Flowmaster 19-25 GM 1500 5.3L CC&DC Outlaw Cat-Back Exhaust System

This Flowmaster® Outlaw® Cat-back exhaust system is perfect for the person looking for maximum sound levels both inside and outside the vehicle and are not afraid of getting peoples attention. This emissions-legal system is for the 2019 (new body style) to 2026 GM Silverado/Sierra 1500 trucks with 5.3L engine and features a stainless steel Super 10™ Series muffler, all mandrel-bent 3.00-inch stainless steel tubing and uses the factory hanger locations for an easy installation. The large dual 3.00-inch stainless tailpipes ensure maximum power and a deep powerful sound. This bolt-on system comes with your choice of tailpipe exits, either dual out the rear, or dual out the sides behind the rear wheels which prevents blowing exhaust on your boat or trailer when towing. The system is finished off with a pair of large 4.00-inch double wall black ceramic coated stainless tips for a custom look. Designed for a perfect-fit, the system includes installation instructions and all the necessary hardware for an easy at home installation. Maximum dyno gains of 10 hp and 13 lb.ft. at the rear wheels. Notes: Fits Crew Cab and Double Cab models with factory single tailpipe only. Fits 2019-2026 (New body) Chevrolet Silverado 1500/GMC Sierra 1500 Crew Cab and Double Cab models with 5.3L engine. - Aggressive sound Does Not Fit Crew Cab 2WD with 2 Pc Driveshaft or trucks with factory dual exhaust tailpipes.

• Large 4.00-inch Black Ceramic Coated Stainless Tips
• Deep Powerful Tone Inside and Outside the Vehicle
• Max Dyno Gains of 10 hp and 13 lb.ft. of Torque
• Mandrel-bent 3.00-inch Dual Tailpipes
• Uses the Factory Hanger Locations
• Full Stainless Steel Construction
• Lifetime Limited Warranty
• Easy at Home Installation

Upgrade your 2019-2026 Chevrolet Silverado 1500 or GMC Sierra 1500 with the Flowmaster Outlaw Cat-Back Exhaust System, part number 817854. Designed for new-body-style Crew Cab and Double Cab trucks equipped with the 5.3L engine and factory single tailpipe, this emissions-legal system delivers an aggressive, deep, powerful exhaust tone inside and outside the vehicle. It is engineered for drivers who want maximum sound and performance while maintaining a practical bolt-on installation.
Built from full stainless steel, the system features a stainless steel Flowmaster Super 10 Series muffler, mandrel-bent 3.00-inch tubing, and dual 3.00-inch tailpipes designed to support strong exhaust flow. Dyno testing shows maximum gains of up to 10 horsepower and 13 lb.-ft. of torque at the rear wheels. The system uses the factory hanger locations and includes installation instructions and required hardware for a straightforward at-home installation.
Flowmaster 817854 includes large 4.00-inch double-wall black ceramic-coated stainless steel tips for a custom appearance. Choose between dual rear exits or dual side exits behind the rear wheels, with the side-exit configuration helping direct exhaust away from a boat or trailer during towing. This system is backed by a lifetime limited warranty and is designed for a precise fit on compatible trucks. It does not fit Crew Cab 2WD models with a two-piece driveshaft or vehicles equipped with factory dual exhaust tailpipes.

Features:

• Large 4.00-inch double-wall black ceramic-coated stainless steel tips

• Deep, powerful, aggressive tone inside and outside the vehicle

• Maximum dyno gains of 10 horsepower and 13 lb.-ft. of torque

• Mandrel-bent 3.00-inch dual stainless steel tailpipes

• Full stainless steel construction for durability

• Uses factory hanger locations for easier installation

• Dual rear or dual side exit tailpipe configurations

• Designed for 2019-2026 Chevrolet Silverado 1500 and GMC Sierra 1500 Crew Cab and Double Cab models with the 5.3L engine

• Fits vehicles with factory single tailpipe only

• Lifetime limited warranty

Fitment:
Chevrolet Silverado 1500 Custom 2019
Chevrolet Silverado 1500 Custom 2020
Chevrolet Silverado 1500 Custom 2021
Chevrolet Silverado 1500 Custom Trail Boss 2019
Chevrolet Silverado 1500 Custom Trail Boss 2020
Chevrolet Silverado 1500 Custom Trail Boss 2021
Chevrolet Silverado 1500 Custom Trail Boss 2022
Chevrolet Silverado 1500 Custom Trail Boss 2023
Chevrolet Silverado 1500 Custom Trail Boss 2024
Chevrolet Silverado 1500 Custom Trail Boss 2025
Chevrolet Silverado 1500 Custom Trail Boss 2026
Chevrolet Silverado 1500 High Country 2019
Chevrolet Silverado 1500 High Country 2020
Chevrolet Silverado 1500 High Country 2021
Chevrolet Silverado 1500 High Country 2022
Chevrolet Silverado 1500 High Country 2023
Chevrolet Silverado 1500 High Country 2024
Chevrolet Silverado 1500 High Country 2025
Chevrolet Silverado 1500 High Country 2026
Chevrolet Silverado 1500 LT 2019
Chevrolet Silverado 1500 LT 2020
Chevrolet Silverado 1500 LT 2021
Chevrolet Silverado 1500 LT 2022
Chevrolet Silverado 1500 LT 2023
Chevrolet Silverado 1500 LT 2024
Chevrolet Silverado 1500 LT 2025
Chevrolet Silverado 1500 LT 2026
Chevrolet Silverado 1500 LT Trail Boss 2019
Chevrolet Silverado 1500 LT Trail Boss 2020
Chevrolet Silverado 1500 LT Trail Boss 2021
Chevrolet Silverado 1500 LT Trail Boss 2022
Chevrolet Silverado 1500 LT Trail Boss 2023
Chevrolet Silverado 1500 LT Trail Boss 2024
Chevrolet Silverado 1500 LT Trail Boss 2025
Chevrolet Silverado 1500 LT Trail Boss 2026
Chevrolet Silverado 1500 LTZ 2019
Chevrolet Silverado 1500 LTZ 2020
Chevrolet Silverado 1500 LTZ 2021
Chevrolet Silverado 1500 LTZ 2022
Chevrolet Silverado 1500 LTZ 2023
Chevrolet Silverado 1500 LTZ 2024
Chevrolet Silverado 1500 LTZ 2025
Chevrolet Silverado 1500 LTZ 2026
Chevrolet Silverado 1500 PPV 2023
Chevrolet Silverado 1500 PPV 2024
Chevrolet Silverado 1500 PPV 2025
Chevrolet Silverado 1500 PPV 2026
Chevrolet Silverado 1500 RST 2019
Chevrolet Silverado 1500 RST 2020
Chevrolet Silverado 1500 RST 2021
Chevrolet Silverado 1500 RST 2022
Chevrolet Silverado 1500 RST 2023
Chevrolet Silverado 1500 RST 2024
Chevrolet Silverado 1500 RST 2025
Chevrolet Silverado 1500 RST 2026
Chevrolet Silverado 1500 SSV 2019
Chevrolet Silverado 1500 SSV 2020
Chevrolet Silverado 1500 SSV 2021
Chevrolet Silverado 1500 WT 2019
Chevrolet Silverado 1500 WT 2020
Chevrolet Silverado 1500 WT 2021
Chevrolet Silverado 1500 WT 2022
Chevrolet Silverado 1500 WT 2023
Chevrolet Silverado 1500 WT 2024
Chevrolet Silverado 1500 WT 2025
Chevrolet Silverado 1500 WT 2026
Chevrolet Silverado 1500 LTD High Country 2022
Chevrolet Silverado 1500 LTD LT 2022
Chevrolet Silverado 1500 LTD LT Trail Boss 2022
Chevrolet Silverado 1500 LTD LTZ 2022
Chevrolet Silverado 1500 LTD RST 2022
Chevrolet Silverado 1500 LTD SSV 2022
Chevrolet Silverado 1500 LTD WT 2022
GMC Sierra 1500 AT4 2019
GMC Sierra 1500 AT4 2020
GMC Sierra 1500 AT4 2021
GMC Sierra 1500 Base 2019
GMC Sierra 1500 Base 2020
GMC Sierra 1500 Base 2021
GMC Sierra 1500 Denali 2019
GMC Sierra 1500 Denali 2020
GMC Sierra 1500 Denali 2021
GMC Sierra 1500 Denali 2022
GMC Sierra 1500 Denali 2023
GMC Sierra 1500 Denali 2024
GMC Sierra 1500 Denali 2025
GMC Sierra 1500 Denali 2026
GMC Sierra 1500 Elevation 2019
GMC Sierra 1500 Elevation 2020
GMC Sierra 1500 Elevation 2021
GMC Sierra 1500 Elevation 2022
GMC Sierra 1500 Elevation 2023
GMC Sierra 1500 Elevation 2024
GMC Sierra 1500 Elevation 2025
GMC Sierra 1500 Elevation 2026
GMC Sierra 1500 Pro 2022
GMC Sierra 1500 Pro 2023
GMC Sierra 1500 Pro 2024
GMC Sierra 1500 Pro 2025
GMC Sierra 1500 Pro 2026
GMC Sierra 1500 SLE 2019
GMC Sierra 1500 SLE 2020
GMC Sierra 1500 SLE 2021
GMC Sierra 1500 SLE 2022
GMC Sierra 1500 SLE 2023
GMC Sierra 1500 SLE 2024
GMC Sierra 1500 SLE 2025
GMC Sierra 1500 SLE 2026
GMC Sierra 1500 SLT 2019
GMC Sierra 1500 SLT 2020
GMC Sierra 1500 SLT 2021
GMC Sierra 1500 SLT 2022
GMC Sierra 1500 SLT 2023
GMC Sierra 1500 SLT 2024
GMC Sierra 1500 SLT 2025
GMC Sierra 1500 SLT 2026
GMC Sierra 1500 Limited Denali 2022
GMC Sierra 1500 Limited Elevation 2022
GMC Sierra 1500 Limited Pro 2022
GMC Sierra 1500 Limited SLE 2022
GMC Sierra 1500 Limited SLT 2022