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Aftermarket subwoofer to replace stock subwoofer 2015 si coupe

22K views 9 replies 7 participants last post by  modrid81  
Ah gotcha. I thought OP wanted a non-sealed or ported box when he said open-air. Now I know.
Haven't seen too many people have much luck with replacement of the stock speaker. Maybe it's a weird size? Or maybe I've just been looking in all the wrong places...