SSV Works now offers a complete bolt in ‘No Cutting Required’ 10” sub box with proper air space in addition to front speaker pods and even rear bed corner pods.
RZR gen 1-3 Underdash sub box:
RZR gen 2-3 Front 6×9” speaker pods:
RZR gen 1-3 Rear 6.5” speaker pods:
UTV Industry News: http://www.utvguide.net/news/UTV-News.html