{"product_id":"mbrp-s5021blk-armor-blk-3-inch-cat-back-exhaust-system-for-2019-2021-chevrolet-silverado-1500-and-gmc-sierra-1500","title":"MBRP S5021BLK Armor BLK 3-Inch Cat-Back Exhaust System for 2019–2021 Chevrolet Silverado 1500 and GMC Sierra 1500","description":"STYLE THAT'S WORTH A SECOND LOOK - ARMOR BLK Series exhaust systems crank your vehicle’s style dial to 11. The ARMOR BLK series offers the same performance as the other series with an engineered, high-heat black powder coating on the tailpipe(s) and tip(s).\nManufactured using heavy-gauge Aluminized Steel tubing throughout the whole system, everything but the tailpipe and tip are left as mill-finish steel for better resistance of damage under your vehicle. This material can be a great choice for you if you live in a dry climate that doesn’t see much precipitation. All of the tubing is mandrel bent for maximum exhaust flow. Mandrel bending ensures no rippling in the bends. The end result is that it gives you more fresh air inside your engine’s cylinders, allowing it to produce more power and improve vehicle performance and longevity. The black powder coating features a 1-year warranty against factory defects, and the remaining parts feature an industry leading 3-year warranty. MBRP, Stand out from the crowd with a performance exhaust system that sounds great.\nArmor BLK Cat Back Exhaust System; 3 in.; Incl. Front Pipe\/Mid Pipe\/Muffler\/Tail Pipe\/Hardware\/4.5 Inch Tip; Dual Rear Exit; Black-Coated Aluminized Steel;\n4.5in OD BLK Tip Included. Cutting Required For Installation. Excludes 2WD Crew Cab 6.5ft Box (2PC Driveshaft).\n\u003cul\u003e\n  \u003cli\u003eBlack-Coated Heavy-Gauged Aluminized Steel. Enhanced Moderate Exhaust Tone. Up to 69 Percent Flow Increase. Smooth Mandrel Bent Tubing. Utilizes Helmholtz Technology.\u003c\/li\u003e\n  \u003cli\u003eBlack-Coated Heavy-Gauged Aluminized Steel\u003c\/li\u003e\n  \u003cli\u003eEnhanced Moderate Exhaust Tone\u003c\/li\u003e\n  \u003cli\u003eUp to 69 Percent Flow Increase\u003c\/li\u003e\n  \u003cli\u003eUtilizes Helmholtz Technology\u003c\/li\u003e\n  \u003cli\u003eSmooth Mandrel Bent Tubing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eGive your truck a refined appearance and stronger exhaust performance with the MBRP S5021BLK Armor BLK cat-back exhaust system. Designed for select 2019–2021 Chevrolet Silverado 1500 and GMC Sierra 1500 applications, this system uses 3-inch tubing and a dual rear exit configuration for improved exhaust flow and an enhanced moderate exhaust tone. The system includes the front pipe, mid-pipe, muffler, tailpipe, hardware, and a 4.5-inch black-coated exhaust tip.\u003c\/p\u003e\n\n\u003cp\u003eMBRP manufactures the system from heavy-gauge aluminized steel for dependable under-vehicle durability. Smooth mandrel bends help maintain consistent tubing diameter through each curve, reducing flow restrictions and supporting improved engine breathing. Helmholtz technology helps produce a controlled exhaust sound while contributing to the system’s performance-focused design. The Armor BLK finish adds a high-heat black powder coating to the tailpipe and tip for a distinctive appearance, while the remaining components retain a mill-finish surface for practical protection against underbody damage.\u003c\/p\u003e\n\n\u003cp\u003eInstallation requires cutting and is not compatible with 2WD Crew Cab models equipped with a 6.5-foot bed and two-piece driveshaft. The black powder coating is backed by a 1-year warranty against factory defects, while the remaining exhaust components feature MBRP’s 3-year warranty. This application fits select 2019–2021 Chevrolet Silverado 1500 and GMC Sierra 1500 trucks; verify the vehicle configuration before ordering. California customers should review applicable emissions requirements before installation.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFront pipe\u003c\/li\u003e\n  \u003cli\u003eMid-pipe\u003c\/li\u003e\n  \u003cli\u003eMuffler\u003c\/li\u003e\n  \u003cli\u003eTailpipe\u003c\/li\u003e\n  \u003cli\u003e4.5-inch black-coated exhaust tip\u003c\/li\u003e\n  \u003cli\u003eInstallation hardware\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstruction: Heavy-gauge aluminized steel tubing provides practical durability for street-driven truck applications.\u003c\/li\u003e\n\u003cli\u003eFinish: High-heat black powder coating on the tailpipe and tip delivers a distinctive Armor BLK appearance.\u003c\/li\u003e\n\u003cli\u003eExhaust Flow: Smooth mandrel-bent tubing helps preserve internal diameter and supports efficient exhaust movement.\u003c\/li\u003e\n\u003cli\u003eSound and Performance: Helmholtz technology produces an enhanced moderate exhaust tone with flow gains of up to 69 percent.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n2019 Chevrolet Silverado 1500 LT\u003cbr\u003e\n2019 Chevrolet Silverado 1500 RST\u003cbr\u003e\n2019 Chevrolet Silverado 1500 WT\u003cbr\u003e\n2019 GMC Sierra 1500 Base\u003cbr\u003e\n2019 GMC Sierra 1500 Elevation\u003cbr\u003e\n2019 GMC Sierra 1500 SLE\u003cbr\u003e\n2020 Chevrolet Silverado 1500 Custom\u003cbr\u003e\n2020 Chevrolet Silverado 1500 LT\u003cbr\u003e\n2020 Chevrolet Silverado 1500 RST\u003cbr\u003e\n2020 Chevrolet Silverado 1500 WT\u003cbr\u003e\n2020 GMC Sierra 1500 Base\u003cbr\u003e\n2020 GMC Sierra 1500 Elevation\u003cbr\u003e\n2020 GMC Sierra 1500 SLE\u003cbr\u003e\n2021 Chevrolet Silverado 1500 Custom\u003cbr\u003e\n2021 Chevrolet Silverado 1500 LT\u003cbr\u003e\n2021 Chevrolet Silverado 1500 RST\u003cbr\u003e\n2021 Chevrolet Silverado 1500 WT\u003cbr\u003e\n2021 GMC Sierra 1500 Base\u003cbr\u003e\n2021 GMC Sierra 1500 Elevation\u003cbr\u003e\n2021 GMC Sierra 1500 SLE\u003cbr\u003e\n2022 Chevrolet Silverado 1500 Custom\u003cbr\u003e\n2022 Chevrolet Silverado 1500 Custom Trail Boss\u003cbr\u003e\n2022 Chevrolet Silverado 1500 LT\u003cbr\u003e\n2022 Chevrolet Silverado 1500 LT Trail Boss\u003cbr\u003e\n2022 Chevrolet Silverado 1500 RST\u003cbr\u003e\n2022 Chevrolet Silverado 1500 WT\u003cbr\u003e\n2022 GMC Sierra 1500 Elevation\u003cbr\u003e\n2022 GMC Sierra 1500 Pro\u003cbr\u003e\n2022 GMC Sierra 1500 SLE\u003cbr\u003e\n2023 Chevrolet Silverado 1500 Custom\u003cbr\u003e\n2023 Chevrolet Silverado 1500 Custom Trail Boss\u003cbr\u003e\n2023 Chevrolet Silverado 1500 LT\u003cbr\u003e\n2023 Chevrolet Silverado 1500 LT Trail Boss\u003cbr\u003e\n2023 Chevrolet Silverado 1500 RST\u003cbr\u003e\n2023 Chevrolet Silverado 1500 WT\u003cbr\u003e\n2023 GMC Sierra 1500 Elevation\u003cbr\u003e\n2023 GMC Sierra 1500 Pro\u003cbr\u003e\n2023 GMC Sierra 1500 SLE\u003cbr\u003e\n2024 Chevrolet Silverado 1500 Custom\u003cbr\u003e\n2024 Chevrolet Silverado 1500 Custom Trail Boss\u003cbr\u003e\n2024 Chevrolet Silverado 1500 LT\u003cbr\u003e\n2024 Chevrolet Silverado 1500 LT Trail Boss\u003cbr\u003e\n2024 Chevrolet Silverado 1500 RST\u003cbr\u003e\n2024 Chevrolet Silverado 1500 WT\u003cbr\u003e\n2024 GMC Sierra 1500 Elevation\u003cbr\u003e\n2024 GMC Sierra 1500 Pro\u003cbr\u003e\n2024 GMC Sierra 1500 SLE\u003cbr\u003e\n2025 Chevrolet Silverado 1500 Custom\u003cbr\u003e\n2025 Chevrolet Silverado 1500 Custom Trail Boss\u003cbr\u003e\n2025 Chevrolet Silverado 1500 LT\u003cbr\u003e\n2025 Chevrolet Silverado 1500 LT Trail Boss\u003cbr\u003e\n2025 Chevrolet Silverado 1500 RST\u003cbr\u003e\n2025 Chevrolet Silverado 1500 WT\u003cbr\u003e\n2025 GMC Sierra 1500 Elevation\u003cbr\u003e\n2025 GMC Sierra 1500 Pro\u003cbr\u003e\n2025 GMC Sierra 1500 SLE\u003cbr\u003e\n2026 Chevrolet Silverado 1500 Custom\u003cbr\u003e\n2026 Chevrolet Silverado 1500 Custom Trail Boss\u003cbr\u003e\n2026 Chevrolet Silverado 1500 LT\u003cbr\u003e\n2026 Chevrolet Silverado 1500 LT Trail Boss\u003cbr\u003e\n2026 Chevrolet Silverado 1500 RST\u003cbr\u003e\n2026 Chevrolet Silverado 1500 WT\u003cbr\u003e\n2026 GMC Sierra 1500 Elevation\u003cbr\u003e\n2026 GMC Sierra 1500 Pro\u003cbr\u003e\n2026 GMC Sierra 1500 SLE\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; 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