{"product_id":"flowmaster-flo717977-19-25-gm-1500-truck-5-3l-flow-fx-extreme-cat-back-exhaust-system","title":"Flowmaster flo717977 - 19-25 GM 1500 Truck 5.3L Flow FX Extreme Cat-Back Exhaust System","description":"Flowmaster introduces our Flow FX Extreme stainless steel cat-back exhaust system for the 2019*-2026 (* 2019 New Body Only) Chevrolet\/GMC Silverado\/Sierra 1500 with the 5.3L engine. This system uses a Flow FX series muffler for an aggressive to moderate sound level and increased performance. 3.00-inch mandrel bent 409 stainless steel tubing allows for maximum exhaust flow and durability. The system has a turndown style, dump exit right after the muffler to eliminate the over-axle tailpipe. This elimination of the tailpipe helps improve ground clearance and departure angle when you are driving in more extreme off-road situations. This system produced max dyno gains of 15 hp and 20 lb-ft at the rear wheels.  All of the necessary hardware is included, and factory-mounting locations are used for an easy installation. Backed by Flowmaster's Lifetime Limited Warranty.\nFits 2019*-2026 (*2019 New Body) Chevrolet\/GMC Silverado\/Sierra 1500 5.3L, Flow FX Extreme 3.00-inch Stainless Steel Cat-Back Exhaust System\n\u003cul\u003e\n  \u003cli\u003e3.00-inch 16-gauge mandrel bent stainless steel tubing helps maintain maximum exhaust flow for better power\u003c\/li\u003e\n  \u003cli\u003eFlow FX Series performance muffler offers an aggressive to moderate sound level and increased performance\u003c\/li\u003e\n  \u003cli\u003e409 stainless steel construction delivers extra durability and improved long-term corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eDump style exit allows for better ground clearance when in extreme off-road conditions\u003c\/li\u003e\n  \u003cli\u003eIncludes all necessary hardware for an at home installation\u003c\/li\u003e\n  \u003cli\u003eMax dyno gains of 15 hp and 20 lb-ft at the rear wheels\u003c\/li\u003e\n  \u003cli\u003eUses factory hanger locations for easy installation\u003c\/li\u003e\n  \u003cli\u003eLifetime Limited Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Flowmaster Flow FX Extreme stainless steel cat-back exhaust system is designed for 2019–2026 Chevrolet Silverado 1500 and GMC Sierra 1500 trucks with the 5.3L engine, including 2019 New Body models. It uses a Flow FX Series muffler to provide an aggressive to moderate sound level while supporting increased performance. The system features 3.00-inch, 16-gauge mandrel-bent 409 stainless steel tubing for exhaust flow, durability, and improved long-term corrosion resistance.\u003c\/p\u003e\u003cp\u003eA turndown-style dump exit positioned directly after the muffler eliminates the over-axle tailpipe, helping improve ground clearance and departure angle during extreme off-road driving. The system uses factory hanger locations for installation and includes the necessary hardware for an at-home installation. Flowmaster reports maximum dyno gains of 15 horsepower and 20 lb-ft at the rear wheels. The system is backed by Flowmaster's Lifetime Limited Warranty.\u003c\/p\u003e\u003ch3\u003eKey Features and Performance Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMandrel-bent tubing:\u003c\/strong\u003e 3.00-inch 16-gauge stainless steel tubing helps maintain exhaust flow for improved power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow FX Series muffler:\u003c\/strong\u003e Delivers an aggressive to moderate sound level and increased performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e409 stainless steel construction:\u003c\/strong\u003e Provides durability and improved long-term corrosion resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTurndown-style exit:\u003c\/strong\u003e Eliminates the over-axle tailpipe to support additional ground clearance for off-road use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Product Specifications and Technical Data\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Flowmaster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e flo717977\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Cat-back exhaust system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Chevrolet Silverado 1500 and GMC Sierra 1500\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine application:\u003c\/strong\u003e 5.3L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel years:\u003c\/strong\u003e 2019–2026; 2019 New Body only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubing size:\u003c\/strong\u003e 3.00 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubing material:\u003c\/strong\u003e 16-gauge 409 stainless steel\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cp\u003eThe system includes the necessary installation hardware.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits 2019 Chevrolet Silverado 1500 and 2019 GMC Sierra 1500 applications listed by the manufacturer. The product description specifies compatibility with 2019–2026 Chevrolet Silverado 1500 and GMC Sierra 1500 models with the 5.3L engine, with 2019 New Body models identified.\u003c\/p\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n2019 Chevrolet Silverado 1500 Custom\u003cbr\u003e\n2019 Chevrolet Silverado 1500 Custom Trail Boss\u003cbr\u003e\n2019 Chevrolet Silverado 1500 High Country\u003cbr\u003e\n2019 Chevrolet Silverado 1500 LT\u003cbr\u003e\n2019 Chevrolet Silverado 1500 LT Trail Boss\u003cbr\u003e\n2019 Chevrolet Silverado 1500 LTZ\u003cbr\u003e\n2019 Chevrolet Silverado 1500 RST\u003cbr\u003e\n2019 Chevrolet Silverado 1500 SSV\u003cbr\u003e\n2019 Chevrolet Silverado 1500 WT\u003cbr\u003e\n2019 GMC Sierra 1500 AT4\u003cbr\u003e\n2019 GMC Sierra 1500 Base\u003cbr\u003e\n2019 GMC Sierra 1500 Denali\u003cbr\u003e\n2019 GMC Sierra 1500 Elevation\u003cbr\u003e\n2019 GMC Sierra 1500 SLE\u003cbr\u003e\n2019 GMC Sierra 1500 SLT\u003cbr\u003e\n2020 Chevrolet Silverado 1500 Custom\u003cbr\u003e\n2020 Chevrolet Silverado 1500 Custom Trail Boss\u003cbr\u003e\n2020 Chevrolet Silverado 1500 High Country\u003cbr\u003e\n2020 Chevrolet Silverado 1500 LT\u003cbr\u003e\n2020 Chevrolet Silverado 1500 LT Trail Boss\u003cbr\u003e\n2020 Chevrolet Silverado 1500 LTZ\u003cbr\u003e\n2020 Chevrolet Silverado 1500 RST\u003cbr\u003e\n2020 Chevrolet Silverado 1500 SSV\u003cbr\u003e\n2020 Chevrolet Silverado 1500 WT\u003cbr\u003e\n2020 GMC Sierra 1500 AT4\u003cbr\u003e\n2020 GMC Sierra 1500 Base\u003cbr\u003e\n2020 GMC Sierra 1500 Denali\u003cbr\u003e\n2020 GMC Sierra 1500 Elevation\u003cbr\u003e\n2020 GMC Sierra 1500 SLE\u003cbr\u003e\n2020 GMC Sierra 1500 SLT\u003cbr\u003e\n2021 Chevrolet Silverado 1500 Custom\u003cbr\u003e\n2021 Chevrolet Silverado 1500 Custom Trail Boss\u003cbr\u003e\n2021 Chevrolet Silverado 1500 High Country\u003cbr\u003e\n2021 Chevrolet Silverado 1500 LT\u003cbr\u003e\n2021 Chevrolet Silverado 1500 LT Trail Boss\u003cbr\u003e\n2021 Chevrolet Silverado 1500 LTZ\u003cbr\u003e\n2021 Chevrolet Silverado 1500 RST\u003cbr\u003e\n2021 Chevrolet Silverado 1500 SSV\u003cbr\u003e\n2021 Chevrolet Silverado 1500 WT\u003cbr\u003e\n2021 GMC Sierra 1500 AT4\u003cbr\u003e\n2021 GMC Sierra 1500 Base\u003cbr\u003e\n2021 GMC Sierra 1500 Denali\u003cbr\u003e\n2021 GMC Sierra 1500 Elevation\u003cbr\u003e\n2021 GMC Sierra 1500 SLE\u003cbr\u003e\n2021 GMC Sierra 1500 SLT\u003cbr\u003e\n2022 Chevrolet Silverado 1500 Custom Trail Boss\u003cbr\u003e\n2022 Chevrolet Silverado 1500 High Country\u003cbr\u003e\n2022 Chevrolet Silverado 1500 LT\u003cbr\u003e\n2022 Chevrolet Silverado 1500 LT Trail Boss\u003cbr\u003e\n2022 Chevrolet Silverado 1500 LTZ\u003cbr\u003e\n2022 Chevrolet Silverado 1500 RST\u003cbr\u003e\n2022 Chevrolet Silverado 1500 WT\u003cbr\u003e\n2022 Chevrolet Silverado 1500 LTD High Country\u003cbr\u003e\n2022 Chevrolet Silverado 1500 LTD LT\u003cbr\u003e\n2022 Chevrolet Silverado 1500 LTD LT Trail Boss\u003cbr\u003e\n2022 Chevrolet Silverado 1500 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