W wspohn Senior member Vancouver BC Aug 14, 2021 #22 I have the RPI back boxes and love them. Yes, they are fairly throaty, but you can alleviate any steady speed drone on the highway by shifting up. Note that I have a coupe, which may experience more drone than a convert.
I have the RPI back boxes and love them. Yes, they are fairly throaty, but you can alleviate any steady speed drone on the highway by shifting up. Note that I have a coupe, which may experience more drone than a convert.