5 Best Exhaust System for 2018 Silverado 1500 – Updated 2023

The 21st century has been absolute heaven for automobile rednecks, thanks to Chevrolet. It has been making one muscle vehicle after the other, and the 2018 Silverado 1500 is one of its absolute masterpieces. This truck has multiple different components, and the exhaust system is the most vital one among them.

Finding the best exhaust system for 2018 Silverado 1500 is a must as it plays a prominent role in its performance and consistency. Buying the wrong model can result in it drastically shutting down or stuttering in the middle of the road. On the other hand, getting the ideal model means that it will run for a long time while giving you smooth pick-up and handling.

Best Exhaust System

Quick Summary for Top 5 Products

Here’s a quick summary of all our top picks.
Editor’s Choice: BORLA 140546 Exhaust System
“Metallic build and extremely sturdy, this model can be the perfect addition for the 2018 Silverado 1500 due to its double port service and efficient Borla X-Pipe.”
“Loud and extremely spacious, the FlowFX is the perfect choice for those who want their truck to stand out with its generous noise and a beefy build.”
“A sleek build with extra covering for the ports, the 717869 comes with tons of attachments and accessories that will help you save up on expenses and maintain the component for a long time.
Best for Budget: Flowmaster 817689 Outlaw
“Perfect for those who want a smooth exhaust system at an attractive price range, the 817689 Outlaw hits all the right standards while wonderfully serving your 2018 Silverado 1500.
Excellent for Universality: Borla 140537 ATAK Exhaust System

“An excellent exhaust system that has universal compatibility with all vehicles with a similar build to the 2018 Silverado 1500. You can always expect effective and trustworthy performance from it.”

Significance of Exhaust System in 2018 Silverado 1500

You might assume that the necessity of an exhaust system in your 2018 Silverado 1500 is to remove harmful gases from it. However, it has a much more substantial role. In fact, not only does it make sure the truck stays in top shape, but it also makes it more presentable to the environment. Simply put, you can’t hit the streets without it.

At the very first, the most prominent role of the exhaust system in the 2018 Silverado 1500 is sound suppression. It’s the only thing keeping your neighbors from sending out noise complaints on your vehicles. This component transfers the fumes through the muffler, which in turn ensures that your car stays quiet and dampens most noises.

If it isn’t obvious already, the exhaust system also takes care of the excess gases produced by the truck. It creates a perfect network that reroutes the noxious fumes from the source and carries it all the way out through the muffler. The component prevents stagnation and ensures that a perfect transfer system is created in the vehicle.

Not many people are aware of this feature, but the exhaust system majorly improves your truck’s engine’s overall performance. By removing the gas, it allows the vehicle to take in more oxygen and create extra power. Thus, your vehicle will be able to run more smoothly and at a quicker pace, which in turn amplifies its efficiency.

Top 5 Best Exhaust System For 2018 Chevy Silverado 1500 Reviews

Below are 5 of the most effective exhaust systems for 2018 Silverado 1500 in the present market. Keep on reading to find out about their qualities and features to determine which one will fulfill your requirements the most.

1. Editor’s Choice: BORLA 140546 Cat-Back Exhaust System for Chevrolet Silverado/GMC Sierra 1500

Key Features

Overall Weight: 5lbs

Total Length: 2”

Muffler Setup: Dual port

Muffler Diameter: 2.25”

Perhaps the most reliable item on our list, the BORLA 140546 Exhaust System, is light and practical. A perfect example of American engineering, it can efficiently serve your 2018 Silverado 1500 without becoming a burden on it. It’s an excellent option for long drives as it maintains complete consistency in performance over prolonged use. Many consider it to be the best exhaust system for Silverado/GMC Sierra 1500.

One of the first things that you will find admirable about this exhaust system is its build. It features a whole metallic body to sustain the heat and prevent blowouts. On top of that, the joints are completely thin, which makes them highly feathery in weight. You can install it and not have to worry about the part weighing down your truck.

Another excellent aspect of this exhaust system is its ability to dish out the gas from vehicles quickly. A double port system is featured in it, which allows you to have two mufflers within the car. Each muffler has an impressive diameter of 2.25 inches which causes it to transfer gas than the ones with one of them quickly. Overall, very few can compete with its efficiency.

The area is significant when buying an exhaust system for your 2018 Silverado 1500. It must have the capacity to cover the entire length of the truck to transfer fumes effortlessly. From that perspective, you will absolutely enjoy this item. With a total dimension of 152.4cm x 40.64cm x 36.83 cm, it can effortlessly fit into the vehicle’s underbelly without making any compromises.

What We Liked

  • Sleek build
  • Completely metallic body
  • Dual-port mufflers
  • Wide muffler diameter

What Could be Better

  • Overall width of pipes
  • Angle of protrusion

2. Flowmaster 717857 FlowFX Exhaust System – Best Cat Back Exhaust System for Silverado 1500

Key Features

Overall Weight: 60 lbs

Total Length: 59”

Muffler Setup: Single port

Muffler Diameter: 4.5”

Pick-up trucks like the 2018 Silverado 1500 is a muscular vehicle that people admire for their sheer structure and weight carrying capacity. Therefore, it’s completely normal for owners to want an exhaust system that pairs well with the magnanimity of the model. Very few options can perfectly suit this preference than the Flowmaster 717857.

There are very few trucks out there of recent build and model that are incompatible with this product. Compatibility and universality make it one of the best cat-back exhaust system for Silverado 1500. It can fit into most editions despite their storage tanks. It has the perfect size for catering to the needs of such vehicles efficiently.

Sound suppression is something that vehicles typically prefer their exhaust systems to execute well. However, this choice is not similar to that of muscular vehicle owners. Flowmaster understands what they want precisely, and they ensure that fitting this into your truck will have it growling. The noise it produces is beefy and deep, unlike most generic models.

Buying the 717857 is bound to make you feel like the strength and herculean build of the 2018 Silverado 1500. This component has a shape that is significantly similar to that of the vehicle. Entirely thick and wide, it covers up quite a bit of space to exhale more gas quickly. On top of that, the muffler feels extra-large to remain proportional to the rest of the truck.

What We Liked

  • Muscular sound emission
  • Wide, ergonomic muffler
  • Angular position of the muffler
  • Universal compatibility with recent pick-up truck models

What Could be Better

  • Inclusion of an extra muffler port
  • Integrating anti-rust option

3. Flowmaster 717869 Exhaust System – Best For GMC Sierra 1500

Key Features

Overall Weight: 48 lbs

Total Length: 59.75”

Muffler Setup: Dual port

Overall Width: 16”

Replacing an exhaust system for your 2018 Silverado 1500 can be pretty expensive. Most of these components are pretty pricey, and you will be in hot water if you get one that’s not up to the proper standards. Thankfully, Flowmaster 717869 is there to solve this issue for you. It has the capacity to provide as many features as the premium ones while also sporting an attractive mid-range price.

First and foremost, the one thing that is bound to attract your attention when looking at this exhaust system is its dual muffler ports. There is a common misconception that this feature is only available on premier editions. However, you will be getting the same privilege with this one, making many believe it is the best exhaust system for GMC Sierra 1500.

Despite being significantly lower in price than most of its competitors, this exhaust system strives to hit the same benchmarks as the rest. Its entire body is made with stainless steel to ensure maximum durability and heat absorption. On top of that, the item gives the same premium sound and superior performance as any other option.

One of the most significant problems exhaust systems poses when fitted to a truck like the 2018 Silverado 1500. Many are not placed at a proper angle, which results in the gas going directly out the back. This scenario becomes extremely dangerous when you’re towing something like a yacht or a trailer. Thankfully, this product’s design puts the mufflers at an angle and expunges fumes from behind the rear wheels.

What We Liked

  • Budget-friendly with functional features
  • Dual muffler ports
  • Stainless steel build
  • Strategically placed angular mufflers

What Could be Better

  • Tubes have excessive bore
  • Purchase of different clamps is necessary

4. Flowmaster 817689 Outlaw Exhaust System – Best Sounding Cat Back Exhaust System For Chevy

Key Features

Tubing: Mandrel Bent

Build Material: Stainless Steel

Total Mounting Points: 4

Muffler Port: Dual

Most truck owners do not want to invest in a premium exhaust system when buying a backup. The main intention for most of them is to find an affordable substitute and can last for the duration of their current trip or a specific time. Well, this model delivers efficiently on that and more. You won’t be getting a cheap and flimsily-built unit with this one.

An excellent aspect of this exhaust system is the sound it emits. Truck drivers will get a kick out of using it simply because of how macho the noise comes out. You will find your 2018 Silverado 1500 giving out a throaty roar every time you rev it up. It will really give you the feel of owning the best sounding cat back exhaust system.

Most exhaust systems often tend to have a pure metallic build. Although it makes them sturdier and allows them to absorb more heat, it does little for their aesthetics. However, you will find the Flowmaster 817689 Outlaw to be quite exceptional in this regard. Its tips are made from ceramic which is placed on the steel pipes to make it stand out.

Customization is an excellent factor to consider when buying an exhaust system. From that standpoint, this unit is the obvious pick. Depending on what you like in a truck, this model has something for everyone. It’s got a variety of tips, Flowmaster’s signature mufflers, different mounting points, and dyno tuned to perfection to give you the perfect experience.

What We Liked

  • Multiple methods for customization
  • Fully metallic body to resist heat
  • Ceramic tips for beautification
  • Extremely rugged and earthy noise

What Could be Better

  • Muffler tends to rust relatively quickly
  • Too noisy for public places

5. Borla 140537 ATAK Cat-Back Exhaust System – Best Cat Back Exhaust System for Pickup Trucks

Key Features

Total Length: 61”

Overall Weight: 62lbs

Port System: Dual
Borla 140537 ATAK Cat Back Exhaust System

It’s not easy finding the ideal exhaust system for pick-up trucks. Not all models work effectively on the vehicles and a lot of research is necessary. However, it can become quite difficult to find the ideal one if you’re on the road and in dire need of a replacement. These situations are where you will really appreciate having a Borla 140537 nearby.

Universality is a rarity among exhaust systems for pick-up trucks. Although you can’t expect such models to hit the perfect notes that you want, they can really come in handy when you’re in a crisis. One such wonder is this option. It can fit into most muscular vehicles, which also includes the 2018 Silverado 1500, making it the best cat-back exhaust system for trucks. You can keep it around as the ideal spare part for this component.

Another excellent reason for you to appreciate this exhaust system is how incredibly light it is. Industrial truck owners prefer to keep their trucks as weightless as possible in terms of their components. The main reason behind this choice is so that the vehicle can carry more load without hitting its peak. Using this product will let you take in more goods and will smoothly connect to it.

Many might think that an exhaust system as sleek and thin as the Borla 140537 to not be very receptive. However, once you start using it, your perception will completely change. It has an extremely throaty sound which helps to effectively assert dominance. More importantly, it makes it extremely responsive to ensure you can drive safely through pure instinct.

What We Liked

  • Universally compatible with most pick-up trucks
  • Efficient gas flow and consistent power
  • Minimal total weight and easy fitting
  • Extremely responsive and powerful sound emission

What Could be Better

  • Support brackets don’t line up properly
  • Tends to rattle and cause vibrations

FAQs About Exhaust System for 2018 Silverado 1500

Best Exhaust System

1. What are the Major Components of a Full Exhaust System?

Ans: An exhaust system for any vehicle mostly consists of oxygen sensors, resonators, exhaust manifolds, muffler, tailpipe, and catalytic converters. Other than these primary pieces, other parts might be included depending on the model.

2. How do You Find out If Your Exhaust System isn’t Good?

Ans: There are multiple indicators of whether an exhaust system is a bad model. Among them, the most obvious one if it starts rattling or making weird sounds. In that case, replace it immediately.

3. Are Fuel Tanks Part of the Exhaust System?

Ans: Fuel tanks aren’t actually part of the exhaust system despite having a link in terms of function.  They are part of the fuel system which helps inject gas into vehicles.

4. What are the Benefits of Aftermarket Exhaust?

Ans: Aftermarket exhausts are effective in making your vehicle stand out on the streets if they match properly. It also makes your engine run smoothly thanks to its free flow.

5. Is it Better to Change the Muffler Only than the Entire Exhaust System?

Ans: The necessity for replacement depends completely upon the component in question. Mufflers are easy to change by yourself and it’s more cost-efficient. But, you’ll need the help of a mechanic if in case your exhaust system needs replacement.

Related Reviews You May Check: Best Exhaust for Chevy Colorado


There is absolutely no reason for you to underestimate the value of any component in a vehicle. Buying the best exhaust system for 2018 Silverado 1500 is as crucial as getting a top-notch engine. Once you find the ideal model and plug it in, taking long drives and showing off your pickup truck will feel like a massive treat!

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