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Best Exhaust for Chevy Malibu (2019-2024): Top Picks & Buyer’s Guide

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Best Exhaust for Chevy Malibu (2019-2024): Give Your Sedan a Voice

If you’ve been driving your Chevy Malibu and wishing it had a little more personality under the hood — you’re not alone. The 2019-2024 Malibu is a solid, comfortable sedan, but from the factory, its exhaust note is about as exciting as elevator music. Upgrading to the best exhaust for Chevy Malibu owners is one of the most rewarding modifications you can make: you’ll get a deeper, more aggressive tone, modest performance gains, and a cleaner look out back — all without breaking the bank. In this guide, we’ll walk you through the top exhaust options for the 2019-2024 Malibu, break down what to look for, and help you make the right call for your budget and goals.

Quick Comparison Table: Best Exhausts for Chevy Malibu (2019-2024)

Product Type Sound Level Material Best For
Flowmaster Super 44 Cat-Back / Muffler Aggressive Aluminized Steel Performance enthusiasts
Flowmaster American Thunder Cat-Back Moderate-Aggressive Stainless Steel Daily drivers wanting tone
MagnaFlow Street Series Cat-Back Moderate Stainless Steel Clean tone, OEM+ look
Borla S-Type Cat-Back Moderate-Deep T-304 Stainless Steel Premium buyers
Thrush Welded Muffler Muffler Replacement Moderate Aluminized Steel Budget-conscious owners

Top Exhaust Picks for the 2019-2024 Chevy Malibu

1. Flowmaster Super 44 — Best for an Aggressive Sound

The Flowmaster Super 44 is a legend in the muffler world, and for good reason. Its Delta Flow technology produces a deep, aggressive exhaust note that turns heads without being unbearable inside the cabin. For Malibu owners who want their sedan to sound like it means business, this is a top contender.

Check the Flowmaster Super 44 for Your Malibu

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2. Flowmaster American Thunder Cat-Back — Best All-Around Option

If the Super 44 is a little too rowdy for your taste, the Flowmaster American Thunder series is a well-balanced middle ground. You get that satisfying exhaust growl at wide-open throttle without the drone during highway cruising. It’s built from stainless steel, giving it better longevity in rust-prone climates — a big win for Malibu drivers in the Midwest and Northeast.

Shop Flowmaster American Thunder for Malibu

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3. MagnaFlow Street Series Cat-Back — Best for a Clean, OEM+ Tone

MagnaFlow is one of the most trusted names in the exhaust business, and their Street Series Cat-Back system delivers a polished, refined tone that enhances the Malibu without making it sound modified. Think of it as upgrading from standard to premium — the difference is noticeable, but never obnoxious. The stainless steel tips also give the rear of your Malibu a noticeably cleaner look.

View MagnaFlow Street Series for Chevy Malibu

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4. Borla S-Type Cat-Back — Best Premium Option

If you want the absolute best money can buy for your 2019-2024 Malibu, Borla’s S-Type system is the gold standard. Constructed from aircraft-quality T-304 stainless steel and backed by a million-mile warranty, Borla builds exhausts that last the life of the vehicle. The S-Type produces a deep, throaty note that’s sporty without crossing the line into raspy or tinny territory.

Explore Borla S-Type for Chevy Malibu

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5. Thrush Welded Muffler — Best Budget Pick

Not everyone wants to spend hundreds of dollars, and the Thrush Welded Muffler is proof that you don’t have to. For Malibu owners who simply want to replace a rusted-out stock muffler or add a modest sound upgrade on a tight budget, Thrush delivers reliable performance at a fraction of the cost of cat-back systems. It’s a great starting point for first-time modifiers.

Check Thrush Welded Muffler Pricing

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Exhaust Buying Guide: What to Consider for Your 2019-2024 Malibu

Engine Size Matters for Fitment

The 2019-2024 Chevy Malibu comes with two engine options: the 1.5L turbocharged 4-cylinder (base and LS trim) and the 2.0L turbocharged 4-cylinder (found in the Premier and RS). These engines have different exhaust routing, so always confirm that the system you’re buying is spec’d for your specific engine. A mislabeled fitment is one of the most common return reasons for exhaust parts.

Full Cat-Back System vs. Muffler-Only Replacement

A cat-back exhaust system replaces everything from the catalytic converter rearward — including the mid-pipe and muffler. This gives you the most dramatic improvement in sound and flow. A muffler-only swap is cheaper and simpler but delivers more modest results. For most Malibu owners, a cat-back is worth the extra investment if budget allows.

Sound Level: How Loud Do You Actually Want It?

This is the most personal choice. Consider where and how you drive:

Material: Stainless Steel vs. Aluminized Steel

Stainless steel exhausts cost more upfront but resist corrosion far better — essential if you live in a state that uses road salt in winter. Aluminized steel is lighter on the wallet but may show rust within 3-5 years in harsh climates. If you plan to keep your Malibu long-term, stainless is the smarter investment.

Emissions Compliance

Always verify that your chosen exhaust is 50-state legal (CARB-compliant) if you’re in California or another emissions-regulated state. MagnaFlow’s Street Series is a safe bet here. Some performance exhausts are sold for off-road use only and will fail an emissions test.

Brief Installation Overview

Installing an exhaust on the 2019-2024 Malibu is a moderate DIY job. Here’s a general overview of what to expect:

  1. Safety first: Let the car cool completely. Use jack stands — never rely on a floor jack alone.
  2. Spray penetrating oil: Apply WD-40 or PB Blaster to all exhaust bolts and hangers at least 30 minutes before you start. Chevy Malibus often have rust on undercarriage hardware, especially in northern states.
  3. Remove old system: Unbolt the system from the catalytic converter flange rearward, unclip rubber hangers, and drop the old exhaust.
  4. Test fit before tightening: Hang the new system loosely, align all components, and verify no contact with the chassis or heat shields before torquing bolts.
  5. Start the car and check for leaks: Listen and feel around all joints for exhaust puffing. Tighten any loose connections.

Estimated DIY Time: 1.5 to 3 hours
Skill Level: Intermediate
Professional Install Cost: $100–$250 at a muffler shop

Frequently Asked Questions

Will an aftermarket exhaust void my Chevy Malibu warranty?

Under the Magnuson-Moss Warranty Act, a dealer cannot void your warranty simply because you installed an aftermarket part — unless they can prove the part directly caused the damage in question. However, if an exhaust modification causes an O2 sensor fault or catalytic converter issue, that specific repair may not be covered. Always keep your stock exhaust parts in storage.

How much horsepower will an exhaust add to my Malibu?

On a turbocharged Malibu, a cat-back exhaust typically adds 5–15 horsepower, depending on the quality of the system and other modifications. The gains are most noticeable when paired with a tune or intake upgrade. The real-world benefit is improved exhaust flow and throttle response rather than dramatic power numbers.

Will a performance exhaust pass inspection in my state?

If your exhaust is CARB-certified (50-state legal) and does not remove the catalytic converter, it should pass emissions and visual inspection in most states. Always double-check your state’s regulations and choose a compliant product like the MagnaFlow Street Series if you’re unsure.

Can I install an exhaust myself on a 2019-2024 Chevy Malibu?

Yes — it’s a manageable DIY project for someone with basic mechanical skills, a floor jack, jack stands, and common hand tools. The biggest challenge is often rusty hardware. If you’re not comfortable working under a car, a local muffler shop can typically install it in under two hours.

What exhaust size (diameter) does the Chevy Malibu use?

The 2019-2024 Malibu 1.5T typically uses a 2.25-inch exhaust pipe diameter, while the 2.0T may use a slightly larger setup. Always verify the inlet and outlet diameter of the muffler or system you’re buying before ordering to ensure a proper fit without adapters.

Final Verdict: What’s the Best Exhaust for the Chevy Malibu?

After weighing all the options, here’s our breakdown:

No matter which direction you go, upgrading the exhaust on your 2019-2024 Chevy Malibu is one of the most satisfying modifications you can make. It’s a relatively affordable weekend project that transforms the feel of your daily drive. Just make sure to confirm fitment with your specific engine and trim before clicking “add to cart.” Happy wrenching!