2011 Buick Regal Exhaust Mufflers

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Keep Your 2011 Buick Regal in Top Shape with Quality Exhaust Mufflers

Whether you’re repairing or upgrading your Exhaust Muffler, using high-quality parts is key to keeping your 2011 Buick Regal looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Mufflers. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 2011 Buick Regal Exhaust Muffler at Advance Auto Parts is around $446.99, with a range that starts at $438.99 and goes up to $454.99. With 2 options in stock from one trusted brand, finding the right fit is easy. Popular picks like "Walker Quiet-Flow Direct Fit Exhaust Muffler 2"" Inlet (ID) 2.25"" Outlet (OD), 21834" and "Walker Quiet-Flow Direct Fit Exhaust Muffler 2"" Inlet (ID) 2.25"" Outlet (OD), 21859" start at just $438.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Exhaust Muffler, don’t forget to check out other key components like Catalytic Converters and Exhaust Manifold and Headers. At Advance Auto Parts, we’re here to help you keep your 2011 Buick Regal in peak condition, inside and out.

Essential 2011 Buick Regal Exhaust Mufflers

Walker – Walker Sound Solution Exhaust Muffler, 18649 (Part No.18649)

Walker Sound Solution Exhaust Muffler, 18649

from

$64.99
Sound Solution mufflers are engineered with 100% aluminized steel for longer service life compared to low carbon steel. These mufflers have mechanical interior joints for durability, And spun-locked heads for resistance to rupture from backfires. Sound Solution mufflers are available in a universal fitment style, with both quality appearance And favorable acoustics.
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Flowmaster Inc. – Flowmaster Inc. Super 44 Muffler – 2.25 Offset In – 2.25 Center Out – Aggressive Sound, 942446 (Part No.942446)

Flowmaster Inc. Super 44 Muffler - 2.25 Offset In - 2.25 Center Out - Aggressive Sound, 942446

from

$137.99
Flowmaster’s Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a powerful rich tone and is the most aggressive, deepest sounding, highest performing four-inch case street muffler we’ve ever built! Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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Walker – Walker Sound Solution Exhaust Muffler, 18710 (Part No.18710)

Walker Sound Solution Exhaust Muffler, 18710

from

$62.99
Sound Solution mufflers are engineered with 100% aluminized steel for longer service life compared to low carbon steel. These mufflers have mechanical interior joints for durability, And spun-locked heads for resistance to rupture from backfires. Sound Solution mufflers are available in a universal fitment style, with both quality appearance And favorable acoustics.
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Walker – "Walker Quiet-Flow SS Direct Fit Exhaust Muffler 2"" Inlet (ID) 2.25"" Outlet (OD), 21341" (Part No.21341)

"Walker Quiet-Flow SS Direct Fit Exhaust Muffler 2"" Inlet (ID) 2.25"" Outlet (OD), 21341"

from

$175.99
The only broad-market muffler body with 100% stainless-steel construction for longer life, Walker Quiet-Flow SS mufflers deliver precision fit, superior flow and OE-style sound. Available for most domestic and import vehicles, Quiet-Flow SS features an internal drainage system that helps reduce moisture collection.
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Flowmaster Inc. – Flowmaster Inc. 40 Series Muffler – 2.25 Offset In – 2.25 Center Out – Aggressive Sound, 42441 (Part No.42441)

Flowmaster Inc. 40 Series Muffler - 2.25 Offset In - 2.25 Center Out - Aggressive Sound, 42441

from

$101.99
The Original 40 series muffler delivers an aggressive exterior and interior tone. If you’re looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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Flowmaster Inc. – Flowmaster Inc. Super 40 Series Chambered Muffler, 852548 (Part No.852548)

Flowmaster Inc. Super 40 Series Chambered Muffler, 852548

from

$171.99
Developed from our Top Ten race muffler lineup for use on the street/strip, the Super 40 features Flowmaster’s Delta Flow technology. It’s larger case profile provides the best of both worlds of performance and sound, especially on forced induction and high horsepower vehicles. The Super 40 has that deep powerful sound of the Original 40 series but with all the benefits of performance and low interior resonance from the Delta Flow technology. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.
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MagnaFlow – MagnaFlow Redpack 3.5 in Round Glasspack Performance Exhaust Muffler, 13134 (Part No.13134)

MagnaFlow Redpack 3.5 in Round Glasspack Performance Exhaust Muffler, 13134

from

$55.99
The MagnaFlow Redpack 3.5 in Round Glasspack Performance Exhaust Muffler 13134 features the same classic deep sound and dyno-proven performance of our other glasspack mufflers with the additional flair of a stylish yet timeless red finish. 13134’s 2 in/2 in round body and reversible straight-through universal design can be integrated into your vehicle’s exhaust system however you see fit, although professional installation is recommended. Check to ensure compliance with local noise regulations. This free-flowing muffler is engineered to add a dose of hot rod fury to your ride. 13134 features durable, corrosion resistant aluminized steel construction and is produced using cutting-edge CNC precision robotic manufacturing techniques, all backed by MagnaFlow’s 90-day limited construction warranty.
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Flowmaster Inc. – Flowmaster Inc. Flow FX Muffler, 71225 (Part No.71225)

Flowmaster Inc. Flow FX Muffler, 71225

from

$99.99
“Flowmaster’s Flow FX series mufflers deliver a moderate performance tone for the enthusiast looking for an exhaust note that is different from the “”chambered”” muffler sound. The interior features a large 3.00-inch “”straight-through”” stainless steel perforated core, surrounded with high-temperature sound absorption materials delivering a deep traditional mellow tone. The internal flow design is reversible, so the muffler can be installed in either direction to best suit the vehicle application and offsets needed. Features include fully MIG-welded “”bright”” 409 stainless steel construction with the Flow FX logo embossed on both sides of the case. The Flow FX line of mufflers is perfect for the person looking for a show quality performance muffler at an economical price point and in a compact sized case.”
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Walker – Walker Sound Solution Exhaust Muffler, 18601 (Part No.18601)

Walker Sound Solution Exhaust Muffler, 18601

from

$58.99
Sound Solution mufflers are engineered with 100% aluminized steel for longer service life compared to low carbon steel. These mufflers have mechanical interior joints for durability, And spun-locked heads for resistance to rupture from backfires. Sound Solution mufflers are available in a universal fitment style, with both quality appearance And favorable acoustics.
See More

Walker – "Walker Quiet-Flow Direct Fit Exhaust Muffler 2"" Inlet (ID) 2.25"" Outlet (OD), 21834" (Part No.21834)

"Walker Quiet-Flow Direct Fit Exhaust Muffler 2"" Inlet (ID) 2.25"" Outlet (OD), 21834"

from

$454.99
Designed to deliver superior flow and OE-style sound, Walker Quiet-Flow direct-fit mufflers feature OE-style hangers, brackets and pipe routings for easy installation. Available for top-selling domestic and foreign vehicles, Quiet-Flow mufflers have an internal drainage system to help reduce moisture collection.
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Walker – "Walker SoundFX Universal Universal Exhaust Muffler 2.25"" Inlet (ID) 2"" Outlet (ID), 18107" (Part No.18107)

"Walker SoundFX Universal Universal Exhaust Muffler 2.25"" Inlet (ID) 2"" Outlet (ID), 18107"

from

$153.99
Walker SoundFX universal mufflers are engineered with 100% aluminized steel for longer service life compared to low-carbon steel. Featuring mechanical interior joints for durability and spun-locked heads for stability, SoundFX mufflers deliver quality appearance and favorable acoustics.
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Flowmaster Inc. – Flowmaster Inc. 40 Series Muffler 409S – 2.25 Offset In – 2.25 Center Out – Aggressive Sound, 8042441 (Part No.8042441)

Flowmaster Inc. 40 Series Muffler 409S - 2.25 Offset In - 2.25 Center Out - Aggressive Sound, 8042441

from

$135.99
The Original 40 series muffler delivers an aggressive exterior and interior tone. If you’re looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.
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BRExhaust – BRExhaust Exhaust Premium Universal Muffler, 100-1751 (Part No.100-1751)

BRExhaust Exhaust Premium Universal Muffler, 100-1751

from

$64.99
This BRExhaust replacement exhaust is engineered based on the original OEM design to ensure reliability, durability and performance. The ease of installation will save you time and effort, getting you back out on the road sooner. Each muffler features thicker hangers for added strength and fully welded, perforated tubes to guarantee a long service life.
See More

Flowmaster Inc. – Flowmaster Inc. Super 44 Series Muffler 409S – 2.25 Offset In-2.25 Center Out – Aggressive Sound, 842446 (Part No.842446)

Flowmaster Inc. Super 44 Series Muffler 409S - 2.25 Offset In-2.25 Center Out - Aggressive Sound, 842446

from

$139.99
Flowmaster’s Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a rich powerful tone and are the most aggressive, highest performing street muffler we’ve ever built in a four inch case. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.
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Walker – "Walker Quiet-Flow Direct Fit Exhaust Muffler 2"" Inlet (ID) 2.25"" Outlet (OD), 21859" (Part No.21859)

"Walker Quiet-Flow Direct Fit Exhaust Muffler 2"" Inlet (ID) 2.25"" Outlet (OD), 21859"

from

$438.99
Designed to deliver superior flow and OE-style sound, Walker Quiet-Flow direct-fit mufflers feature OE-style hangers, brackets and pipe routings for easy installation. Available for top-selling domestic and foreign vehicles, Quiet-Flow mufflers have an internal drainage system to help reduce moisture collection.
See More

Walker – "Walker SoundFX Direct Fit Exhaust Muffler 2"" Inlet (ID) 2.25"" Outlet (OD), 18820" (Part No.18820)

"Walker SoundFX Direct Fit Exhaust Muffler 2"" Inlet (ID) 2.25"" Outlet (OD), 18820"

from

$143.99
Walker SoundFX direct-fit mufflers are engineered with 100% aluminized steel for longer service life compared to low-carbon steel. Featuring mechanical interior joints and spun-locked heads for durability and stability, SoundFX mufflers deliver quality appearance and favorable acoustics.
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Walker – "Walker SoundFX Direct Fit Exhaust Muffler 2"" Inlet (ID) 2"" Outlet (ID), 18275" (Part No.18275)

"Walker SoundFX Direct Fit Exhaust Muffler 2"" Inlet (ID) 2"" Outlet (ID), 18275"

from

$78.99
Walker SoundFX direct-fit mufflers are engineered with 100% aluminized steel for longer service life compared to low-carbon steel. Featuring mechanical interior joints and spun-locked heads for durability and stability, SoundFX mufflers deliver quality appearance and favorable acoustics.
See More

Walker – "Walker Quiet-Flow Direct Fit Exhaust Muffler 2.25"" Inlet (ID) 2.25"" Outlet (ID), 22395" (Part No.22395)

"Walker Quiet-Flow Direct Fit Exhaust Muffler 2.25"" Inlet (ID) 2.25"" Outlet (ID), 22395"

from

$92.99
Designed to deliver superior flow and OE-style sound, Walker Quiet-Flow direct-fit mufflers feature OE-style hangers, brackets and pipe routings for easy installation. Available for top-selling domestic and foreign vehicles, Quiet-Flow mufflers have an internal drainage system to help reduce moisture collection.
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Hooker Headers – Hooker Headers VR304 Muffler, 21644HKR (Part No.21644HKR)

Hooker Headers VR304 Muffler, 21644HKR

from

$169.99
The VR304 Muffler offers excellent exhaust flow capabilities with a mellow yet powerful sound. This muffler produces an aggressive sound on throttle but a quiet note at idle with very little resonance. 304 stainless steel construction for maximum corrosion resistance and a great undercar look. The straight through designed perforated core and glass packing absorption muffler produces maximum power.
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Walker – "Walker SoundFX Universal Universal Exhaust Muffler 2"" Inlet (ID) 2"" Outlet (ID), 18101" (Part No.18101)

"Walker SoundFX Universal Universal Exhaust Muffler 2"" Inlet (ID) 2"" Outlet (ID), 18101"

from

$87.99
Walker SoundFX universal mufflers are engineered with 100% aluminized steel for longer service life compared to low-carbon steel. Featuring mechanical interior joints for durability and spun-locked heads for stability, SoundFX mufflers deliver quality appearance and favorable acoustics.
See More

BRExhaust – BRExhaust Exhaust Premium Universal Muffler, 101-1199 (Part No.101-1199)

BRExhaust Exhaust Premium Universal Muffler, 101-1199

from

$67.99
This BRExhaust replacement exhaust is engineered based on the original OEM design to ensure reliability, durability and performance. The ease of installation will save you time and effort, getting you back out on the road sooner. Each muffler features thicker hangers for added strength and fully welded, perforated tubes to guarantee a long service life.
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PowerStop – PowerStop Z17 Evolution Ceramic Brake Pads with Hardware, 17-698 (Part No.17-698)

PowerStop Z17 Evolution Ceramic Brake Pads with Hardware, 17-698

from

$71.99
The Z17 Evolution Ceramic Brake Pad and Hardware set is a stock replacement brake pad set for your daily driven vehicle. The ceramic pads’ low-dust formula is validated through on-vehicle 3rd party tests in the USA to keep your wheels looking like new. The pads also feature dual-layer high-temperature rubberized shims that insulate noise for virtually silent braking. If you’re looking to refresh the look and braking performance of your old, worn-out brakes, look no further. Say hello to a smooth, quiet commute with Z17 Evolution Ceramic Brake Pads.
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Walker – Walker Sound Solution Exhaust Muffler, 18607 (Part No.18607)

Walker Sound Solution Exhaust Muffler, 18607

from

$73.99
Sound Solution mufflers are engineered with 100% aluminized steel for longer service life compared to low carbon steel. These mufflers have mechanical interior joints for durability, And spun-locked heads for resistance to rupture from backfires. Sound Solution mufflers are available in a universal fitment style, with both quality appearance And favorable acoustics.
See More

Walker – "Walker SoundFX Direct Fit Exhaust Muffler 2.5"" Inlet (ID) 2.25"" Outlet (ID), 18409" (Part No.18409)

"Walker SoundFX Direct Fit Exhaust Muffler 2.5"" Inlet (ID) 2.25"" Outlet (ID), 18409"

from

$76.99
Walker SoundFX direct-fit mufflers are engineered with 100% aluminized steel for longer service life compared to low-carbon steel. Featuring mechanical interior joints and spun-locked heads for durability and stability, SoundFX mufflers deliver quality appearance and favorable acoustics.
See More

Walker – "Walker SoundFX Universal Universal Exhaust Muffler 2.5"" Inlet (ID) 2.25"" Outlet (ID), 18112" (Part No.18112)

"Walker SoundFX Universal Universal Exhaust Muffler 2.5"" Inlet (ID) 2.25"" Outlet (ID), 18112"

from

$71.99
Walker SoundFX universal mufflers are engineered with 100% aluminized steel for longer service life compared to low-carbon steel. Featuring mechanical interior joints for durability and spun-locked heads for stability, SoundFX mufflers deliver quality appearance and favorable acoustics.
See More

BRExhaust – BRExhaust Exhaust Premium Universal Muffler, 100-1780 (Part No.100-1780)

BRExhaust Exhaust Premium Universal Muffler, 100-1780

from

$78.99
This BRExhaust replacement exhaust is engineered based on the original OEM design to ensure reliability, durability and performance. The ease of installation will save you time and effort, getting you back out on the road sooner. Each muffler features thicker hangers for added strength and fully welded, perforated tubes to guarantee a long service life.
See More

BRExhaust – BRExhaust Exhaust Premium Universal Muffler, 100-1770 (Part No.100-1770)

BRExhaust Exhaust Premium Universal Muffler, 100-1770

from

$68.99
This BRExhaust replacement exhaust is engineered based on the original OEM design to ensure reliability, durability and performance. The ease of installation will save you time and effort, getting you back out on the road sooner. Each muffler features thicker hangers for added strength and fully welded, perforated tubes to guarantee a long service life.
See More

Walker – "Walker SoundFX Direct Fit Exhaust Muffler 2"" Inlet (OD) 2"" Outlet (OD), 18802" (Part No.18802)

"Walker SoundFX Direct Fit Exhaust Muffler 2"" Inlet (OD) 2"" Outlet (OD), 18802"

from

$95.99
Walker SoundFX direct-fit mufflers are engineered with 100% aluminized steel for longer service life compared to low-carbon steel. Featuring mechanical interior joints and spun-locked heads for durability and stability, SoundFX mufflers deliver quality appearance and favorable acoustics.
See More

Most Popular Mufflers for 2011 Buick Regals

Enhance your 2011 Buick Regal with one of the 2 Mufflers we have in stock, starting at just $438.99.

Walker – "Walker Quiet-Flow Direct Fit Exhaust Muffler 2"" Inlet (ID) 2.25"" Outlet (OD), 21834" (Part No.21834)

"Walker Quiet-Flow Direct Fit Exhaust Muffler 2"" Inlet (ID) 2.25"" Outlet (OD), 21834"

from

$454.99
Designed to deliver superior flow and OE-style sound, Walker Quiet-Flow direct-fit mufflers feature OE-style hangers, brackets and pipe routings for easy installation. Available for top-selling domestic and foreign vehicles, Quiet-Flow mufflers have an internal drainage system to help reduce moisture collection.
See More

Walker – "Walker Quiet-Flow Direct Fit Exhaust Muffler 2"" Inlet (ID) 2.25"" Outlet (OD), 21859" (Part No.21859)

"Walker Quiet-Flow Direct Fit Exhaust Muffler 2"" Inlet (ID) 2.25"" Outlet (OD), 21859"

from

$438.99
Designed to deliver superior flow and OE-style sound, Walker Quiet-Flow direct-fit mufflers feature OE-style hangers, brackets and pipe routings for easy installation. Available for top-selling domestic and foreign vehicles, Quiet-Flow mufflers have an internal drainage system to help reduce moisture collection.
See More

FAQs for 2011 Buick Regal Exhaust Mufflers

What are the best-selling Exhaust Mufflers for 2011 Buick Regals?

Out of 2 Exhaust Mufflers that fit 2011 Buick Regals, the following parts are the top sellers:

What’s the price range for 2011 Buick Regal Exhaust Mufflers?

The prices of Exhaust Mufflers for the 2011 Buick Regal range from $438.99 up to $454.99 for the most premium parts.

What is the average price of an Exhaust Muffler for a 2011 Buick Regal?

The average price for Exhaust Mufflers for the 2011 Buick Regal is $446.99. Keep in mind the variety of part types within our Exhaust Muffler category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Exhaust Mufflers for other Buick Regal model years?

Yes, we carry Exhaust Mufflers for 37 model years of Buick Regals between 1973 and 2017. The following model years are the most popular for Exhaust Muffler purchases: 2017, 2016, 2015, 2014, 2013, 2012, 2004, 2003, and 2002.

What are the cheapest Exhaust Mufflers for my 2011 Buick Regal?

Does Advance Auto Parts sell Exhaust Mufflers for any other 2011 Buick models?

Yes. We stock Exhaust Mufflers for 1 other popular 2011 Buick models. Some of the most popular are 2011 LaCrosse Exhaust Mufflers and 2011 Enclave Exhaust Mufflers.

What types of Exhaust Mufflers do you sell for my 2011 Buick Regal?

We currently have just 1 Exhaust Muffler in stock for a 2011 Buick Regal, and as of 8/2/26, it is a Muffler.

Can I get help with 2011 Buick Regal Exhaust Muffler orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Buick Exhaust Mufflers and more.

What is your return policy for Buick Regal Exhaust Mufflers?

Advance Auto Parts keeps returns simple. For new Buick Regal Exhaust Mufflers and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.