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Flowmaster introduces our Outlaw stainless steel cat-back exhaust system for the 2021-2026 Ford F-150 RCSB trucks with the 2.7, and 5.0-liter engines. Developed in collaboration with Waldoch Craft this system offers a highly custom 304 Stainless Steel Teardrop exit through the bedside in front of the tire. This system uses an Outlaw series muffler for an aggressive sound level and increased performance. 3.00-inch mandrel bent 409 stainless steel tubing allows for maximum exhaust flow and durability. Max dyno gains of 21 hp and 25 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.
Flowmaster Flowmaster Outlaw Cat-Back Exhaust System 818228
Specifications:
| Brand | Flowmaster |
| California Proposition 65 | Yes |
| California Proposition 65 Chemical Name | Chromium (hexavalent compounds) |
| California Proposition 65 Chemical Name | Nickel (Metallic) |
| CARB (California) Compliant | Yes |
| 2874 | 0 |
| Category | Exhaust |
| Choose Your Part | Exhaust System |
| 3728 | Flat Band |
| 1882 | Yes |
| Emission Code | 5 |
| Exhaust Series | Outlaw |
| 11205 | Brushed |
| 9874 | Clamp-On |
| 9876 | Teardrop |
| Exhaust Tip Diameter | 3.00 |
| 9877 | Cut |
| 1163 | Natural |
| Exhaust Tip Included | Yes |
| 9881 | No |
| Exhaust Tip Length | N/A |
| 1164 | 304 Stainless Steel |
| 1161 | 1 |
| 9878 | No |
| 10980 | Teardrop |
| 9875 | Single Wall |
| 9870 | Single Out Side - Bedside Exit |
| 200 | Brushed |
| 353 | No |
| 3390 | Performance |
| 4364 | Yes |
| Heat Shield Included | No |
| Inlet Diameter | 3.00 |
| 596 | Clamp-On |
| Material | 409 Stainless Steel |
| Mount Type | Uses New Hangers (Included) |
| 92 | Yes |
| Muffler Body Height | 4.00 |
| 4372 | 409 Stainless Steel |
| 4373 | Oval |
| Muffler Color | Black |
| 9882 | Black High-Temperature Paint Finish |
| 4367 | No |
| 4368 | No |
| Muffler Included | Yes |
| 9962 | Slip-Fit |
| Muffler Inlet Inside Diameter | 3.00 |
| Muffler Inlet Location | Center |
| Muffler Inlet Outside Diameter | 3.13 |
| 9963 | Slip-Fit |
| Muffler Outlet Diameter | 3.00 |
| Muffler Outlet Location | Center |
| 4375 | 1 |
| Muffler Part Number | Kit Only |
| 4374 | 1 |
| Muffler Series | Outlaw |
| Muffler Style | Oval |
| 1174 | Reflection |
| part type | Exhaust System |
| 3530 | 409 Stainless Steel |
| Product Type | Exhaust System |
| Sound Level | Aggressive |
| 4377 | No |
| Sub Category | Exhaust and Tail Pipes |
| Tail Pipe Outlet Outside Diameter | 3.00 |
| Tail Pipe Quantity | Single |
| 4370 | No |
| Tip Logo | N/A |
| 1378 | Teardrop |
| Main Piping Diameter | 3.00 |
| 26 | Cat-Back |
| 6014 | No |
| 2126 | Not Applicable |
| Warning | California Proposition 65 |
| Pipe Color | Silver |
| 11906 | No |
| Description_ABR | SYS 21-26 FO |
| Description_SHO | SYS 21-26 FORD F-150 |
| Description_INV | 21 F150 RCSB 50L BEDSIDE EXIT OTL |
| Description_ASC | Requires cutting a hole in the bed. Fits regular cab/short bed models only. Does not fit hybrid Powerboost models. Does not fit models with OEM active exhaust option. |
| Description_DES | Flowmaster Outlaw Cat-Back Exhaust System |
| Description_EXT | Fits 2021-2026 Ford F-150 2.7, 5.0-Liter Regular Cab Short Bed, Outlaw Cat-Back 3.00-inch Stainless Steel Exhaust System, Single Out Side - Bedside Exit |
| Description_MKT | Flowmaster introduces our Outlaw stainless steel cat-back exhaust system for the 2021-2026 Ford F-150 RCSB trucks with the 2.7, and 5.0-liter engines. Developed in collaboration with Waldoch Craft this system offers a highly custom 304 Stainless Steel Teardrop exit through the bedside in front of the tire. This system uses an Outlaw series muffler for an aggressive sound level and increased performance. 3.00-inch mandrel bent 409 stainless steel tubing allows for maximum exhaust flow and durability. Max dyno gains of 21 hp and 25 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. |
| Description_FAB | Developed in collaboration with Waldoch Craft Outlaw performance muffler offers an aggressive sound level and increased performance 409 stainless steel construction delivers extra durability and improved long-term corrosion resistance Max dyno gains of 21 hp and 25 lb-ft at the rear wheels 3.00-inch mandrel bent stainless steel tubing helps maintain maximum exhaust flow for better power Includes all necessary hardware for an at home installation 304 Stainless Steel Tear-Drop bedside exit tip with bezel for a high performance custom look Lifetime Limited Warranty |
This Part Fits:
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2021 | Ford | F-150 | King Ranch | |
| 2021 | Ford | F-150 | King Ranch | |
| 2022 | Ford | F-150 | King Ranch | |
| 2022 | Ford | F-150 | King Ranch | |
| 2023 | Ford | F-150 | King Ranch | |
| 2023 | Ford | F-150 | King Ranch | |
| 2024 | Ford | F-150 | King Ranch | |
| 2025 | Ford | F-150 | King Ranch | |
| 2026 | Ford | F-150 | King Ranch | |
| 2021 | Ford | F-150 | Lariat | |
| 2021 | Ford | F-150 | Lariat | |
| 2021 | Ford | F-150 | Lariat | |
| 2022 | Ford | F-150 | Lariat | |
| 2022 | Ford | F-150 | Lariat | |
| 2022 | Ford | F-150 | Lariat | |
| 2023 | Ford | F-150 | Lariat | |
| 2023 | Ford | F-150 | Lariat | |
| 2023 | Ford | F-150 | Lariat | |
| 2024 | Ford | F-150 | Lariat | |
| 2024 | Ford | F-150 | Lariat | |
| 2025 | Ford | F-150 | Lariat | |
| 2025 | Ford | F-150 | Lariat | |
| 2026 | Ford | F-150 | Lariat | |
| 2026 | Ford | F-150 | Lariat | |
| 2021 | Ford | F-150 | Limited | |
| 2022 | Ford | F-150 | Limited | |
| 2023 | Ford | F-150 | Limited | |
| 2021 | Ford | F-150 | Platinum | |
| 2021 | Ford | F-150 | Platinum | |
| 2022 | Ford | F-150 | Platinum | |
| 2022 | Ford | F-150 | Platinum | |
| 2023 | Ford | F-150 | Platinum | |
| 2023 | Ford | F-150 | Platinum | |
| 2024 | Ford | F-150 | Platinum | |
| 2025 | Ford | F-150 | Platinum | |
| 2026 | Ford | F-150 | Platinum | |
| 2021 | Ford | F-150 | Police Responder | |
| 2022 | Ford | F-150 | Police Responder | |
| 2023 | Ford | F-150 | Police Responder | |
| 2024 | Ford | F-150 | Police Responder | |
| 2025 | Ford | F-150 | Police Responder | |
| 2026 | Ford | F-150 | Police Responder | |
| 2021 | Ford | F-150 | SSV | |
| 2021 | Ford | F-150 | SSV | |
| 2022 | Ford | F-150 | SSV | |
| 2022 | Ford | F-150 | SSV | |
| 2023 | Ford | F-150 | SSV | |
| 2023 | Ford | F-150 | SSV | |
| 2024 | Ford | F-150 | SSV | |
| 2024 | Ford | F-150 | SSV | |
| 2025 | Ford | F-150 | SSV | |
| 2025 | Ford | F-150 | SSV | |
| 2026 | Ford | F-150 | SSV | |
| 2026 | Ford | F-150 | SSV | |
| 2024 | Ford | F-150 | STX | |
| 2024 | Ford | F-150 | STX | |
| 2025 | Ford | F-150 | STX | |
| 2025 | Ford | F-150 | STX | |
| 2026 | Ford | F-150 | STX | |
| 2026 | Ford | F-150 | STX | |
| 2021 | Ford | F-150 | Tremor | |
| 2022 | Ford | F-150 | Tremor | |
| 2023 | Ford | F-150 | Tremor | |
| 2023 | Ford | F-150 | Tremor | |
| 2024 | Ford | F-150 | Tremor | |
| 2024 | Ford | F-150 | Tremor | |
| 2025 | Ford | F-150 | Tremor | |
| 2025 | Ford | F-150 | Tremor | |
| 2026 | Ford | F-150 | Tremor | |
| 2026 | Ford | F-150 | Tremor | |
| 2021 | Ford | F-150 | XL | |
| 2021 | Ford | F-150 | XL | |
| 2021 | Ford | F-150 | XL | |
| 2022 | Ford | F-150 | XL | |
| 2022 | Ford | F-150 | XL | |
| 2022 | Ford | F-150 | XL | |
| 2023 | Ford | F-150 | XL | |
| 2023 | Ford | F-150 | XL | |
| 2023 | Ford | F-150 | XL | |
| 2024 | Ford | F-150 | XL | |
| 2024 | Ford | F-150 | XL | |
| 2024 | Ford | F-150 | XL | |
| 2025 | Ford | F-150 | XL | |
| 2025 | Ford | F-150 | XL | |
| 2025 | Ford | F-150 | XL | |
| 2026 | Ford | F-150 | XL | |
| 2026 | Ford | F-150 | XL | |
| 2026 | Ford | F-150 | XL | |
| 2021 | Ford | F-150 | XLT | |
| 2021 | Ford | F-150 | XLT | |
| 2021 | Ford | F-150 | XLT | |
| 2022 | Ford | F-150 | XLT | |
| 2022 | Ford | F-150 | XLT | |
| 2022 | Ford | F-150 | XLT | |
| 2023 | Ford | F-150 | XLT | |
| 2023 | Ford | F-150 | XLT | |
| 2023 | Ford | F-150 | XLT | |
| 2024 | Ford | F-150 | XLT | |
| 2024 | Ford | F-150 | XLT | |
| 2024 | Ford | F-150 | XLT | |
| 2025 | Ford | F-150 | XLT | |
| 2025 | Ford | F-150 | XLT | |
| 2025 | Ford | F-150 | XLT | |
| 2026 | Ford | F-150 | XLT | |
| 2026 | Ford | F-150 | XLT | |
| 2026 | Ford | F-150 | XLT |