Let’s face it: the exhaust system isn’t the most “glamorous” upgrade out there. In fact, a lot of truck drivers don’t even think about replacing it. However, there are some top-notch aftermarket deals that will change your opinion on that. That’s because, with the Best Exhaust System for GMC Sierra, your engine will start to sound like a million bucks. I’m talking about silky-smooth performance on highways and “grunts” off the road.
On top of that, an advanced exhaust system will get rid of unwanted gases (emissions) more efficiently, serving as an extra layer of protection for the engine. Do I have your attention now? Good, let’s go ahead and take a quick look at what the market has to offer!
1. BORLA Cat-Back Exhaust System
We begin the list with one of the most expensive deals on the market. Borla is known for its top-notch aftermarket gear, and this exhaust system is no exception. Now, despite the steep price-tag it will be a worthy investment. First of all, the construction and material quality are superb. Built from premium-grade stainless steel (sturdier and more durable than T-400), it ensures incredible efficiency in the most stressful situations.
The smooth mandrel bends also boost overall performance, adding to the engine’s power. Furthermore, thanks to computer-controlled manufacturing technology, the Borla exhaust system is an easy and accurate fit for GMC’s Sierra. Add a million-mile warranty, and you’ll see why I decided to include it into my list of the best picks.
2. MBRP Cat-Back Exhaust System
This next manufacturer did an excellent job of simplifying installation. Like the other two systems, it’s a bolt-on, but, thanks to a clever design, it will be easier to install. The entire process won’t take more than an hour; an experienced mechanic will be done in 30 minutes or less. Another standout feature is the bold design. For showing off and conquering the wilderness, it’s exactly what the doc ordered.
Black coat finishing is also a big pro. It means you won’t have to deal with rust and corrosion even when driving through the roughest terrain. The bad news is – this cat-back exhaust system is only compatible with a short list of vehicles (trucks). On the other hand, since we’re only talking about the GMC Sierra, and it fits perfectly, that won’t even be a big problem.
3.Flowmaster Cat-Back Exhaust System
This low-budget exhaust system will make your GMC Sierra sound exactly how a rough-tough truck should. I’m talking about calm, smooth rumbling on highways and busy city streets and an aggressive attitude in deserts, forests, and mountains. On top of that, it will improve overall engine performance and handle exhaust fumes faster than stock gear and with more precision.
The package includes all the necessary hardware for installation. You’ll also find a detailed user manual (instructions). Sadly, the installation won’t be a walk in the park. The reason: you might have to make new holes into your Sierra to be able to mount the new exhaust. Next, the factory exhaust system will have to be fully removed.
Comparison Table – Best Exhaust System for GMC Sierra (Updated November, 2024)
| Product | Product Information | View on Amazon |
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Editor’s Choice
1) BORLA Cat-Back Exhaust System |
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2) MBRP Cat-Back Exhaust System |
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3) Flowmaster Cat-Back Exhaust System |
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Conclusion
Aftermarket exhaust systems can be quite expensive. And, at first, you might not even notice any big differences in your Sierra’s behavior. But, once you listen to the engine on a highway, you’ll fall in love with it. Of the three offers from today’s list, Flowmaster exhaust has the most affordable deal on the table. MBRP is reasonably-priced as well and features anti-rust and anti-corrosion protection.
A for the Borla equipment, it is almost twice as expensive but boasts industry-leading material and construction quality. So, which one should you choose? Mostly, that depends on your budget, and you probably won’t go with Borla because of the steep price. However, if you’re in the market for a brick-strong exhaust system, it might just be the best purchase.
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