Flowmaster
Flowmaster 817981 Outlaw Cat-Back Exhaust System
Flowmaster 817981 Outlaw Cat-Back Exhaust System
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Description & Features
Flowmaster 817981 Outlaw Cat-Back Exhaust System
This Flowmaster® Outlaw® cat-back exhaust system is for the 2021-2026 Ford F-150 trucks with the 2.7L, 3.5L and 5.0L engines and offers maximum sound levels both inside and outside of the truck, with all of the performance benefits that you would expect from Flowmaster. This bolt-on emissions-legal system features all mandrel-bent 409 stainless steel 3.00-inch tubing flowing into a Super 10™ Series muffler and exiting into large 3.00-inch dual tailpipes for maximum sound and performance. The system comes with two sets of tailpipe exits for you to choose from, either straight out the back under the bumper, or exiting behind the rear wheels, which is ideal for towing applications. The tailpipes are finished off with a pair of large 4.00-inch black ceramic-coated stainless steel tips and the exhaust system is covered by our Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation. Note: Fits 2/4 wheel drive.
- Super 10 Series Performance Muffler Offers a Deep Powerful Sound and Increased Performance
- Uses the Factory Hanger Locations for Easy Installation
- Full Stainless Steel Construction Delivers Extra Durability and Improved Corrosion Resistance
- Lifetime Limited Warranty
- 0-inch 16-Gauge Mandrel Bent Tubing Maintains Maximum Exhaust Flow for Better Power
- Includes Rear and Side Exit Tailpipes So You Can Choose Your Style
- Large 4.00-inch Black Ceramic Coated Tips add a Distinctive Look to Your Truck
- Clears the Factory Spare Tire
Specifications
| Brand | Flowmaster |
| California Proposition 65 | Yes |
| California Proposition 65 Chemical Name | Chromium (hexavalent compounds) |
| CARB (California) Compliant | Yes |
| Catalytic Converter Included | No |
| Catalytic Converter Quantity | 0 |
| Category | Exhaust |
| Clamping Type | Flat Band |
| Clamps Included | Yes |
| Emission Code | 5 |
| Exhaust Series | Outlaw |
| Exhaust Tip Color | Black |
| Exhaust Tip Connection | Clamp-On |
| Exhaust Tip Cut | Angled |
| Exhaust Tip Diameter | 4.00 |
| Exhaust Tip Edge | Angle Cut |
| Exhaust Tip Finish | Black Ceramic Coating |
| Exhaust Tip Intercooled | No |
| Exhaust Tip Length | 13.00 |
| Exhaust Tip Material | 304 Stainless Steel |
| Exhaust Tip Quantity | 2 |
| Exhaust Tip Resonated | No |
| Exhaust Tip Shape | Round |
| Exhaust Tip Wall | Double Wall |
| Exit Style | Dual Out Rear |
| Finish | Natural |
| Gasket Or Seal Included | No |
| Grade Type | Performance |
| Hangers Included | Yes |
| Inlet Type | Clamp-On |
| Main Piping Diameter | 3.00 |
| Mount Type | Uses Factory Hangers |
| Mounting Bracket Included | Yes |
| Muffler Body Height | 4.00 |
| Muffler Body Length | 6.50 |
| Muffler Body Material | 409 Stainless Steel |
| Muffler Body Shape | Oval |
| Muffler Body Width | 9.50 |
| Muffler Color | Black |
| Muffler Finish | Black High-Temperature Paint Finish |
| Muffler Flanged Inlet | No |
| Muffler Flanged Outlet | No |
| Muffler Included | Yes |
| Muffler Inlet Connection | Slip-Fit |
| Muffler Inlet Inside Diameter | 3.00 |
| Muffler Inlet Location | Center |
| Muffler Inlet Outside Diameter | 3.13 |
| Muffler Outlet Connection | Slip-Fit |
| Muffler Outlet Diameter | 3.00 |
| Muffler Outlet Location | Dual |
| Muffler Outlet Quantity | 2 |
| Muffler Overall Length | 12.20 |
| Muffler Part Number | Kit Only |
| Muffler Quantity | 1 |
| Muffler Series | 10 Series |
| Muffler Type | Reflection |
| part type | Exhaust System |
| Pipe Color | Silver |
| Pipe Material | 409 Stainless Steel |
| Product Type | Exhaust System |
| Sound Level | Aggressive |
| Spring Bolt Kit Included | No |
| Sub Category | Exhaust and Tail Pipes |
| Tail Pipe Outlet Outside Diameter | 3.00 |
| Tail Pipe Quantity | Dual |
| Tail Pipe Tapered Outlet | No |
| Tip Logo | Embossed |
| Type | Cat-Back |
| Valve Included | No |
| Valve Type | Not Applicable |
| Warning | California Proposition 65 |
Packaging Information
Weight: 61.2 lbs
Dimensions: 58 x 17 x 13 IN
Safety
⚠ WARNING: This product can expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information visit www.P65Warnings.ca.gov
Warranty
Installation Instructions
⚠ Fitment Notes
- Black Ceramic Tip Finish, Does not fit regular cab with 6.5' bed, does not fit models with factory dual exhaust, active exhaust or hybrid Powerboost
- 2021-2026 Ford f-150 Trucks with 2.7L, 3.5L Ecoboost, 3.5L Ti-VCT and 5.0L engines. Fits 2 & 4-wheel drive. Does not fit Raptor, hybrid Powerboost, or Tremor models. Does not fit standard cab, 6.5' bed models. Does not fit models with OEM active exhaust option.
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Vehicle Fitment
Vehicle Fitment
- 2021-2026 Ford F-150 King Ranch
- 2021-2026 Ford F-150 Lariat
- 2021-2023 Ford F-150 Limited
- 2021-2026 Ford F-150 Platinum
- 2021-2026 Ford F-150 Police Responder
- 2021-2026 Ford F-150 SSV
- 2024-2026 Ford F-150 STX
- 2021-2026 Ford F-150 Tremor
- 2021-2026 Ford F-150 XL
- 2021-2026 Ford F-150 XLT
