Alpine SPG-17C2 Type-G 6-3/4" 2-way car speakers — fits 6-3/4" and 6-1/2" openings at Crutchfield
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Universal Fit Alpine S-W12D2 Type S Triple 12" Subwoofer Loaded Sub Box New 793276242150 | eBay
Car Subwoofer 12 "30 Cm Alpine Swg-1244 Sound Electronics Columns 89.8db Subwoofers For Cars Acoustics Auto Audio Parts Components - Subwoofers - AliExpress