Filter Filters Single Harmony Audio Remove All Filters Price $100-$500 (33) Condition New (33) Size 10" (12) 15" (12) 12" (8) 8" (1) Universal Car Stereo Rearfire Sealed Single 12" Kicker Comp C12 Sub Box... $179.99 Universal Car Stereo Hatchback Sealed Single 12" Kicker Comp C12 Sub Box... $189.99 Universal Car Stereo Slotted S Port Single 12" Kicker Comp C12 Sub Box... $234.99 Universal Car Stereo Paintable Ported 15" Kicker Comp C15 Sub Box Enclosure &... $345.99 Universal Car Stereo Vented Port Single 15" Kicker Comp C15 Sub Box Enclosure... $330.99 Universal Car Stereo Paintable Ported 12" Kicker Comp C12 Sub Box Enclosure &... $215.99 Universal Car Stereo Vented Port Single 10" Kicker Comp C10 Sub Box Enclosure... $204.99 Universal Car Stereo Hatchback Sealed Single 15" Kicker Comp C15 Sub Box... $331.99 Universal Car Stereo Vented Port Single 10" Kicker CompR CWR10 Sub Box... $309.99 Universal Car Stereo Slotted S Port Single 15" Kicker Comp C15 Sub Box... $366.99 Universal Car Stereo Rhino Coated Ported 12" Kicker Comp C12 Sub Box... $194.99 Universal Car Stereo Rearfire Sealed Single 15" Kicker Comp C15 Sub Box... $314.99 Universal Car Stereo Rearfire Sealed Single 15" Kicker CompR CWR15 Sub Box... $388.99 Universal Car Stereo Hatchback Sealed Single 12" Kicker CompVT CVT12 Sub Box... $249.99 Universal Car Stereo Hatchback Sealed Single 10" Kicker Comp C10 Sub Box... $179.99 Universal Car Stereo Hatchback Sealed Single 15" Kicker CompR CWR15 Sub Box... $396.99 Universal Car Stereo Paintable Ported 15" Kicker CompR CWR15 Sub Box... $405.99 Universal Car Stereo Slotted S Port Single 8" Kicker CompR CWR8 Loaded Sub... $229.99 Universal Car Stereo Rearfire Sealed Single 10" Kicker CompR CWR10 Sub Box... $301.99 Universal Car Stereo Rhino Coated Ported 15" Kicker Comp C15 Sub Box... $369.99 Universal Car Stereo Vented Port Single 15" Kicker CompR CWR15 Sub Box... $395.99 Universal Car Stereo Paintable Ported 10" Kicker CompR CWR10 Sub Box... $319.99 Universal Car Stereo Hatchback Sealed Single 10" Kicker CompR CWR10 Sub Box... $264.99 Universal Car Stereo Vented Port Single 12" Kicker Comp C12 Loaded Sub Box... $195.99 12