So in my Chevy Colorado extended cab I only have enough room for a dual sub box to have 3.5" mounting depth with .66cf per chamber. I have looked at Kicker, JL Audio, Hertz, Alpine, American Bass & kenwood
Kicker= crap brand
JL = too expensive
Hertz = impossible to buy
Alpine = no slim in 8"
American Bass = no slim in 8"
Kenwood = dont make 8"
I will be using a box like this except for 8" subs. I figure theres no way a 10" would be able to perform well with only 3.5" mounting space and .66cf each
Chevy Colorado 04 12 Crew Cab Truck Dual 10" Subwoofer Box Speaker Sub Enclosure | eBay