{"product_id":"red-line-fuel-system-cleaner-15-oz-12-pack-concentrated-injector-carburetor-treatment","title":"Red Line Fuel System Cleaner 15 oz (12-Pack) — Concentrated Injector \u0026 Carburetor Treatment","description":"\u003cp\u003e\u003cstrong\u003eRed Line SI-1 Complete Fuel System Cleaner is a concentrated 15-ounce gasoline treatment formulated to clean injectors, carburetors, valves and combustion chambers when used one bottle per tank.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for modern gasoline engines, this concentrated fuel additive restores cleaner fuel flow and helps reduce the buildup of gum, varnish and carbon deposits. Each 15-ounce bottle treats a full tank; this listing supplies twelve bottles for repeated or fleet applications. Red Line’s SI-1 blends high- and low-temperature detergents with stabilizing agents to help keep fuel fresh and fuel-system components free of deposits between service intervals.\u003c\/p\u003e\n\n\u003ch3\u003eHow will Red Line SI-1 affect engine performance?\u003c\/h3\u003e\n\u003cp\u003eUsing one bottle per tank can improve fuel spray patterns and combustion consistency by removing deposit layers that interfere with fuel delivery. Cleaner injectors and valves help restore throttle response and steady idle in affected vehicles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRemoves injector and carburetor deposits for steadier fuel spray\u003c\/li\u003e\n  \u003cli\u003eReduces gum and varnish that impede fuel metering\u003c\/li\u003e\n  \u003cli\u003eHelps maintain more consistent idling and throttle feel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use a 15-ounce bottle of SI-1 for best results?\u003c\/h3\u003e\n\u003cp\u003ePour one full 15-ounce bottle into a nearly empty fuel tank, then fill the tank with gasoline to mix the additive. For severe deposits, follow two consecutive fill-ups with an additive treatment; routine use as recommended keeps systems cleaner between services.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse one bottle per tank for standard treatment\u003c\/li\u003e\n  \u003cli\u003eAdd before filling to ensure rapid mixing with fuel\u003c\/li\u003e\n  \u003cli\u003eRepeat one or two fill-ups for heavy deposit removal\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this cleaner protect my fuel system or just clean it?\u003c\/h3\u003e\n\u003cp\u003eIn addition to detergents that remove deposits, SI-1 contains stabilizers that slow gum and varnish formation and help maintain gasoline stability in storage. The combined formula addresses both cleaning and short-term preservation of fuel-system condition.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes high- and low-temp detergents for broad deposit control\u003c\/li\u003e\n  \u003cli\u003eContains stabilizing agents to reduce fuel degradation\u003c\/li\u003e\n  \u003cli\u003eWorks on injectors, carburetors, valves and combustion chambers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs Red Line SI-1 safe for modern emission systems and materials?\u003c\/h3\u003e\n\u003cp\u003eFormulated for use in gasoline engines, SI-1 is designed to clean without harming common fuel-system materials when used as directed. It is suitable for vehicles with catalytic converters and other emissions controls when applied at recommended dosages.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with catalytic converters when used per instructions\u003c\/li\u003e\n  \u003cli\u003eSafe for modern engine fuel-system components and seals\u003c\/li\u003e\n  \u003cli\u003eNon-corrosive formulation intended for regular maintenance use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Red Line SI-1 Complete Fuel System Cleaner is aimed at vehicle owners, fleet managers and performance enthusiasts who want a concentrated, professional-grade gasoline treatment. It suits anyone looking to restore fuel delivery components between mechanical services—especially older vehicles showing deposit-related symptoms or machines stored seasonally that need fuel stabilization.\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 much fuel does one 15 oz bottle treat?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: One 15-ounce bottle is formulated to treat a full gasoline tank; add before filling for best mixing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use SI-1 with catalytic converters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—when used as directed SI-1 is compatible with catalytic converters and modern emission systems.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Red Line","offers":[{"title":"Default Title","offer_id":67584905478329,"sku":"B000T9RLT0","price":407.43,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/red-line-si1-front-packaging.jpg?v=1790458536","url":"https:\/\/redleafauto.ca\/products\/red-line-fuel-system-cleaner-15-oz-12-pack-concentrated-injector-carburetor-treatment","provider":"Redleaf Auto","version":"1.0","type":"link"}