{"product_id":"royal-purple-max-clean-fuel-system-cleaner-stabilizer-case-of-6-x-20-oz-restores-power-economy","title":"Royal Purple Max-Clean Fuel System Cleaner \u0026 Stabilizer — Case of 6 x 20 oz, Restores Power \u0026 Economy","description":"\u003cstrong\u003eRoyal Purple Max-Clean is a concentrated fuel system cleaner and stabilizer formulated to remove combustion deposits, restore lost performance, and stabilize fuel for storage.\u003c\/strong\u003e\n\n\u003cp\u003eMax-Clean is a concentrated chemistry designed to clean injectors, intake valves, and combustion chambers while stabilizing stored fuel. It works with a wide variety of gasoline and diesel engines—including naturally aspirated, turbocharged, and supercharged—and is sold here as a convenient case of six 20-ounce bottles for fleet use or frequent servicing. Independent fleet testing shows measurable average improvements in economy, power, and emissions after treatment.\u003c\/p\u003e\n\n\u003ch3\u003eHow quickly will I notice improvements after adding Max-Clean?\u003c\/h3\u003e\n\u003cp\u003eMany users report measurable benefits after a single treatment, though results depend on engine condition and driving habits. Improvements can occur progressively as deposits dissolve and flow out of the system during normal operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTypical single-treatment averages: ~3.2% better fuel economy and ~2.6% more horsepower.\u003c\/li\u003e\n  \u003cli\u003eVisible drivability gains—smoother idle and reduced hesitation—often appear within a few fill-ups.\u003c\/li\u003e\n  \u003cli\u003eRepeated or routine treatments can maintain cleaner injectors and valves over time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat exactly does Max-Clean remove and why does that matter?\u003c\/h3\u003e\n\u003cp\u003eMax-Clean targets the carbon and varnish that build up from combustion and fuel additives. These deposits restrict fuel flow, foul spark plugs, and increase knock, so removing them helps restore engine efficiency and reliability.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eClears injector and intake-valve deposits to improve spray pattern and air\/fuel mixing.\u003c\/li\u003e\n  \u003cli\u003eReduces spark-plug fouling and deposit-induced knocking or pinging.\u003c\/li\u003e\n  \u003cli\u003eHelps lower emissions by cleaning combustion surfaces that contribute to HC, NOx, and CO output.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill Max-Clean work with my vehicle and fuel type?\u003c\/h3\u003e\n\u003cp\u003eYes—Max-Clean is formulated to be compatible with most on-road gasoline and diesel engines. It is safe for modern direct-injection systems as well as older designs when used as directed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEffective on gasoline and diesel engines, naturally aspirated or forced-induction.\u003c\/li\u003e\n  \u003cli\u003eSuitable for both older high-mileage engines and newer powertrains with injection systems.\u003c\/li\u003e\n  \u003cli\u003eFollow the dosage instructions on the bottle for best results and compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does Max-Clean affect emissions and long-term maintenance?\u003c\/h3\u003e\n\u003cp\u003eBy stripping deposits from combustion surfaces, Max-Clean can reduce tailpipe emissions and lower the likelihood of deposit-related performance problems. It is a preventive service that helps maintain efficient combustion and smooth operation between professional maintenance intervals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAverage emission reductions observed: approximately 12% HC, 13% NOx, and 18% CO in fleet testing.\u003c\/li\u003e\n  \u003cli\u003eHelps prevent rough idle, stalling, and hesitation caused by deposit build-up.\u003c\/li\u003e\n  \u003cli\u003eRegular use reduces the rate at which new deposits form, aiding long-term reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Royal Purple Max-Clean in a case of six 20 oz bottles is aimed at individuals and shops that perform regular fuel-system maintenance, fleet managers seeking predictable performance gains, and vehicle owners who want to restore lost fuel economy or prevent deposit-related issues. It is useful for anyone maintaining gasoline or diesel engines who prefers a concentrated, multi-use treatment that combines cleaning with fuel stabilization for storage or seasonal vehicles.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I treat my tank with Max-Clean?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use one 20 oz bottle per fuel tank as directed; repeat every 3,000 to 5,000 miles or during seasonal storage for stabilization.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Max-Clean safe for turbocharged and direct-injection engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, Max-Clean is formulated to work with turbocharged and direct-injection systems when used according to the label instructions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67585038287033,"sku":"B00BGS31MO","price":197.55,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-max-clean-front-packaging.jpg?v=1790464587","url":"https:\/\/redleafauto.ca\/products\/royal-purple-max-clean-fuel-system-cleaner-stabilizer-case-of-6-x-20-oz-restores-power-economy","provider":"Redleaf Auto","version":"1.0","type":"link"}