{"product_id":"replacement-srt-rock-rear-diffuser-jeep-grand-cherokee-2014-2021","title":"Vicrez Replacement SRT Rock Rear Diffuser | Jeep Grand Cherokee 2014-2021","description":"\u003cdiv class=\"product-container\"\u003e\n\u003ch6 class=\"product-title\"\u003eRock Style Rear Diffuser — Polyurethane\u003c\/h6\u003e\n\u003cdiv class=\"product-intro\"\u003e\n\u003cp class=\"lead-text\"\u003e\u003cstrong\u003eThis rear diffuser smooths airflow at the bumper and reduces high-speed side turbulence.\u003c\/strong\u003e Injection-molded polyurethane construction mirrors OEM contours using 3D scan CAD data for direct fitment. Ships unpainted with protective black coating — professional installation and paint prep recommended before mounting.\u003c\/p\u003e\n\u003cdiv class=\"trust-indicators\"\u003e\n\u003cspan class=\"badge\"\u003e✓ Polyurethane Construction\u003c\/span\u003e \u003cspan class=\"badge\"\u003e✓ Direct OEM Fit\u003c\/span\u003e \u003cspan class=\"badge\"\u003e✓ Hand-Crafted in USA\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch6 class=\"section-title\"\u003eKey Features\u003c\/h6\u003e\n\u003cdiv class=\"design-features\"\u003e\u003cul class=\"feature-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eAerodynamic design\u003c\/strong\u003e - Reduces side turbulence and improves stability at highway speeds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-matched contours\u003c\/strong\u003e - Built from 3D scan CAD data for seamless alignment with factory bumper geometry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight polyurethane\u003c\/strong\u003e - Impact-resistant material resists cracking and flexing during parking lot use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003ch6 class=\"section-title\"\u003eSpecs\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: Polyurethane\u003c\/li\u003e\n\u003cli\u003eConfiguration: Single rear diffuser panel\u003c\/li\u003e\n\u003cli\u003eCondition: Unpainted, protective black coating\u003c\/li\u003e\n\u003cli\u003eInstallation: Designed for DIY installation with basic hand tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6 class=\"section-title\"\u003eWhats Included\u003c\/h6\u003e\n\u003cul\u003e\u003cli\u003eRear diffuser panel\u003c\/li\u003e\u003c\/ul\u003e\n\n\u003cdiv class=\"product-faq\"\u003e\n\u003ch6 class=\"section-title\"\u003eFrequently Asked Questions\u003c\/h6\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eWill this diffuser scrape on steep driveways or parking lot inclines?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe diffuser extends minimally below the factory bumper line and follows OEM geometry, so scrape risk mirrors your stock setup. Always test-fit and drive carefully over known rough spots before committing paint.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this add functional downforce or is it just cosmetic?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis is functional aerodynamic trim. It reduces side turbulence and improves high-speed stability by smoothing airflow separation at the rear bumper — not a high-downforce wing, but designed to work within real-world highway conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should I use to prep and paint this before install?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe protective black coating needs to be sanded smooth and primed before paint. Since polyurethane flexes slightly, use a paint system rated for plastic surfaces — your body shop will know the right primers and topcoats. Test-fit dry first to confirm fitment, then remove, paint, and install.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Vicrez","offers":[{"title":"Default Title","offer_id":46014399807722,"sku":"K2-2457-JP-130-DFS","price":462.85,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0477\/0427\/7142\/files\/vicrez-replacement-srt-rock-rear-diffuser-vz112311-jeep-grand-cherokee-2014-2015-2016-2017-2018-2019-2020-2021.jpg?v=1777486909","url":"https:\/\/www.k2-industries.com\/en-cr\/products\/replacement-srt-rock-rear-diffuser-jeep-grand-cherokee-2014-2021","provider":"K2 Industries","version":"1.0","type":"link"}