i am selling sub boxes for the new bodystyle 2007 chevrolet or gmc crew cab . they can hold 2 10s or 2 12s and sound awesome. i also have boxes for the old bodystyle also. hit me up at tech12volt@yahoo.com or search chevrolet sub box on ebay. And by the way i am not jus joe blow building boxes . i am a master car audio installer and have been installing and building custom car audio systems as a job for the last 15 years

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