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Brand New Design  ZX14  Sealed Undertail Speaker Box for 7.7 JL Audio Speakers
  This sealed Undertail Speaker Box unit is PPM Customs Design. This is a Direct replacement. Unbolt yours from your Sub frame & bolt ours to your Sub frame. Has molded battery box. Speakers are sealed in the Undertail for maximum clarity & base. This is a 1 piece Sealed Unit Undertail Speaker Box. 


Some triming may be required on fiberglass parts. 

ZX14 Undertail Kit

  • Their may be some small pitting and imperfections that can easily be filled before painting. 
    As with all Fiberglass components, parts may require some minor trimming and fitting prior to painting & installation.
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843 655-3789
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