Exhaust› Exhaust Pipes, Systems and Components
Flowmaster
Flow Fx Cat-Back Exhaust System Fits 2015-2020 Ford F-150 With 2.7L/3.3L/3.5L Ecoboost, 3.5L Tivct Or 5.0L Engine Aggressive To Moderate Sound Flowmaster
SKU: F00L 717871
Moderate — 2–4 hours
Description
Part #: 717871
Our new Flow FX cat-back exhaust system is manufactured using durable 409S stainless steel throughout and features a 3.00-inch inlet pipe leading to a single inlet/dual outlet Flow FX straight-through muffler for great sound and maximum performance. The dual 2.50-inch mandrel bent stainless tailpipes exit out the sides at an angle behind the rear wheels directing exhaust away from your boat or travel trailer when towing.The system is finished off with a pair of large 4.50-inch diameter black ceramic coated 304S stainless steel tips, giving your truck a custom look that goes hand in hand with that deep performance Flow FX sound. The system uses all the existing factory hanger locations and includes an additional hanger to install the new left side tailpipe. Includes installation instructions and all necessary hardware for an easy installation that you can do at home. Note: Fits 2/4 Wheel Drive.Large 4.5-inch Black Ceramic Coated Stainless Steel TipsDeep Powerful Tone Inside and Outside the VehicleFlowFX straight-through Performance MufflerUses the Factory Hanger LocationsIncludes All Necessary HardwareFull Stainless Steel ConstructionClears the Factory Spare TireLifetime Limited WarrantyEasy Installation
Features:
- Large 4.5-inch Black Ceramic Coated Stainless Steel Tips
- Deep Powerful Tone Inside And Outside The Vehicle
- Deep Powerful Tone Inside and Outside the Vehicle
- Full Stainless Steel Construction
- FlowFX "Straight-through" Performance Muffler
- Easy At Home Installation
- Uses the Factory Hanger Locations
- Includes All Necessary Hardware
- Full Stainless Steel Construction
- Clears the Factory Spare Tire
- Lifetime Limited Warranty
- Easy Installation
FlowFX Cat-Back Exhaust System | Single Inlet | Dual Out Side Exit | Incl. 3 in. Tubing/Straight Through Mufflers/4.5 in. Round Black Ceramic Coated Tips | 409 Stainless Steel
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
MIA's Description
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Flowmaster |
| Part Number | F00L 717871 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy