{"product_id":"flowmaster-american-thunder-cat-back-exhaust-system-for-2019-2026-gm-silverado-sierra-1500-with-5-3l-engine-quad-tips","title":"Flowmaster American Thunder Cat-Back Exhaust System for 2019-2026 GM Silverado \u0026 Sierra 1500 with 5.3L Engine - Quad Tips","description":"This Flowmaster® American Thunder® cat-back exhaust system for the 2019-2026 GM 1500 (new body style) trucks with 5.3L engine is perfect for the person looking for an aggressive sound level outside the truck, with a moderate interior tone and the performance benefits you would expect from Flowmaster. This emissions-legal bolt-on system fits all Crew Cab and Double Cab models with 5.5 and 6.5-ft long beds with factory dual exhaust option. Features include flex joint, mandrel-bent 3.00-inch stainless steel tubing flowing into a Super 40® Series muffler, dual 2.50-inch mandrel-bent stainless tailpipes that are finished off with quad 4.00-inch black ceramic coated stainless steel tips exiting out under the factory exhaust bezels. Designed for an easy fit, this system includes all necessary parts and hardware for an easy at home installation. Maximum dyno gains of 15 hp and 19 lb.ft. at the rear wheels.  Notes: Fits 2019-2026 Chevrolet Silverado 1500 and GMC Sierra 1500 Crew Cab and Double Cab models with 5.3L engine. Fits models with 5.5 and 6.5-ft long beds with factory dual exhaust option.\nFits 2019-2026 (New body) Chevrolet Silverado 1500\/GMC Sierra 1500 with 5.3L engine. - Aggressive to moderate sound\nDoes Not fit 2019 LD\/classic body style or trucks with factory single exhaust system. Does not fit models with the Multimatic suspension option.\n\u003cul\u003e\n  \u003cli\u003eLarge 4.00-inch Black Ceramic Coated Stainless Quad Tips\u003c\/li\u003e\n  \u003cli\u003eMax Dyno Gains of 15 hp and 19 lb.ft. of Torque\u003c\/li\u003e\n  \u003cli\u003eModerate Interior with Aggressive Exterior Tone\u003c\/li\u003e\n  \u003cli\u003eUses the Factory Hanger Locations\u003c\/li\u003e\n  \u003cli\u003eLarge Volume Super 40 Muffler\u003c\/li\u003e\n  \u003cli\u003eStainless Steel Construction\u003c\/li\u003e\n  \u003cli\u003eLifetime Limited Warranty\u003c\/li\u003e\n  \u003cli\u003eEasy Installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Flowmaster American Thunder cat-back exhaust system designed for the 2019-2026 GM Silverado 1500 and GMC Sierra 1500 trucks with 5.3L engines offers an aggressive exterior sound combined with a moderate interior tone, delivering an enhanced driving experience. Crafted from stainless steel, this system features a large volume Super 40® Series muffler and mandrel-bent 3.00-inch tubing that optimize exhaust flow for increased performance. The dual 2.50-inch stainless steel tailpipes culminate in large 4.00-inch black ceramic coated stainless steel quad tips, creating a bold visual statement while exiting beneath the factory exhaust bezels for a seamless fit. This emissions-compliant bolt-on system is engineered for an easy installation, utilizing factory hanger locations and including all necessary hardware for a straightforward at-home setup. Expect maximum dyno gains of up to 15 horsepower and 19 lb-ft of torque, making this system an excellent upgrade for those seeking both sound and performance enhancements. Designed specifically for Crew Cab and Double Cab models with 5.5- and 6.5-foot beds with factory dual exhaust, it offers a perfect fit without modification. Please note, it does not fit 2019 LD\/classic models, trucks with single exhaust, or those equipped with the Multimatic suspension system. Backed by a lifetime limited warranty, the Flowmaster American Thunder system combines durability, style, and performance, ensuring long-lasting quality and a significant upgrade to your truck's exhaust note and power output.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eAggressive exterior sound with moderate interior tone\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eLarge 4.00-inch black ceramic coated stainless steel quad tips\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMaximum dyno gains of 15 hp and 19 lb-ft of torque\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eUtilizes factory hanger locations for easy installation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eLarge volume Super 40 muffler for enhanced flow and sound\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eConstructed from durable stainless steel\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEmissions-legal bolt-on system\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes all hardware for straightforward installation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eBacked by a lifetime limited warranty\u003c\/li\u003e\u003c\/ul\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 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 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 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 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 LTD LTZ\u003cbr\u003e\n2022 Chevrolet Silverado 1500 LTD RST\u003cbr\u003e\n2022 Chevrolet Silverado 1500 LTD SSV\u003cbr\u003e\n2022 GMC Sierra 1500 Denali\u003cbr\u003e\n2022 GMC Sierra 1500 Elevation\u003cbr\u003e\n2022 GMC Sierra 1500 Pro\u003cbr\u003e\n2022 GMC Sierra 1500 SLE\u003cbr\u003e\n2022 GMC Sierra 1500 SLT\u003cbr\u003e\n2022 GMC Sierra 1500 Limited Denali\u003cbr\u003e\n2022 GMC Sierra 1500 Limited Elevation\u003cbr\u003e\n2022 GMC Sierra 1500 Limited Pro\u003cbr\u003e\n2022 GMC Sierra 1500 Limited SLE\u003cbr\u003e\n2022 GMC Sierra 1500 Limited SLT\u003cbr\u003e\n2023 Chevrolet Silverado 1500 Custom Trail Boss\u003cbr\u003e\n2023 Chevrolet Silverado 1500 High Country\u003cbr\u003e\n2023 Chevrolet Silverado 1500 LT\u003cbr\u003e\n2023 Chevrolet Silverado 1500 LT Trail Boss\u003cbr\u003e\n2023 Chevrolet Silverado 1500 LTZ\u003cbr\u003e\n2023 Chevrolet Silverado 1500 PPV\u003cbr\u003e\n2023 Chevrolet Silverado 1500 RST\u003cbr\u003e\n2023 GMC Sierra 1500 Denali\u003cbr\u003e\n2023 GMC Sierra 1500 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