Flowmaster introduces our Outlaw cat-back exhaust system for the 2021-2025 Ford F-150 with the 2.7, 3.5, or 5.0-liter engine and factory dual exit exhaust. The exhaust kit fits PowerBoost and non-hybrid models. This system uses the Super 10 series muffler for an aggressive exhaust tone and increased performance. Maximum dyno gains of 18 hp and 15 lb-ft were measured at the rear wheels. 3.00-inch mandrel bent 409 stainless steel tubing is used to maximize exhaust flow and durability. Dual 4.50-inch black ceramic coated stainless steel tips are used to add a custom look to the truck. All 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 818168
Specifications:
| Brand | Flowmaster |
| California Proposition 65 | Yes |
| California Proposition 65 Chemical Name | Nickel (Metallic) |
| California Proposition 65 Chemical Name | Chromium (hexavalent compounds) |
| CARB (California) Compliant | Yes |
| Catalytic Converter Included | No |
| 2874 | 0 |
| Category | Exhaust |
| 3728 | Flat Band |
| 1882 | Yes |
| Emission Code | 5 |
| Exhaust Series | Outlaw |
| 11205 | Black |
| 9874 | Clamp-On |
| 9876 | Angled |
| 1162 | 4.50 |
| 9877 | Rolled Edge |
| 1163 | Black Ceramic Coating |
| 9881 | No |
| 10104 | 11.00 |
| 1164 | 304 Stainless Steel |
| 1161 | 2 |
| 9878 | No |
| 10980 | Round |
| 9875 | Single Wall |
| 9870 | Dual Out Rear |
| 200 | Natural |
| 353 | No |
| 3390 | Performance |
| 4364 | Yes |
| 596 | Flanged |
| 9871 | 3.00 |
| Mount Type | Uses Factory Hangers |
| 92 | Yes |
| 9884 | 4.00 |
| 1892 | 6.50 |
| 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 |
| 4365 | 3.00 |
| Muffler Inlet Location | Center |
| 4366 | 3.13 |
| 9963 | Slip-Fit |
| Muffler Outlet Diameter | 3.00 |
| Muffler Outlet Location | Dual |
| 4375 | 2 |
| Muffler Overall Length | 12.20 |
| Muffler Part Number | Kit Only |
| 4374 | 1 |
| Muffler Series | 10 Series |
| 1174 | Reflection |
| part type | Exhaust System |
| 3530 | 409 Stainless Steel |
| Product Type | Exhaust System |
| Sound Level | Aggressive / Moderate |
| 4377 | No |
| Sub Category | Exhaust and Tail Pipes |
| 4369 | 3.00 |
| 4376 | 2 |
| Tail Pipe Quantity | Dual |
| 4370 | No |
| Tip Logo | Embossed |
| 26 | Cat-Back |
| 6014 | No |
| 2126 | Not Applicable |
| Warning | California Proposition 65 |
| Pipe Color | Silver |
| 9885 | 9.50 |
| Brand | Flowmaster |
| California Proposition 65 | Yes |
| California Proposition 65 Chemical Name | Nickel (Metallic) |
| California Proposition 65 Chemical Name | Chromium (hexavalent compounds) |
| CARB (California) Compliant | Yes |
| Catalytic Converter Included | No |
| 2874 | 0 |
| Category | Exhaust |
| 3728 | Flat Band |
| 1882 | Yes |
| Emission Code | 5 |
| Exhaust Series | Outlaw |
| 11205 | Black |
| 9874 | Clamp-On |
| 9876 | Angled |
| 1162 | 4.50 |
| 9877 | Rolled Edge |
| 1163 | Black Ceramic Coating |
| 9881 | No |
| 10104 | 11.00 |
| 1164 | 304 Stainless Steel |
| 1161 | 2 |
| 9878 | No |
| 10980 | Round |
| 9875 | Single Wall |
| 9870 | Dual Out Rear |
| 200 | Natural |
| 353 | No |
| 3390 | Performance |
| 4364 | Yes |
| 596 | Flanged |
| 9871 | 3.00 |
| Mount Type | Uses Factory Hangers |
| 92 | Yes |
| 9884 | 4.00 |
| 1892 | 6.50 |
| 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 |
| 4365 | 3.00 |
| Muffler Inlet Location | Center |
| 4366 | 3.13 |
| 9963 | Slip-Fit |
| Muffler Outlet Diameter | 3.00 |
| Muffler Outlet Location | Dual |
| 4375 | 2 |
| Muffler Overall Length | 12.20 |
| Muffler Part Number | Kit Only |
| 4374 | 1 |
| Muffler Series | 10 Series |
| 1174 | Reflection |
| part type | Exhaust System |
| 3530 | 409 Stainless Steel |
| Product Type | Exhaust System |
| Sound Level | Aggressive / Moderate |
| 4377 | No |
| Sub Category | Exhaust and Tail Pipes |
| 4369 | 3.00 |
| 4376 | 2 |
| Tail Pipe Quantity | Dual |
| 4370 | No |
| Tip Logo | Embossed |
| 26 | Cat-Back |
| 6014 | No |
| 2126 | Not Applicable |
| Warning | California Proposition 65 |
| Pipe Color | Silver |
| 9885 | 9.50 |
| Description_ABR | SYS 21-25 F- |
| Description_SHO | SYS 21-25 F-150 CB-O |
| Description_INV | 21-25 F-150 CB-OTL-DUAL FACT TAILPIPE |
| Description_ASC | Does not fit models with OEM active exhaust option. |
| Description_DES | Flowmaster Outlaw Cat-Back Exhaust System |
| Description_EXT | Fits 2021-2025 Ford F150 2.7, 3.5 and 5.0-liter, PowerBoost and non-hybrid with Factory Dual Tailpipes, Outlaw Cat-Back 3.0-inch Stainless Steel Exhaust System, 4.50-inch Black Tips |
| Description_MKT | Flowmaster introduces our Outlaw cat-back exhaust system for the 2021-2025 Ford F-150 with the 2.7, 3.5, or 5.0-liter engine and factory dual exit exhaust. The exhaust kit fits PowerBoost and non-hybrid models. This system uses the Super 10 series muffler for an aggressive exhaust tone and increased performance. Maximum dyno gains of 18 hp and 15 lb-ft were measured at the rear wheels. 3.00-inch mandrel bent 409 stainless steel tubing is used to maximize exhaust flow and durability. Dual 4.50-inch black ceramic coated stainless steel tips are used to add a custom look to the truck. All the necessary hardware is included and factory mounting locations are used for an easy installation. Backed by Flowmaster's Lifetime Limited Warranty. |
| Description_FAB | Max increases of up to 18 hp and 15 lb-ft over the stock exhaust at the rear wheels |
| Description_FAB | Super 10 series performance muffler offers a deep powerful sound and increased performance |
| Description_FAB | 409 stainless steel construction delivers extra durability and improved long-term corrosion resistance |
| Description_FAB | Uses factory hanger locations for easy installation |
| Description_FAB | 3.00-inch 16-gauge mandrel bent stainless steel tubing helps maintain maximum exhaust flow for better power |
| Description_FAB | Includes all necessary hardware for an at home installation |
| Description_FAB | Dual 4.50-inch black ceramic coated steel tips add a custom look |
| Description_FAB | Clears the Factory Spare Tire with NO Restrictive flattening like the factory tail pipe |
| Description_FAB | Lifetime Limited Warranty |
| Description_ABR | SYS 21-25 F- |
| Description_SHO | SYS 21-25 F-150 CB-O |
| Description_INV | 21-25 F-150 CB-OTL-DUAL FACT TAILPIPE |
| Description_ASC | Does not fit models with OEM active exhaust option. |
| Description_DES | Flowmaster Outlaw Cat-Back Exhaust System |
| Description_EXT | Fits 2021-2025 Ford F150 2.7, 3.5 and 5.0-liter, PowerBoost and non-hybrid with Factory Dual Tailpipes, Outlaw Cat-Back 3.0-inch Stainless Steel Exhaust System, 4.50-inch Black Tips |
| Description_MKT | Flowmaster introduces our Outlaw cat-back exhaust system for the 2021-2025 Ford F-150 with the 2.7, 3.5, or 5.0-liter engine and factory dual exit exhaust. The exhaust kit fits PowerBoost and non-hybrid models. This system uses the Super 10 series muffler for an aggressive exhaust tone and increased performance. Maximum dyno gains of 18 hp and 15 lb-ft were measured at the rear wheels. 3.00-inch mandrel bent 409 stainless steel tubing is used to maximize exhaust flow and durability. Dual 4.50-inch black ceramic coated stainless steel tips are used to add a custom look to the truck. All the necessary hardware is included and factory mounting locations are used for an easy installation. Backed by Flowmaster's Lifetime Limited Warranty. |
| Description_FAB | Max increases of up to 18 hp and 15 lb-ft over the stock exhaust at the rear wheels |
| Description_FAB | Super 10 series performance muffler offers a deep powerful sound and increased performance |
| Description_FAB | 409 stainless steel construction delivers extra durability and improved long-term corrosion resistance |
| Description_FAB | Uses factory hanger locations for easy installation |
| Description_FAB | 3.00-inch 16-gauge mandrel bent stainless steel tubing helps maintain maximum exhaust flow for better power |
| Description_FAB | Includes all necessary hardware for an at home installation |
| Description_FAB | Dual 4.50-inch black ceramic coated steel tips add a custom look |
| Description_FAB | Clears the Factory Spare Tire with NO Restrictive flattening like the factory tail pipe |
| Description_FAB | 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 2024 | Ford | F-150 | STX | |
| 2024 | Ford | F-150 | STX | |
| 2024 | Ford | F-150 | STX | |
| 2025 | Ford | F-150 | STX | |
| 2025 | Ford | F-150 | STX | |
| 2025 | 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 | |
| 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 | |
| 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 |