{"product_id":"flowmaster-20-25-gm-2500hd-6-6l-ccb-outlaw-cat-back-exhaust-system","title":"Flowmaster 20-25 GM 2500HD 6.6L CCB Outlaw Cat-Back Exhaust System","description":"This Flowmaster® Outlaw® Cat-back exhaust system for the 2020-2026 Chevy Silverado and GMC Sierra 2500HD\/3500HD trucks with the 6.6L gas engine, is perfect if you are looking for an aggressive sound level inside and outside of the truck, with all of the performance benefits that you would expect from Flowmaster®. Maximum increases of up to 9 hp and 9 lb.ft. over the stock exhaust at the rear wheels. Designed for the Crew Cab, Standard Bed (6.5 ft.) models only, this bolt-on, emissions-legal system features a stainless steel Outlaw series muffler and large dual 3.00-inch 409 stainless steel mandrel-bent tailpipes that can be configured to exit either dual straight out the back, or dual out the sides behind the rear wheels which is best suited for towing applications. The system is finished off with polished 4.00-inch stainless steel tips and is covered by our Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation.\nFits 2020-2026 GM Silverado\/Sierra 2500HD\/3500HD 6.6L Gas V8, Outlaw Series, 3.50\" to Dual 3.00\" Cat-Back, Dual Rear Exit, Stainless Steel Exhaust System\nFits Crew Cab with 6.5-foot bed length, 159-inch wheelbase only.\r\nWill not fit models with 5th wheel tow hitch installed.\n\u003cul\u003e\n  \u003cli\u003e3.50-inch and 3.00-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability\u003c\/li\u003e\n  \u003cli\u003eSuper 10 Series performance muffler delivers a deep, aggressive performance tone and improves exhaust flow\u003c\/li\u003e\n  \u003cli\u003eIncludes complete hardware and factory styled hangers in the stock locations for an easy installation\u003c\/li\u003e\n  \u003cli\u003eCan be configured to exit straight out the rear or out the side depending on preference\u003c\/li\u003e\n  \u003cli\u003eMax increases of up to 9 hp and 9 lb.ft. over the stock exhaust at the rear wheels\u003c\/li\u003e\n  \u003cli\u003eDual 4.00-inch polished stainless steel tips add a custom look\u003c\/li\u003e\n  \u003cli\u003eBacked by Flowmaster’s Lifetime Limited Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your 2020-2026 Chevrolet Silverado or GMC Sierra 2500HD\/3500HD with the Flowmaster Outlaw Cat-Back Exhaust System, part number 818112. Designed for 6.6L gas V8 Crew Cab trucks with the 6.5-foot standard bed and 159-inch wheelbase, this emissions-legal system delivers an aggressive exhaust note inside and outside the vehicle while improving exhaust flow. Testing shows maximum gains of up to 9 horsepower and 9 lb.-ft. of torque over the stock exhaust at the rear wheels.\u003cbr\u003eBuilt for durability and performance, the system uses 3.50-inch and dual 3.00-inch 16-gauge 409 stainless steel mandrel-bent tubing. The included Outlaw\/Super 10 Series performance muffler produces a deep, aggressive tone and supports efficient exhaust flow. Dual 4.00-inch polished stainless steel tips provide a clean, custom appearance, while the tailpipes can be configured for a straight rear exit or side exit behind the rear wheels. The side-exit configuration is especially well suited for towing applications.\u003cbr\u003eThe Flowmaster 818112 is engineered as a bolt-on installation using factory-style hangers in the stock locations and includes the necessary hardware for installation. It is intended only for Crew Cab, standard-bed models and will not fit trucks equipped with an installed fifth-wheel tow hitch. Flowmaster backs this exhaust system with a Lifetime Limited Warranty. Review vehicle fitment and applicable emissions requirements before installation.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eFitment: Designed for 2020-2026 Chevrolet Silverado and GMC Sierra 2500HD\/3500HD trucks with the 6.6L gas V8, Crew Cab, standard bed, and 159-inch wheelbase\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eConstruction: 3.50-inch inlet and dual 3.00-inch 16-gauge 409 stainless steel mandrel-bent tubing for improved flow and durability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMuffler: Outlaw\/Super 10 Series performance muffler delivers a deep, aggressive exhaust tone\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eExhaust Exit: Configurable for dual straight rear exit or dual side exit behind the rear wheels\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePerformance: Provides maximum gains of up to 9 horsepower and 9 lb.-ft. of torque over the stock exhaust at the rear wheels\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eExhaust Tips: Includes dual 4.00-inch polished stainless steel tips\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eInstallation: Bolt-on design with factory-style hangers, complete hardware, and stock mounting locations\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eWarranty: Covered by Flowmaster’s Lifetime Limited Warranty\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\nChevrolet Silverado 2500 HD Custom 2020\u003cbr\u003e\nChevrolet Silverado 2500 HD Custom 2021\u003cbr\u003e\nChevrolet Silverado 2500 HD Custom 2022\u003cbr\u003e\nChevrolet Silverado 2500 HD Custom 2023\u003cbr\u003e\nChevrolet Silverado 2500 HD Custom 2024\u003cbr\u003e\nChevrolet Silverado 2500 HD Custom 2025\u003cbr\u003e\nChevrolet Silverado 2500 HD Custom 2026\u003cbr\u003e\nChevrolet Silverado 2500 HD High Country 2020\u003cbr\u003e\nChevrolet Silverado 2500 HD High Country 2021\u003cbr\u003e\nChevrolet Silverado 2500 HD High Country 2022\u003cbr\u003e\nChevrolet Silverado 2500 HD High Country 2023\u003cbr\u003e\nChevrolet Silverado 2500 HD High Country 2024\u003cbr\u003e\nChevrolet Silverado 2500 HD High Country 2025\u003cbr\u003e\nChevrolet Silverado 2500 HD High Country 2026\u003cbr\u003e\nChevrolet Silverado 2500 HD LT 2020\u003cbr\u003e\nChevrolet Silverado 2500 HD LT 2021\u003cbr\u003e\nChevrolet Silverado 2500 HD LT 2022\u003cbr\u003e\nChevrolet Silverado 2500 HD LT 2023\u003cbr\u003e\nChevrolet Silverado 2500 HD LT 2024\u003cbr\u003e\nChevrolet Silverado 2500 HD LT 2025\u003cbr\u003e\nChevrolet Silverado 2500 HD LT 2026\u003cbr\u003e\nChevrolet Silverado 2500 HD LTZ 2020\u003cbr\u003e\nChevrolet Silverado 2500 HD LTZ 2021\u003cbr\u003e\nChevrolet Silverado 2500 HD LTZ 2022\u003cbr\u003e\nChevrolet Silverado 2500 HD LTZ 2023\u003cbr\u003e\nChevrolet Silverado 2500 HD LTZ 2024\u003cbr\u003e\nChevrolet Silverado 2500 HD LTZ 2025\u003cbr\u003e\nChevrolet Silverado 2500 HD LTZ 2026\u003cbr\u003e\nChevrolet Silverado 2500 HD WT 2020\u003cbr\u003e\nChevrolet Silverado 2500 HD WT 2021\u003cbr\u003e\nChevrolet Silverado 2500 HD WT 2022\u003cbr\u003e\nChevrolet Silverado 2500 HD WT 2023\u003cbr\u003e\nChevrolet Silverado 2500 HD WT 2024\u003cbr\u003e\nChevrolet Silverado 2500 HD WT 2025\u003cbr\u003e\nChevrolet Silverado 2500 HD WT 2026\u003cbr\u003e\nChevrolet Silverado 2500 HD ZR2 2024\u003cbr\u003e\nChevrolet Silverado 2500 HD ZR2 2025\u003cbr\u003e\nChevrolet Silverado 2500 HD ZR2 2026\u003cbr\u003e\nChevrolet Silverado 3500 HD High Country 2020\u003cbr\u003e\nChevrolet Silverado 3500 HD High Country 2021\u003cbr\u003e\nChevrolet Silverado 3500 HD High Country 2022\u003cbr\u003e\nChevrolet Silverado 3500 HD High Country 2023\u003cbr\u003e\nChevrolet Silverado 3500 HD High Country 2024\u003cbr\u003e\nChevrolet Silverado 3500 HD High Country 2025\u003cbr\u003e\nChevrolet Silverado 3500 HD High Country 2026\u003cbr\u003e\nChevrolet Silverado 3500 HD LT 2020\u003cbr\u003e\nChevrolet Silverado 3500 HD LT 2021\u003cbr\u003e\nChevrolet Silverado 3500 HD LT 2022\u003cbr\u003e\nChevrolet Silverado 3500 HD LT 2023\u003cbr\u003e\nChevrolet Silverado 3500 HD LT 2024\u003cbr\u003e\nChevrolet Silverado 3500 HD LT 2025\u003cbr\u003e\nChevrolet Silverado 3500 HD LT 2026\u003cbr\u003e\nChevrolet Silverado 3500 HD LTZ 2020\u003cbr\u003e\nChevrolet Silverado 3500 HD LTZ 2021\u003cbr\u003e\nChevrolet Silverado 3500 HD LTZ 2022\u003cbr\u003e\nChevrolet Silverado 3500 HD LTZ 2023\u003cbr\u003e\nChevrolet Silverado 3500 HD LTZ 2024\u003cbr\u003e\nChevrolet Silverado 3500 HD LTZ 2025\u003cbr\u003e\nChevrolet Silverado 3500 HD LTZ 2026\u003cbr\u003e\nChevrolet Silverado 3500 HD WT 2020\u003cbr\u003e\nChevrolet Silverado 3500 HD WT 2021\u003cbr\u003e\nChevrolet Silverado 3500 HD WT 2022\u003cbr\u003e\nChevrolet Silverado 3500 HD WT 2023\u003cbr\u003e\nChevrolet Silverado 3500 HD WT 2024\u003cbr\u003e\nChevrolet Silverado 3500 HD WT 2025\u003cbr\u003e\nChevrolet Silverado 3500 HD WT 2026\u003cbr\u003e\nGMC Sierra 2500 HD AT4 2020\u003cbr\u003e\nGMC Sierra 2500 HD AT4 2021\u003cbr\u003e\nGMC Sierra 2500 HD AT4 2022\u003cbr\u003e\nGMC Sierra 2500 HD AT4 2023\u003cbr\u003e\nGMC Sierra 2500 HD AT4 2024\u003cbr\u003e\nGMC Sierra 2500 HD AT4 2025\u003cbr\u003e\nGMC Sierra 2500 HD AT4 2026\u003cbr\u003e\nGMC Sierra 2500 HD AT4X 2024\u003cbr\u003e\nGMC Sierra 2500 HD AT4X 2025\u003cbr\u003e\nGMC Sierra 2500 HD AT4X 2026\u003cbr\u003e\nGMC Sierra 2500 HD Base 2020\u003cbr\u003e\nGMC Sierra 2500 HD Base 2021\u003cbr\u003e\nGMC Sierra 2500 HD Denali 2020\u003cbr\u003e\nGMC Sierra 2500 HD Denali 2021\u003cbr\u003e\nGMC Sierra 2500 HD Denali 2022\u003cbr\u003e\nGMC Sierra 2500 HD Denali 2023\u003cbr\u003e\nGMC Sierra 2500 HD Denali 2024\u003cbr\u003e\nGMC Sierra 2500 HD Denali 2025\u003cbr\u003e\nGMC Sierra 2500 HD Denali 2026\u003cbr\u003e\nGMC Sierra 2500 HD Pro 2023\u003cbr\u003e\nGMC Sierra 2500 HD Pro 2024\u003cbr\u003e\nGMC Sierra 2500 HD Pro 2025\u003cbr\u003e\nGMC Sierra 2500 HD Pro 2026\u003cbr\u003e\nGMC Sierra 2500 HD SLE 2020\u003cbr\u003e\nGMC Sierra 2500 HD SLE 2021\u003cbr\u003e\nGMC Sierra 2500 HD SLE 2022\u003cbr\u003e\nGMC Sierra 2500 HD SLE 2023\u003cbr\u003e\nGMC Sierra 2500 HD SLE 2024\u003cbr\u003e\nGMC Sierra 2500 HD SLE 2025\u003cbr\u003e\nGMC Sierra 2500 HD SLE 2026\u003cbr\u003e\nGMC Sierra 2500 HD SLT 2020\u003cbr\u003e\nGMC Sierra 2500 HD SLT 2021\u003cbr\u003e\nGMC Sierra 2500 HD SLT 2022\u003cbr\u003e\nGMC Sierra 2500 HD SLT 2023\u003cbr\u003e\nGMC Sierra 2500 HD SLT 2024\u003cbr\u003e\nGMC Sierra 2500 HD SLT 2025\u003cbr\u003e\nGMC Sierra 2500 HD SLT 2026\u003cbr\u003e\nGMC Sierra 3500 HD AT4 2020\u003cbr\u003e\nGMC Sierra 3500 HD AT4 2021\u003cbr\u003e\nGMC Sierra 3500 HD AT4 2022\u003cbr\u003e\nGMC Sierra 3500 HD AT4 2023\u003cbr\u003e\nGMC Sierra 3500 HD AT4 2024\u003cbr\u003e\nGMC Sierra 3500 HD AT4 2025\u003cbr\u003e\nGMC Sierra 3500 HD AT4 2026\u003cbr\u003e\nGMC Sierra 3500 HD Base 2020\u003cbr\u003e\nGMC Sierra 3500 HD Base 2021\u003cbr\u003e\nGMC Sierra 3500 HD Denali 2020\u003cbr\u003e\nGMC Sierra 3500 HD Denali 2021\u003cbr\u003e\nGMC Sierra 3500 HD Denali 2022\u003cbr\u003e\nGMC Sierra 3500 HD Denali 2023\u003cbr\u003e\nGMC Sierra 3500 HD Denali 2024\u003cbr\u003e\nGMC Sierra 3500 HD Denali 2025\u003cbr\u003e\nGMC Sierra 3500 HD Denali 2026\u003cbr\u003e\nGMC Sierra 3500 HD Pro 2023\u003cbr\u003e\nGMC Sierra 3500 HD Pro 2024\u003cbr\u003e\nGMC Sierra 3500 HD Pro 2025\u003cbr\u003e\nGMC Sierra 3500 HD Pro 2026\u003cbr\u003e\nGMC Sierra 3500 HD SLE 2020\u003cbr\u003e\nGMC Sierra 3500 HD SLE 2021\u003cbr\u003e\nGMC Sierra 3500 HD SLE 2022\u003cbr\u003e\nGMC Sierra 3500 HD SLE 2023\u003cbr\u003e\nGMC Sierra 3500 HD SLE 2024\u003cbr\u003e\nGMC Sierra 3500 HD SLE 2025\u003cbr\u003e\nGMC Sierra 3500 HD SLE 2026\u003cbr\u003e\nGMC Sierra 3500 HD SLT 2020\u003cbr\u003e\nGMC Sierra 3500 HD SLT 2021\u003cbr\u003e\nGMC Sierra 3500 HD SLT 2022\u003cbr\u003e\nGMC Sierra 3500 HD SLT 2023\u003cbr\u003e\nGMC Sierra 3500 HD SLT 2024\u003cbr\u003e\nGMC Sierra 3500 HD SLT 2025\u003cbr\u003e\nGMC Sierra 3500 HD SLT 2026","brand":"Flowmaster","offers":[{"title":"Default Title","offer_id":67590345064764,"sku":"flo818112","price":1061.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1865\/9007\/files\/abac068ca53f22cc585740d57ef39c21L.jpg?v=1790567711","url":"https:\/\/necycleshop.com\/products\/flowmaster-20-25-gm-2500hd-6-6l-ccb-outlaw-cat-back-exhaust-system","provider":"NE Cycle Shop","version":"1.0","type":"link"}