Homemade custom sub. Dual 6.5" JL Audio 6W0-8. 300Watt RMS. This is a drop in box: no mods, cutting, etc. Install amp connect wires. I did r | Toyota Tundra Forums
My new Jl audio 6w0.4 sub - YouTube
6W0-4 JL AUDIO(ジェイエルオーディオ)のウーファーの口コミ・パーツレビュー|みんカラ
JL Audio 6W3v3-4 W3v3 Series 6.5" 4-ohm subwoofer at Crutchfield