{"product_id":"edge-evolution-cts4-kit-with-unlock-kit-for-2020-2023-gm-6-6l-l5p-duramax","title":"Edge Evolution CTS4 Kit with Unlock Kit for 2020-2023 GM 6.6L L5P Duramax","description":"\u003c!-- src: Edge product pages list pre-order, est. ship Nov 3; Chad approved 10\/21 --\u003e\u003cp\u003e\u003cstrong\u003ePre-order: ships about Nov 3 (per Edge)\u003c\/strong\u003e\u003c\/p\u003e\u003ch1\u003eEdge Evolution CTS4 Kit with Unlock Kit for 2020-2023 GM 6.6L L5P Duramax\u003c\/h1\u003e\n\u003c!-- src: G \"EVOLUTION CTS4\" \/ Primary Message --\u003e\n\u003cp\u003e\u003cstrong\u003eTake control of drivability, towing performance, and power.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!-- src: G \"EVOLUTION CTS4\" \/ How to Describe It --\u003e\n\u003cp\u003eEvolution CTS4 combines the full CTS4 monitoring experience with preloaded performance tuning for supported gas and diesel trucks. Drivers can monitor critical vehicle data and diagnostics while also taking advantage of application-specific tuning designed to improve power delivery, throttle response and overall drivability.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003c!-- src: G \"EVOLUTION CTS4\" \/ Key Talking Points --\u003e\n\u003cul\u003e\n\u003cli\u003eFull CTS4 monitoring suite\u003c\/li\u003e\n\u003cli\u003ePreloaded performance tuning\u003c\/li\u003e\n\u003cli\u003eCustom-tuning support\u003c\/li\u003e\n\u003cli\u003eDiesel applications: up to 175 hp \/ 470 lb-ft\u003c\/li\u003e\n\u003cli\u003eDiesel tune options include Towing, Economy and Extreme where supported\u003c\/li\u003e\n\u003cli\u003eGas applications: up to 86 hp \/ 100 lb-ft\u003c\/li\u003e\n\u003cli\u003eSupported gas calibrations include 87 and 91 Octane\u003c\/li\u003e\n\u003cli\u003eImproved throttle response, power delivery and drivability\u003c\/li\u003e\n\u003cli\u003eReal-time monitoring and diagnostics\u003c\/li\u003e\n\u003cli\u003eExpandable through compatible accessories\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- src: G \"EVOLUTION CTS4 \/ Claim Reminder\" --\u003e\n\u003cp\u003e\u003cem\u003eHorsepower, torque, tuning, transmission tuning, vehicle coverage and functionality vary by application.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eUpgrading from CTS3:\u003c\/h3\u003e\n\u003c!-- src: G \"Upgrade Proof Points\" --\u003e\n\u003cul\u003e\n\u003cli\u003e4x memory capacity\u003c\/li\u003e\n\u003cli\u003e70% faster entry to the monitor screen\u003c\/li\u003e\n\u003cli\u003e70% faster cold boot\u003c\/li\u003e\n\u003cli\u003e50% faster parameter changes\u003c\/li\u003e\n\u003cli\u003eUp to 6x smoother live-data refresh\u003c\/li\u003e\n\u003cli\u003e21% more viewing area\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- src: X Crossover \"New Description\" --\u003e\n\u003cp\u003eIncludes Evolution CTS4 with Unlock Kit.\u003c\/p\u003e\n\u003ch3\u003eFitment:\u003c\/h3\u003e\n\u003c!-- src: A: 21 ACES rows, 4 make\/model groups --\u003e\n\u003cul\u003e\n\u003cli\u003e2020-2023 Chevrolet Silverado 2500 HD (6.6L)\u003c\/li\u003e\n\u003cli\u003e2020-2023 Chevrolet Silverado 3500 HD (6.6L)\u003c\/li\u003e\n\u003cli\u003e2020-2023 GMC Sierra 2500 HD (6.6L)\u003c\/li\u003e\n\u003cli\u003e2020-2023 GMC Sierra 3500 HD (6.6L)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- src: Edge official product page 85500-261, verified 10\/21\/2026 --\u003e\u003cp\u003eCheck your vehicle on \u003ca href=\"https:\/\/www.edgeproducts.com\/products\/parts\/85500-261\" target=\"_blank\" rel=\"noopener\"\u003eEdge's fitment lookup\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eEmissions Compliance:\u003c\/h3\u003e\n\u003c!-- src: P Emission_Description for 85500-261 --\u003e\n\u003cp\u003eLegal under the provisions of EPA's Tampering Policy - Not legal in CA.\u003c\/p\u003e\n","brand":"EDGE Products","offers":[{"title":"Default Title","offer_id":67992466686083,"sku":"85500-261","price":959.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/9953\/0909\/files\/1_EvolutionCTS4_20_23_L5P.jpg?v=1792689310","url":"https:\/\/ppei.com\/products\/edge-evolution-cts4-kit-with-unlock-kit-for-2020-2023-gm-6-6l-l5p-duramax","provider":"PPEI Tuning","version":"1.0","type":"link"}