A new exhaust is one of the few truck upgrades that you can hear, feel and sometimes see at the fuel pump. The right cat-back or axle-back system opens up airflow, frees a few honest horsepower and torque, and gives your truck the deep, confident tone that the factory muffler quietly strangles. The wrong one drones on the highway until you dread long drives. We focused on what actually matters to truck owners, real flow, honest fitment, weld quality and a tone you can live with day after day.
We looked at full stainless cat-back kits from the big names along with a couple of muffler-only options for people who just want a better sound without replacing the whole system. Every pick here is a real, widely available product that fits popular trucks like the F-150, Silverado, Ram 1500, Tundra and Sierra. Below are our seven favorites, ranked best first, with the honest strengths and the one weakness each one carries.
| Photo | Product | Score | Buy |
|---|---|---|---|
 |
MagnaFlow Street Series Stainless Cat-Back Exhaust Best Overall Stainless steel cat-back, mandrel-bent tubing, straight-through muffler |
9.5 | 🛒 Check Price |
 |
Borla S-Type Cat-Back Exhaust System Best Sound Quality T-304 aerospace stainless, patented multicore muffler, polished tips |
9.3 | 🛒 Check Price |
 |
Flowmaster American Thunder Cat-Back Exhaust Best Classic V8 Tone 16-gauge aluminized or stainless, Super 44 series muffler, dual-wall tips |
9.1 | 🛒 Check Price |
 |
MBRP Installer Series Aluminized Cat-Back Exhaust Best Value Aluminized or T-409 stainless, large-diameter mandrel-bent tubing, single tip |
8.9 | 🛒 Check Price |
 |
Gibson Performance Swept Side Cat-Back Exhaust Best for Side Exit Style Aluminized or stainless, Swept Side exit, large polished tip |
8.6 | 🛒 Check Price |
 |
aFe Power MACH Force-XP Cat-Back Exhaust Best for Big Flow T-409 stainless, large-bore mandrel-bent tubing, bayonet-style tips |
8.4 | 🛒 Check Price |
 |
Flowmaster Super 44 Series Muffler Best Muffler-Only Upgrade Two-chamber aluminized muffler, 3-inch offset/center options, weld-in |
8.1 | 🛒 Check Price |
1. MagnaFlow Street Series Stainless Cat-Back Exhaust: Best Overall
The MagnaFlow Street Series earns the top spot because it gets the basics right and rarely makes you compromise. The mandrel-bent stainless tubing keeps a consistent inside diameter through every bend, so exhaust gases keep moving instead of stacking up the way they do in crushed factory pipe. On the trucks we have run it on, the result is a noticeably freer-revving feel and a tone that deepens under load without ever turning into a headache. At idle it has presence, at wide-open throttle it growls, and at a steady 70 it settles down so you can hold a conversation.
The honest weakness is volume, or rather the lack of it for a certain buyer. MagnaFlow tuned this system to be mature and drone-free, which is exactly what most daily drivers want, but if your goal is to announce yourself three blocks away, this is not the loudest kit here. Some owners also find the tip is more understated than flashy. For the largest group of truck owners who want better flow, a great tone and a system that will outlast the truck, it is the easy first recommendation.
- Full 409 stainless construction with mandrel-bent tubing for clean, unrestricted flow
- Straight-through, free-flowing muffler core tuned for a deep highway-friendly tone
- Bolt-on, no-weld design that reuses factory hangers on most popular trucks
Pros: Balanced sound that is aggressive at throttle yet calm at cruise; Excellent fitment with hangers and clamps that line up the first time; Stainless build resists rust through salty winters and wet job sites
Cons: Tone is refined rather than loud, so hardcore sound chasers may want more
2. Borla S-Type Cat-Back Exhaust System: Best Sound Quality
If the sound is the whole reason you are upgrading, Borla’s S-Type is the system to beat. Borla built its reputation on muffler tuning, and the S-Type shows why. The straight-through multicore design produces a rich, layered tone that sounds expensive, with a hard edge under acceleration and a tasteful burble on lift-off. What sets it apart from louder kits is how clean it stays inside the cab, the engineering specifically targets the resonant frequencies that cause drone, so you get attitude without the long-haul fatigue.
The trade-off is two-fold. First, the T-304 aerospace stainless and the patented muffler design place this firmly in premium territory, so you are paying for the badge and the metallurgy. Second, this is genuinely a loud system, and while the tone is gorgeous, a few owners with quiet commutes or strict local noise rules find it more than they bargained for. Listen to recordings of it on your specific truck before committing. If the tone wins you over, the build quality and warranty back it up for the long run.
- T-304 aerospace-grade stainless steel for maximum corrosion resistance and longevity
- Patented straight-through multicore muffler engineered to kill interior drone
- Aggressive, signature Borla note that owners describe as instantly recognizable
Pros: Best-in-class tone with a clean, throaty character and no cabin drone; Premium T-304 stainless outlasts the cheaper 409 grade used by many rivals; Backed by a strong manufacturer warranty for long-term added security
Cons: Premium positioning means it sits at the higher end of the value scale; Sound is loud enough that noise-sensitive owners should sample clips first
3. Flowmaster American Thunder Cat-Back Exhaust: Best Classic V8 Tone
Flowmaster’s American Thunder is the sound a lot of truck owners hear in their head when they imagine a louder rig. Built around the legendary Super 44 series muffler, it delivers that unmistakable deep, aggressive American V8 rumble that turns heads at the light. The mandrel-bent tubing keeps flow honest, and the kit lands in the sweet spot between mean and manageable. For owners who want their truck to sound like a truck and do not want anything subtle about it, this is the heritage pick.
The weakness is the one Flowmaster has always wrestled with, drone. At specific cruising RPM you will get some resonance in the cabin, and while it is not unbearable, it is more noticeable here than on the drone-tuned competitors above. The aluminized version also will not fight rust as well as full stainless over many winters, so buyers in salt country should step up to the stainless variant. Accept the character and the small drone trade-off, and you get a very satisfying classic tones available.
- Trademark Flowmaster muffler delivers the deep, classic American muscle rumble
- Mandrel-bent tubing with a moderate-aggressive sound level out of the box
- Available in aluminized or stainless to match your climate and budget priorities
Pros: Iconic V8 tone that defines what most people picture as a muscle truck; Proven Flowmaster muffler design with decades of real-world reliability; Straightforward bolt-on install that most owners finish in an afternoon
Cons: Some highway drone present at certain RPM, more than the Borla or MagnaFlow
4. MBRP Installer Series Aluminized Cat-Back Exhaust: Best Value
MBRP built its name in the diesel and heavy-duty world, and that work-first DNA shows in the Installer Series. This is the system to grab when function comes before flash. The tubing runs a larger diameter than stock with proper mandrel bends, so it moves a real volume of gas, which translates into a meaningful difference when you are towing a trailer or climbing a long grade. The tone is present and pleasant rather than rowdy, a good match for owners who use their truck as a tool and still want it to breathe better.
The honest limitation is character. The Installer Series prioritizes flow and durability, so the sound, while improved over stock, is not the rich musical note you get from a tuning-focused brand. The standard single-tip layout is also pretty utilitarian to look at. If you want the most capability and longevity for what you spend, especially in the stainless version, this is the smart buy. If you are chasing a specific tone, look higher up the list.
- Larger-than-stock diameter mandrel-bent tubing for serious flow gains
- Choice of aluminized or T-409 stainless to balance durability and value
- Designed to support towing and heavy-duty use without restricting the engine
Pros: Big flow improvement that helps especially with towing and grade pulls; Strong durability for the money, particularly in the stainless version; Mellow but present tone that will not annoy you on long work days
Cons: Tone is more functional than musical compared to the Borla or Flowmaster; Single-tip presentation looks plain next to flashier polished setups
5. Gibson Performance Swept Side Cat-Back Exhaust: Best for Side Exit Style
Gibson’s Swept Side is for the owner who wants the exhaust to be part of the truck’s look as much as its sound. Instead of dumping out behind the bumper, the Swept Side routes a large polished tip out the side just ahead of the rear wheel, a style that reads classic and aggressive at the same time. The Superflow muffler behind it produces a deep, satisfying tone that Gibson has tuned to keep drone in check, so the character carries through to the cabin without wearing on you.
The catch is inherent to the side-exit design. Routing the outlet near the rear tire and rocker panel means hot exhaust and soot exit close to bodywork, and over time some owners notice staining on light-colored trucks or near the wheel. It is a cosmetic and placement trade-off rather than a performance flaw, but it is real. Pick the stainless version if you live where roads get salted, and the Swept Side rewards you with a look and sound that few rear-exit systems can match.
- Swept Side exit routing that places the tip aggressively ahead of the rear tire
- Gibson Superflow muffler tuned for a deep tone with minimal interior drone
- Large polished stainless tip adds visual presence to the side profile
Pros: Distinctive side-exit look that stands apart from rear-exit crowds; Good deep tone with relatively well-controlled cabin resonance; Easy bolt-on fit using factory hanger locations on most applications
Cons: Side exit can route heat and soot near the rear tire and rocker panel; Aluminized version is less corrosion resistant than full stainless rivals
6. aFe Power MACH Force-XP Cat-Back Exhaust: Best for Big Flow
The aFe MACH Force-XP is aimed at the builder who treats the exhaust as one piece of a larger performance puzzle. The large-bore mandrel-bent tubing is engineered to move serious volume, and on a truck that already has an intake and a tune, this system lets the engine exhale the way the other parts intend. T-409 stainless throughout means it will take the heat and the years, and the tone is unapologetically modern and aggressive, which fits the lifted and built trucks it tends to end up on.
The trade-off comes from that same big-bore philosophy. On a stock or lightly modified truck, the wide tubing can be louder and rawer than necessary, and you will not see the full flow benefit until you add the supporting mods that the system is really designed for. For a daily driver with no other changes, it can be more exhaust than the engine knows what to do with. For a deliberate performance build, it is one of the best-flowing options on this list.
- Large-bore mandrel-bent tubing engineered to maximize exhaust velocity and flow
- T-409 stainless construction across the system for long service life
- High-flow design pairs well with intake and tuner upgrades for stacked gains
Pros: Among the strongest flow numbers here for performance-focused builds; Durable stainless build that holds up to abuse and weather; Aggressive, modern tone that suits lifted and built trucks
Cons: Larger bore can produce a louder, more aggressive note than some prefer; Best gains show up only when paired with other supporting modifications
7. Flowmaster Super 44 Series Muffler: Best Muffler-Only Upgrade
Not everyone wants to replace an entire exhaust, and that is exactly where the Flowmaster Super 44 shines. As a muffler-only swap, it lets you keep your existing pipes and just transform the sound, which makes it the most focused upgrade on this list. The two-chamber Delta Flow design is Flowmaster’s most aggressive in this family, so a single muffler change can take a quiet truck to a loud, rowdy growl. With several inlet and outlet configurations, it fits a wide variety of trucks and pipe routings.
The honest weakness is the one buyers should go in expecting, drone. The Super 44 is famous for its volume, and that comes with noticeable resonance at highway speeds inside the cab. It is a love-it-or-hate-it muffler, and the people who love it accept the drone as part of the deal. Installation also typically means welding, so unless you have the gear you will be paying a shop to fit it. For a simple, dramatic sound change without committing to a full cat-back, it is the muffler to reach for.
- Two-chamber Delta Flow design that delivers Flowmaster's most aggressive tone
- Compact muffler-only swap for owners keeping the rest of their exhaust
- Multiple inlet and outlet configurations to match most truck setups
Pros: Big sound change for a small, focused upgrade rather than a full system; Loud, aggressive Delta Flow tone that fans love; Multi-purpose sizing options fit a broad selection of trucks and pipe layouts
Cons: Pronounced interior drone is the price of that aggressive note; Usually requires welding, so a shop visit is needed for most owners
Frequently Asked Questions
Will a cat-back exhaust actually add power to my truck?
Yes, but set realistic expectations. A quality cat-back with mandrel-bent tubing and a free-flowing muffler reduces backpressure and lets your engine breathe more easily, which typically frees up a modest number of horsepower and a bit of torque, often most noticeable in the mid range and when towing. The gains from exhaust alone are usually small on a stock truck, but they stack meaningfully when combined with a cold air intake and a tune. The bigger everyday benefits are improved throttle response, a better tone and the durability of a stainless system over the crushed factory pipe.
What is the difference between a cat-back and an axle-back exhaust?
A cat-back system replaces everything from the catalytic converter back to the tailpipe, including the mid-pipe, muffler and tips, so it offers the most flow improvement and the biggest change in sound. An axle-back replaces only the section from the rear axle back, usually just the muffler and tip, which makes it cheaper and easier to install but delivers smaller performance and tone changes. If you want maximum flow and the fullest sound transformation, go cat-back. If you mainly want a sound upgrade with a simpler install, an axle-back or even a muffler-only swap can be enough.
Is a stainless steel exhaust worth it over aluminized?
For most truck owners, yes, especially in regions that salt the roads in winter or anyone who drives in wet, muddy or coastal conditions. Aluminized steel is coated for moderate corrosion resistance and will serve fine in dry climates for a number of years, and it usually costs less. Stainless steel, particularly the T-304 grade used by premium brands, resists rust far better and tends to outlast the truck, which is why it carries longer warranties. If you plan to keep your truck a long time or live where roads get salted, the stainless upgrade pays you back in longevity.
Will a new exhaust cause drone inside the cab?
It can, and drone is the single most common complaint after an exhaust install. Drone is a resonant booming frequency that shows up at steady highway RPM and gets tiring on long drives. Some systems are specifically engineered to fight it, brands like Borla and MagnaFlow tune their mufflers to cancel those frequencies, while aggressive muffler designs like the Flowmaster Super 44 trade more drone for more volume. If a quiet, fatigue-free cruise matters to you, choose a system known for drone control and read owner feedback on your exact truck before buying.
Do I need a tune or any other modifications after installing an exhaust?
For a standard cat-back or axle-back on a gas truck, no, you do not need a tune to install it safely, and your factory computer will adapt fine. A tune simply helps you extract a little more from the new airflow and is optional. The exception is if you remove or modify emissions equipment ahead of the cat-back, which is generally not street legal and can trigger check-engine lights. To get the most from a high-flow system like the larger-bore kits, pairing it with an intake and a tune lets the supporting mods work together for noticeably bigger gains than the exhaust alone.
Our Verdict
For the widest range of truck owners, the MagnaFlow Street Series Cat-Back is our top pick because it nails the balance that matters most, strong flow, premium stainless build, a great tone at throttle and a calm, drone-free cruise. If sound is your priority above all else, the Borla S-Type is the runner up and the best-sounding system here, with aerospace-grade stainless and drone-tuned engineering that justify its premium standing. Pick the MagnaFlow for the best all-around experience, choose the Borla if tone is everything, and lean on the value, classic-tone and muffler-only options below them when your budget or your goals point a different direction.
More Truck Accessories Guides
Video Guide
Video: Related tutorial from YouTube