Product DetailsOur Rear Rocker Extension Kits are made from 5/16" Solid Phenolic Sheet with a Satin Black Finish on both sides. These Kits are Designed to fit the '12-'15 GM ZL1 Rear Difussers and '14'-'15 Dual Mode GM Difusser and extend the bottom edge approx. 1 1/2" to improve Aerodynamic stability when using our Front Splitter and Wicker Extension Kits. Automotive Wedge Fasteners are used to attach the extension to the GM Difusser. All specialty Hardware and Installation Instructions are included.
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This product Typically Ships in 2-3 weeks and is made to order
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