80 or 90, will it be noticeably loud since the tach on my auto will be aroun 3-4 rpm

 

No it's not loud at all at cruise. Only when you rip the gas

 

It may drone if you put the thorttle down like 1/3 to 1/2, but for normal constant speed without massive accelleration it should remain relatively silent.