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Upgrading the cat-back exhaust on a 2015-2020 Ford F-150 can noticeably change how the truck breathes, sounds, and performs under load. Whether you tow, haul, or use the truck as a daily driver, the right system balances durability, tone, and fitment to suit your needs.This guide covers six shortlisted cat-back systems chosen for reliable fitment and realistic performance gains for the 2015-2020 F-150. We evaluate each option for build material, ease of installation, and how the system affects sound and drivability to help you pick the best direction for your truck.
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Top Picks at a Glance
| Best Overall The best all-around choice for most situations | Flowmaster Outlaw 817726 3" Cat-Back Exhaust Kit with 4" Black Ceramic Tips |  |
| Best Quality Built to a higher standard if you want something more solid | Borla S-Type Cat-Back Exhaust System (fits 2015–2020 Ford F-150) |  |
| Best Value The sweet spot between price and what you get | Flowmaster FlowFX Cat-Back Exhaust Kit, 3-Inch Stainless Steel |  |
| Best Budget The cheapest option that still gets the job done reliably | MBRP XP Series S5262AL 3" Cat-Back Exhaust System (Pre-Axle Dual Outlet) |  |
| Highest Rated A top-rated pick with lots of positive feedback | Borla 140619 ATAK Cat-Back Exhaust for 2015–2020 Ford F-150 |  |
| Most Popular A crowd favorite that many people choose with confidence | MBRP XP Series 3" Single Side Dual Outlet Cat-Back Exhaust (S5260409) |  |
Flowmaster Outlaw 817726 3" Cat-Back Exhaust Kit with 4" Black Ceramic Tips
| Automotive Fit Type | Vehicle Specific Fit |
|---|---|
| OEM Equivalent Part Number | 817726 |
| Material Type | Plastic |
| Includes | Rear and side tailpipe exits |
The Flowmaster Outlaw 817726 cat-back replaces the factory rear exhaust with a 3-inch stainless steel system and large 4-inch black ceramic-coated tips for a pronounced, aggressive tone and a muscular look. Designed for 2015–2020 Ford F-150 2.7L, 3.5L and 5.0L engines (excludes standard cab short bed and Raptor), it installs using the provided pipes, mufflers and clamps and offers rear and side tailpipe exit options. In use it delivers a loud, throaty sound that draws attention and can improve throttle feel at higher RPMs. The Super 10 series muffler produces a raw, performance-oriented note that suits owners who want a bold exhaust personality. Fitment is vehicle-specific so installation is straightforward for a home mechanic, though some buyers reported clamp fit issues and occasional shipping damage that might require minor adjustments or welding. This system emphasizes sound and appearance over subtlety, so it is best for drivers who prioritize aggressive tone rather than quiet daily comfort or maximum low-end drivability.
Best for: Buyers who want a bold, attention-grabbing exhaust for their 2015–2020 F-150 and prioritize aggressive sound and appearance over a quiet daily driver experience.
Less Ideal for: Those seeking a subtle or near-stock sound, maximum low-end torque for towing, or a completely bolt-perfect out-of-the-box install experience should consider quieter or higher-precision alternatives.
- Vehicle-specific fitment for 2015–2020 Ford F-150 2.7L, 3.5L and 5.0L engines makes installation straightforward
- 304-style stainless steel construction resists corrosion and keeps the system looking sharp
- Large 4-inch black ceramic-coated tips provide a bold visual upgrade
- Super 10 series muffler produces a deep, aggressive sound and stronger throttle response at higher RPMs
- Quite loud; may be intrusive for neighborhood or daily commuting use
- Some customers report fitment and clamp compression issues requiring adjustments or minor welding
Verdict: If you want an aggressive, head-turning exhaust tone and strong visual impact on a 2015–2020 F-150, the Flowmaster Outlaw 817726 delivers exactly that.
Borla S-Type Cat-Back Exhaust System (fits 2015–2020 Ford F-150)
| Material | T-304 Stainless Steel |
|---|---|
| Configuration | S-Type cat-back, dual outlets |
| Inlet/Outlet | 3 in. inlet, dual 2.25 in. outlets |
| Tips | 4 in. dual round rolled angle cut tips |
This Borla S-Type cat-back replaces the factory rear exhaust on compatible 2015–2020 F-150s with a full T-304 stainless steel, all-welded system that bolts on using included hardware. It routes 3 inch inlet piping into a muffler and exits through dual 2.25 inch outlets with 4 inch rolled angle-cut tips for a deeper V8 note without constant cabin drone at cruising speed. Typical use is bolt-on installation on ramps or lifts; users report straightforward fitment and clear instructions. The main benefits are long-term corrosion resistance from 304 stainless, the characteristic Borla sound that stays quiet during light throttle and opens up under acceleration, and a visible, finished tip for the rear. Expect modest gains in throttle response and possible slight fuel economy improvement, but no dramatic power jump without additional tuning or intake changes. The system is pricier than budget options, and buyers should be prepared for a heavier assembly and professional help if they lack tools or lifting equipment.
Best for: Buyers focused on high-quality sound and durability who want a bolt-on exhaust that gives a deeper, refined V8 note without constant cabin drone during regular driving.
Less Ideal for: If you want the loudest possible system, a lightweight race-only setup, or are on a tight budget, this premium street-oriented system may not be the best match.
- T-304 stainless steel construction resists corrosion much longer than cheaper 409 systems
- Bolt-on design with all-welded construction and included hardware for straightforward installation
- Signature Borla S-Type tone that minimizes cruising drone while adding a deep rumble under acceleration
- Dual rolled 4 inch angle-cut tips that provide a finished, factory-quality rear appearance
- Premium price compared with basic aftermarket cat-back systems
Verdict: Choose this Borla S-Type if you want a durable, bolt-on cat-back that gives a deep, non‑droning V8 tone and a factory-quality finish for your 2015–2020 F-150.
Flowmaster FlowFX Cat-Back Exhaust Kit, 3-Inch Stainless Steel
| Inlet Connection Size | 3 Inches |
|---|---|
| Material Type | 409 stainless steel |
| Automotive Fit Type | Vehicle Specific Fit |
| Compatible with Vehicle Type | Ford F-150 |
This Flowmaster FlowFX cat-back replaces the factory rear exhaust on 2015–2020 Ford F-150 trucks with 3.0-inch mandrel-bent stainless tubing and a Flow FX muffler tuned for a deep, aggressive tone. It is typically installed using the truck's factory hanger locations and includes the hardware needed for a home or shop install, making it a one-to-two hour job for a competent DIYer. The 409 stainless construction and 16-gauge tubing increase corrosion resistance and keep exhaust flow high, which Flowmaster reports can yield measurable rear-wheel gains in horsepower and torque. Notable features are the dump-style exit for improved ground clearance, a loud low-to-high RPM voice that many buyers find commanding, and a lifetime limited warranty. Limitations are its strong volume at higher RPMs that may be too loud for those seeking a mild upgrade and the occasional rasp reported at wide-open throttle. Fitment is vehicle-specific, so pick the correct kit for the F-150 engine option when ordering.
Best for: Buyers who prioritize a practical performance upgrade that adds measurable rear-wheel power and a pronounced exhaust note while keeping installation straightforward and durable construction.
Less Ideal for: Drivers who want a subtle or quiet exhaust change or those who need a perfectly smooth, refined tone at full throttle should consider milder muffler options.
- Mandrel-bent 3.0-inch stainless tubing preserves exhaust flow for potential power gains
- Flow FX muffler delivers a deep, aggressive tone that many owners want
- Uses factory hanger locations and includes hardware for relatively simple installation
- 409 stainless construction improves corrosion resistance for long-term durability
- Decidedly loud at higher RPMs which may be intrusive for some drivers
- Some users report a raspy or crackly character at wide-open throttle
Verdict: Choose this Flowmaster kit if you want a durable, factory-fit cat-back that boosts flow and gives the F-150 a bold, performance-focused sound.
MBRP XP Series S5262AL 3" Cat-Back Exhaust System (Pre-Axle Dual Outlet)
| Fitment | 2015–2020 Ford F-150 (excludes reg cab short box per listing) |
|---|---|
| Tubing | Mandrel-bent 3" |
| Material | T409 stainless, 16 gauge |
| Configuration | Pre-axle dual outlet |
| Manufacturer part number | S5262AL |
This MBRP XP Series cat-back replaces the factory rear section with mandrel-bent 3" tubing and a pre-axle dual outlet to give 2015–2020 F-150s a fuller, deeper exhaust note while retaining a straightforward bolt-on installation. Constructed from T409 stainless at 16 gauge, the system is built for corrosion resistance on trucks that see salt, gravel, and regular use and is backed by the brand lifetime warranty. In real-world use it delivers a pronounced mid to low tone that many buyers describe as aggressive without being overwhelming at cruising speeds, though several owners report cabin drone at highway speeds or under load. Fitment requires trimming the factory pipe on some installs and attention to tip alignment, but most users find install quick for a standard shop or competent DIYer. The system balances durability and sound at a price point aimed at value-minded buyers, but if you want a fully quiet street-to-track setup or absolute no-drone cruising you may need a different tip or a different design.
Best for: Buyers who want a durable, louder cat-back that improves sound and appearance on a budget and are willing to accept some cabin drone for a stronger tone.
Less Ideal for: Drivers seeking a near-silent upgrade, no interior drone at highway speeds, or a system tuned for maximum performance gains should consider other designs.
- T409 stainless construction resists corrosion for long-term use on trucks
- Mandrel-bent 3" tubing preserves flow for improved sound and potential performance
- Pre-axle dual outlet produces a deep, aggressive tone favored by enthusiasts
- Lifetime warranty provides added confidence in durability
- Notable interior drone reported by several owners at certain speeds or loads
- Requires cutting or trimming of the factory pipe during installation on some trucks
Verdict: If you want a rugged, value-focused cat-back that gives your 2015–2020 F-150 a deeper, aggressive exhaust tone with long-term corrosion resistance, this MBRP XP system is a strong choice.
Borla 140619 ATAK Cat-Back Exhaust for 2015–2020 Ford F-150
| Material Type | Stainless Steel |
|---|---|
| Included Components | Catback |
| Manufacturer Part Number | 140619 |
| Brand Name | Borla |
This Borla ATAK cat-back replaces the factory rear section with a T-304 stainless steel system engineered for 2015–2020 Ford F-150 applications. It bolts on with welded construction and provides a much more aggressive, turbo-friendly tone on EcoBoost and V6 engines while minimizing mid-range drone. Typical use is street and light performance driving where drivers want deeper exhaust character without complex wiring or tuning. Notable features include full stainless construction for corrosion resistance, a truck side exit layout for a distinct sound and finish, and bolt-on fitment that most shops can install in a couple of hours. The system is made in the USA and uses Borla’s ATAK tuning, which produces a commanding note especially when paired with an intake; some customers report very high peak dB on cold starts when paired with other mods. Expect strong build quality and longevity, but be prepared for significantly louder exhaust volume compared with stock and potential fitment tweaks on trucks with lowered or unusual hanger setups.
Best for: Buyers who prioritize a durable, factory-quality replacement that noticeably improves exhaust sound and is built to last while keeping installation straightforward.
Less Ideal for: Drivers who need a quiet, subtle exhaust for daily long-distance commuting or those who cannot tolerate high-volume systems in neighborhood settings.
- T-304 stainless steel construction resists corrosion for long service life
- Bolt-on design with welded joints simplifies professional or DIY installation
- ATAK tuning gives aggressive, full sound suited to turbocharged and V6 F-150s
- Made in the USA with a reputation for solid manufacturing and fitment
- Significantly louder than stock which can be intrusive in residential or long-distance cruising scenarios
Verdict: Choose this Borla ATAK cat-back if you want a rugged, long-lasting stainless system that delivers an aggressive, well-built exhaust upgrade for 2015–2020 F-150s.
MBRP XP Series 3" Single Side Dual Outlet Cat-Back Exhaust (S5260409)
| Material Type | Stainless Steel |
|---|---|
| Tubing Diameter | 3 inch |
| Compatible with Vehicle Type | Truck |
| OEM Equivalent Part Number | S5260409 |
This MBRP XP Series cat-back replaces the rear section of the factory exhaust with 3-inch mandrel-bent tubing and dual outlets that exit in front of the rear wheel to deliver a deep, throaty tone. It is built from stainless steel and designed as a direct-fit bolt-on system that uses factory hangers and includes clamps and hardware for a one-and-a-half to two hour DIY install on compatible trucks. In use the system produces a pronounced, performance-oriented sound across the rev range and tends to be louder at startup and under throttle; some owners report mild cabin drone at cruising speeds and a fitment step that may require trimming the straight pipe to length. Notable positives are the durable T409/T304 construction, dyno-tuned flow to help reduce backpressure, and stamped tips that add visual polish. Downsides are the higher cabin noise level for long highway drives and occasional need for minor hardware swaps during installation. For anyone prioritizing a rich, aggressive exhaust note and straightforward install this system delivers strong value for the segment.
Best for: Buyers who want a durable, performance-focused cat-back that prioritizes sound and straightforward DIY fitment and who value social proof from user reviews when assessing reliability.
Less Ideal for: Drivers who need a near-silent or mild exhaust for long highway towing or quiet daily commuting should consider quieter or resonated options instead.
- Mandrel-bent 3" tubing improves exhaust flow and reduces backpressure
- 304/T409 stainless construction resists corrosion and holds up to road abuse
- Bolt-on design uses factory hangers for a mostly DIY installation
- Tuned muffler and dual outlet produce a deep, aggressive tone and visual upgrade
- Produces noticeable cabin noise and occasional drone at cruising speeds
- May require cutting the straight pipe to fit some bed/length configurations
- Supplied flange hardware may need replacement with longer bolts on some trucks
Verdict: Choose this MBRP cat-back if you want a robust stainless system that delivers a deep, attention-grabbing tone with a straightforward bolt-on install for your F-150.
Choosing the Right 2015-2020 Ford F-150 Cat-back Exhaust System: Key Factors to Consider
Material and Corrosion Resistance
Material choice determines how long a cat-back system will resist rust and maintain fit. Stainless steel alloys with thicker wall gauges typically outlast aluminized steel in wet or salted-road conditions. For Ford F-150 owners who keep trucks for many years or drive in climates with road salt, investing in higher-grade stainless and welded joints reduces the chance of leaks and hanger failures.
Corrosion resistance also affects sound and appearance over time. Corroded muffler shells and clamps can change tone and lead to noisy connections. Consider whether protective finishes or mandrel-bent stainless components are offered to improve longevity under everyday use.
Sound Profile and Noise Management
How a cat-back changes your F-150's sound matters for daily comfort and legal compliance. Muffler design, resonator placement, and pipe diameter shape idle character, cabin resonance, and exhaust volume under load. Owners who tow regularly often prefer systems that add a deeper, lower-frequency tone without excessive droning on the highway.
Also think about cabin noise versus exterior sound. Some aggressive designs produce satisfying exterior tone but create annoying drone at cruising speeds. Balance your desired exterior presence with how many miles you spend on the highway versus local driving.
Fitment and Installation Complexity
A system that fits using factory hangers and existing cutouts saves time and reduces the risk of alignment issues. For the 2015-2020 F-150, attention to exhaust routing around tow hooks, crossmembers, and bumper valances is essential. Kits that include complete hardware, clear instructions, and vehicle-specific flanges simplify installation for DIYers.
Consider whether you have access to lifts or specialty tools. Some systems require temporary hanger manipulation or minor trimming of trim panels. If a shop install is planned, factor in labor time for welding versus bolt-on connections.
Pipe Diameter and Flow Characteristics
Pipe size influences flow, backpressure, and torque characteristics. Slightly larger diameters can reduce restriction and support modest power increases, but oversized piping may reduce low-end torque that trucks rely on for towing. For the F-150's range of engines and common use cases, choose a diameter that improves flow without sacrificing low-speed response.
Mandrel bends maintain cross-section through curves and preserve flow versus crush-bent pipes. Smooth transitions, properly sized resonators, and stepped sections can tune power delivery and help avoid flat spots in the torque curve during everyday driving.
Resonators and Muffler Design
Resonators and mufflers control tone, resonance, and perceived loudness. The placement and internal packing density affect harmonic frequencies and whether the system produces desirable rumble or unwanted drone. For trucks that spend time towing or hauling, a design that controls resonance at highway RPMs is beneficial.
Some systems offer removable or replaceable resonators so tone can be adjusted later. Evaluate whether the kit's muffler orientation, packing type, and resonator location align with your priorities for sound and comfort.
Compatibility With Accessories and Towing
Your F-150 may carry hitch receivers, bed-mounted accessories, or sensors that affect exhaust routing. Confirm that the cat-back maintains proper clearance for hitch-mounted cargo and leaves room for spare tire access and heat-sensitive components. Exhaust tips and exit locations should not interfere with bumper sensors or rear step designs.
Also consider how the system handles exhaust heat under towing loads. Systems with better heat shielding or routing away from sensitive components reduce the risk of heat soak to nearby lines or plastic trim.
Choosing the Right Pipe Size for Your Use
Pick a pipe diameter based on how you use the truck. If you do a lot of towing or low-speed work, a moderate diameter preserves torque and throttle response. For owners focused on maximum flow for higher-RPM performance, a slightly larger diameter will be beneficial.
Mandrel-bent pipes keep cross-sectional area consistent through bends, which helps maintain smooth exhaust flow and avoids turbulence that can reduce efficiency. Also check whether the system uses stepped or consistent piping, as stepped designs can help retain low-end torque while allowing higher flow further downstream.
- Smaller diameters favor low-end torque and towing.
- Larger diameters reduce restriction at high RPM but can hurt low-speed response.
- Mandrel bends preserve internal diameter through curves.
Understanding Exhaust Tone and Drone
Exhaust tone depends on muffler internals and resonator placement. Systems tuned for deeper sound will often emphasize low-frequency output and may introduce more cabin drone at specific RPM ranges. Consider how much time you spend cruising; if highway miles are high, avoid aggressive setups that create mid-range drone.
Look for systems that specify drone reduction or use multiple resonators to manage harmonic frequencies. A system that sounds great standing still can be unpleasant on long trips if it produces an annoying resonance in the cab.
- Resonators reduce narrow-band drone.
- Muffler packing density affects tone warmth and decay.
- Exhaust tip shape and outlet positioning slightly change perceived sound.
Installation Tips for the 2015-2020 F-150
Most cat-back systems for this F-150 range are designed to utilize factory hangers and flange points. Before starting, let the truck cool and support it safely on jack stands or a lift. Inspect hangers and rubber isolators for wear and replace if necessary to ensure proper alignment.
Use anti-seize on bolts and consider replacing rusted clamps. If a kit includes plug-and-play flanges and clamps, hand-fit everything before final tightening to avoid misalignment. If you are unsure about welding or cutting steps, consult a professional installer to prevent fitment problems.
- Check hanger condition before install.
- Hand-fit then torque all clamps to spec.
- Use corrosion-resistant hardware where possible.
Heat Management and Underbody Clearance
Exhaust routing and heat from the cat-back can affect nearby components like brake lines, fuel lines, and plastic trim. Ensure sufficient clearance between the new pipes and underbody components, and look for systems that include heat shields or routing that keeps hot sections away from sensitive areas.
Consider the effect of prolonged towing on exhaust temperatures. Systems with better thermal isolation reduce the risk of heat transfer to cargo or bed-mounted accessories.
- Confirm clearance around crossmembers and hitch areas.
- Heat shields help protect nearby components.
- Check for sufficient clearance when the suspension is compressed.
Tips for Matching Sound to Cabin Comfort
If you want an assertive exterior note but a comfortable cabin, choose a system with resonators tuned to cancel highway drone. Packing density and muffler chambering influence how sound decays inside the cab. Consider systems that advertise drone control or provide removable components to fine-tune tone after installation.
Test-mounting tips can change perceived tone. Angled tips, rolled edges, or dual exits alter how sound projects outside the truck and how much noise is reflected back into the bumper area and then into the cabin.
- Resonators and packing tune cabin resonance.
- Tip style changes exterior projection and perceived loudness.
- Removable resonators add tuning flexibility.
Still looking for the perfect fit?
Select your Ford F-150 configuration to see the most relevant Cat-back Exhaust Systems recommendations
How We Chose the Best 2015-2020 Ford F-150 Cat-back Exhaust System
We prioritized criteria that matter specifically for the 2015-2020 Ford F-150 platform and real-world truck use. Fitment and compatibility with the F-150 chassis and exhaust routing were the first filter to ensure each system installs without major modifications. Material and corrosion resistance were next, focusing on stainless steel gauges and weld quality because these trucks often see varied climates and towing duty. Acoustic performance was judged by how systems alter tone across idle, cruise, and load conditions to suit different owner preferences. Flow and backpressure characteristics were considered to preserve low-end torque while enabling modest power gains when paired with other bolt-on upgrades. Ease of installation and included hardware affected final selection, favoring kits that use factory hangers and straightforward clamps or flanges. We excluded systems intended only for race use or those requiring extensive cutting of the factory chassis or bumper. Final picks reflect a balance of long-term durability, realistic sound improvements, and straightforward fitment for the 2015-2020 Ford F-150.
Our full evaluation process is outlined in our review methodology.
FAQ
Will a cat-back exhaust system increase fuel economy on my F-150?
A cat-back alone usually provides minimal changes to fuel economy. Improved flow can reduce pumping losses at high RPM, but real-world fuel gains are typically modest and depend on driving style and engine calibration.
Can I install a catback exhaust myself on a 2015-2020 F-150?
Many systems are designed for bolt-on installation using factory hangers and clamps, so a competent DIYer with proper tools can complete the job. If welding or significant trimming is required, professional installation is recommended.
Will changing to a cat-back affect towing performance?
A properly chosen system that maintains appropriate backpressure should not harm towing performance and can sometimes improve throttle response. Avoid oversized piping that reduces low-end torque important for towing heavy loads.
How do I avoid annoying highway drone after installing a cat-back?
Select a system with resonators or anti-drone design, and pay attention to muffler construction and packing. Some kits allow for additional resonators or offer different muffler orientations to reduce cabin resonance.
Is stainless steel worth the extra cost for an F-150 exhaust?
Stainless steel typically lasts longer in wet or salted-road conditions and resists rust better than aluminized alternatives. For trucks kept long-term or used in corrosive environments, stainless offers improved longevity.
Do I need to retune the engine after installing a cat-back?
Most cat-back systems do not require an engine tune for safe operation. If you pair the exhaust with other performance modifications, a calibration may unlock additional benefits and ensure proper fueling.
Final Verdict
For the 2015-2020 Ford F-150, prioritize systems that balance durable materials, proper pipe sizing, and thoughtful muffler/resonator design to match your daily driving and towing needs. Think about how you use the truck most often and which tradeoffs you are willing to accept between exterior volume and cabin comfort.Choose a cat-back that offers solid fitment with factory hangers, corrosion-resistant construction, and an acoustic profile that fits your mileage patterns. That approach will give you the best long-term satisfaction with your F-150's exhaust upgrade.
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