Amazon.com: Q-Logic Customs Compatible with Ford Focus ZX3 SVT3 Unloaded 10" Subwoofer Enclosure C1-FOC110 : Electronics
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FBford01 Ford Focus Mk1Fit-Box subwoofer enclosure
Stock Subwoofer Upgrade | Ford Focus ST Forum
2011-2012 FORD FOCUS SEDAN DUAL SUB BOX - SSA STORE
JL Audio 2012-2018 Ford Focus 5-Door Hatchback Subwoofer Stealthbox | Audio Express | Western United States
2012-2018 Ford Focus
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Quick SQ Build Log: 2014 Ford Focus ST: Morel, Mosconi, Arc, AM EVO 8" | DiyMobileAudio.com Car Stereo Forum | Ford focus st, Ford focus, Custom car audio
NVX BE-FDFOCHBG3-VS102 Sub Box Upgrade for Ford Focus 5-Door Hatchback - Walmart.com
2012-2018 Ford Focus Factory Subwoofer OEM CM5T-19A067-AE Sony | eBay
FORD FOCUS MK1 NEW STEALTH SUB SPEAKER ENCLOSURE BOX SOUND BASS AUDIO CAR 12 10 | eBay
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Mark Customs
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Basser - FBford02 Ford Focus Mk2 Fit-Box subwoofer enclosure