ZN8 GR86 Flow-Lock Rear Diffuser (GLOSS)VALANCE ALSO AVAILABLE IN TEXTURED FINISH INSTALL DOES NOT REQUIRE BUMPER REMOVAL Click the GIF for more information on our Gloss and Textured material. Valance is installed to the car through bolts and nuts while the Flow Lock diffuser fins simply click into the valance (once locked into the valance it is secure). The most innovative rear diffuser on the market, the unique Flow Lock interlocking system allows for the final assembly of the diffuser
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