2012 Buick Regal Exhaust Mufflers

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Keep Your 2012 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 2012 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 2012 Buick Regal Exhaust Muffler at Advance Auto Parts is around $405.49, with a range that starts at $397.99 and goes up to $412.99. With 2 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Quiet-Flow Direct Fit Exhaust Muffler 2" Inlet (ID) 2.25" Outlet (OD) and Quiet-Flow Direct Fit Exhaust Muffler 2" Inlet (ID) 2.25" Outlet (OD) start at just $397.99 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 2012 Buick Regal in peak condition, inside and out.

Essential 2012 Buick Regal Exhaust Mufflers

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

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

from

$80.99
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.

Product Features:
  • EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and/or welding
  • RESISTS CORROSION — Internal drainage system helps reduce moisture collection
  • BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • PREMIUM ACOUSTIC CONTROL — OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
  • DESIGN VALIDATED — Acoustic and flow tested for quality OE-style sound you can count on
  • BUY WITH CONFIDENCE — Comes with Walker’s limited lifetime warranty and exclusive 90-Day Safe and Sound Guarantee. Visit Walkerexhaust.com for details.
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Walker – Sound Solution Exhaust Muffler (Part No.18601)

Sound Solution Exhaust Muffler

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.

Product Features:
  • Aluminized steel construction for corrosion resistance and durability
  • Mechanical interior joints for durability
  • Spun-locked heads for rupture resistance
  • Tube-and-partition style interior design
  • Universal mufflers may require modifications to complete installation
  • Spot welded bushings provide stability and system support
  • Some mufflers available with reinforced bracketed heads
See More

Walker – Sound Solution Exhaust Muffler (Part No.18607)

Sound Solution Exhaust Muffler

from

$63.99
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.

Product Features:
  • Aluminized steel construction for corrosion resistance and durability
  • Mechanical interior joints for durability
  • Spun-locked heads for rupture resistance
  • Tube-and-partition style interior design
  • Universal mufflers may require modifications to complete installation
  • Spot welded bushings provide stability and system support
  • Some mufflers available with reinforced bracketed heads
See More

Flowmaster Inc. – 50 Series Muffler, 2in Offset Inlet 2in Center Outlet, Non-Reversible, Moderate Sound (Part No.942051)

50 Series Muffler, 2in Offset Inlet 2in Center Outlet, Non-Reversible, Moderate Sound

from

$173.99
The three chamber design utilizes Flowmaster’s patented Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with less interior resonance. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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BRExhaust – Direct-Fit Exhaust System Kit (Part No.106-0418)

Direct-Fit Exhaust System Kit

from

$392.99
BRExhaust Direct-Fit Replacement Exhaust Kit 106-0418 takes the guesswork out of replacing your exhaust system while providing a reliable and high-quality alternative to the OEM exhaust. You will find all of the gaskets and clamps needed to get the job done in the carefully packaged box. 106-0418’s precision mandrel bent pipes facilitate superior exhaust flow compared to the crush-bent pipes commonly used in competing aftermarket replacement exhaust systems. The multi-piece, bolt-on design ensures the exhaust system is easy to install yourself and fits perfectly to help get you back on the road in no time. No bending or welding is required for installation. This Direct-Fit Exhaust System Kit is designed to fit the 1997-2004 Buick Regal 3.8L. BRExhaust Direct-Fit Replacement Exhaust Kit 106-0418 includes (3) 2.125in. U-Bolt Clamps, (1) 2-Bolt Gasket, (3) 2in. U-Bolt Clamp Saddle Hangers, (2) Bolts, (2) Nuts and interchanges with OE parts 10256823, 10300204, 10312666, 10312667, 10315292, 10354953, 10354954, 10408316, 15144847. BRExhaust Direct-Fit Replacement Exhaust Kit 106-0418 features durable Aluminized Steel construction and is covered by a 2 year warranty.

Product Features:
  • Two year, unlimited mileage warranty
  • Leaves all emissions equipment intact, maintaining emissions compliance
  • All components, gaskets, clamps, and hardware required, along with installation instructions, are packaged together in a single protective box
  • Bolt-on, multi-piece design for smooth and easy DIY installation around obstructions, ensuring quality fitment and function without requiring fabrication
  • Complete mandrel-bent replacement of all parts from behind or near the last catalytic converter, offering long-lasting, high corrosion resistance and durability
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Flowmaster Inc. – Super 44 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.842548)

Super 44 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Aggressive Sound

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 – SoundFX Direct Fit Exhaust Muffler 2" Inlet (ID) 2" Outlet (ID) (Part No.18275)

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

from

$71.99
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.

Product Features:
  • RESISTS CORROSION — Aluminized steel construction and internal drainage system helps reduce corrosion
  • BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation that doesn’t require specialized fabrication and/or welding
  • FACTORY SOUND — Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
  • GET MORE MILES FROM YOUR MUFFLER — Designed and tested to extend muffler life
See More

Walker – Sound Solution Exhaust Muffler (Part No.18759)

Sound Solution Exhaust Muffler

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.

Product Features:
  • Aluminized steel construction for corrosion resistance and durability
  • Mechanical interior joints for durability
  • Spun-locked heads for rupture resistance
  • Tube-and-partition style interior design
  • Universal mufflers may require modifications to complete installation
  • Spot welded bushings provide stability and system support
  • Some mufflers available with reinforced bracketed heads
See More

Flowmaster Inc. – Super 10 Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.842518)

Super 10 Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Aggressive Sound

from

$101.99
Super 10 Series 409S stainless steel – single chamber mufflers. Intended for customers who desire the loudest and most aggressive sound they can find. Because these mufflers are so aggressive, they are recommended only for off highway use and not for street driven vehicles. These mufflers utilize the same patented Delta Flow technology that is found in Flowmaster’s other Super series mufflers to deliver maximum performance. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.
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Walker – Sound Solution Exhaust Muffler (Part No.18649)

Sound Solution Exhaust Muffler

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.

Product Features:
  • Aluminized steel construction for corrosion resistance and durability
  • Mechanical interior joints for durability
  • Spun-locked heads for rupture resistance
  • Tube-and-partition style interior design
  • Universal mufflers may require modifications to complete installation
  • Spot welded bushings provide stability and system support
  • Some mufflers available with reinforced bracketed heads
See More

Flowmaster Inc. – 80 Series Muffler, 2.5in Dual Offset Inlet 2.5in Dual Offset Outlet, 13in long, Aggressive Sound (Part No.42582)

80 Series Muffler, 2.5in Dual Offset Inlet 2.5in Dual Offset Outlet, 13in long, Aggressive Sound

from

$255.99
The 80 series is a cross-flow design for applications where the muffler is mounted transversely behind the rear end. Delivering an aggressive muscle car sound both inside and outside the vehicle, this is an excellent replacement for Camaros & Firebirds with transverse mufflers. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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Walker – SoundFX Direct Fit Exhaust Muffler 2" Inlet (ID) 2" Outlet (OD) (Part No.18246)

SoundFX Direct Fit Exhaust Muffler 2" Inlet (ID) 2" Outlet (OD)

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.

Product Features:
  • RESISTS CORROSION — Aluminized steel construction and internal drainage system helps reduce corrosion
  • BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation that doesn’t require specialized fabrication and/or welding
  • FACTORY SOUND — Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
  • GET MORE MILES FROM YOUR MUFFLER — Designed and tested to extend muffler life
See More

Walker – SoundFX Universal Universal Exhaust Muffler 2" Inlet (ID) 2" Outlet (ID) (Part No.18101)

SoundFX Universal Universal Exhaust Muffler 2" Inlet (ID) 2" Outlet (ID)

from

$78.99
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.

Product Features:
  • RESISTS CORROSION — Aluminized steel construction and internal drainage system helps reduce corrosion
  • BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
  • FACTORY SOUND — Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
  • GET MORE MILES FROM YOUR MUFFLER — Designed and tested to extend muffler life
See More

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

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

from

$412.99
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.

Product Features:
See More

Flowmaster Inc. – 50 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Moderate Sound (Part No.942553)

50 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Moderate Sound

from

$173.99
The three chamber design utilizes Flowmaster’s patented Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with less interior resonance. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
See More

Flowmaster Inc. – 40 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Aggressive Sound (Part No.42441)

40 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Aggressive Sound

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.
See More

Walker – SoundFX Universal Universal Exhaust Muffler 2" Inlet (ID) 2" Outlet (ID) (Part No.17870)

SoundFX Universal Universal Exhaust Muffler 2" Inlet (ID) 2" Outlet (ID)

from

$379.99
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.

Product Features:
  • RESISTS CORROSION — Aluminized steel construction and internal drainage system helps reduce corrosion
  • BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
  • FACTORY SOUND — Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
  • GET MORE MILES FROM YOUR MUFFLER — Designed and tested to extend muffler life
See More

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

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

from

$130.99
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.

Product Features:
  • RESISTS CORROSION — Aluminized steel construction and internal drainage system helps reduce corrosion
  • BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation that doesn’t require specialized fabrication and/or welding
  • FACTORY SOUND — Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
  • GET MORE MILES FROM YOUR MUFFLER — Designed and tested to extend muffler life
See More

Hooker Headers – VR304 Muffler (Part No.21644HKR)

VR304 Muffler

from

$163.99
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.

Product Features:
  • 304 Stainless Steel construction- for increased life and great appearance
  • Fully TIG welded to add a custom-crafted appearance to any exhaust system
  • Efficient, compact size for improved performance and maximum ground clearance.
  • Bi-directional construction-Muffler can be installed in either direction to ease fabrication
  • Composite stainless steel & Hi-temp E-glass packing lasts longer than common Rockwool materials
  • Case Dimensions: 14″ x 9″ x 4″
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Walker – SoundFX Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (ID) (Part No.18409)

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

from

$69.99
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.

Product Features:
  • RESISTS CORROSION — Aluminized steel construction and internal drainage system helps reduce corrosion
  • BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation that doesn’t require specialized fabrication and/or welding
  • FACTORY SOUND — Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
  • GET MORE MILES FROM YOUR MUFFLER — Designed and tested to extend muffler life
See More

Walker – SoundFX Universal Universal Exhaust Muffler 2.25" Inlet (ID) 2" Outlet (ID) (Part No.18107)

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

from

$139.99
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.

Product Features:
  • RESISTS CORROSION — Aluminized steel construction and internal drainage system helps reduce corrosion
  • BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
  • FACTORY SOUND — Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
  • GET MORE MILES FROM YOUR MUFFLER — Designed and tested to extend muffler life
See More

BRExhaust – Exhaust Premium Universal Muffler (Part No.100-1751)

Exhaust Premium Universal Muffler

from

$60.99
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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Walker – Quiet-Flow Direct Fit Exhaust Muffler 2" Inlet (ID) 2.25" Outlet (OD) (Part No.21859)

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

from

$397.99
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.

Product Features:
See More

Flowmaster Inc. – 40 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Aggressive Sound (Part No.8042441)

40 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Aggressive Sound

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.
See More

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

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

from

$86.99
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.

Product Features:
  • RESISTS CORROSION — Aluminized steel construction and internal drainage system helps reduce corrosion
  • BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation that doesn’t require specialized fabrication and/or welding
  • FACTORY SOUND — Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
  • GET MORE MILES FROM YOUR MUFFLER — Designed and tested to extend muffler life
See More

Walker – Sound Solution Exhaust Muffler (Part No.18710)

Sound Solution Exhaust Muffler

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.

Product Features:
  • Aluminized steel construction for corrosion resistance and durability
  • Mechanical interior joints for durability
  • Spun-locked heads for rupture resistance
  • Tube-and-partition style interior design
  • Universal mufflers may require modifications to complete installation
  • Spot welded bushings provide stability and system support
  • Some mufflers available with reinforced bracketed heads
See More

Flowmaster Inc. – Super 44 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Aggressive Sound (Part No.942446)

Super 44 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Aggressive Sound

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.
See More

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

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

from

$63.99
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.

Product Features:
  • RESISTS CORROSION — Aluminized steel construction and internal drainage system helps reduce corrosion
  • BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
  • FACTORY SOUND — Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
  • GET MORE MILES FROM YOUR MUFFLER — Designed and tested to extend muffler life
See More

Most Popular Mufflers for 2012 Buick Regals

Enhance your 2012 Buick Regal with one of the 2 Mufflers we have in stock, starting at just $397.99.

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

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

from

$412.99
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.

Product Features:
See More

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

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

from

$397.99
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.

Product Features:
See More

FAQs for 2012 Buick Regal Exhaust Mufflers

What are the best-selling Exhaust Mufflers for 2012 Buick Regals?

Out of 2 Exhaust Mufflers that fit 2012 Buick Regals, the following parts are the top sellers:

What’s the price range for 2012 Buick Regal Exhaust Mufflers?

The prices of Exhaust Mufflers for the 2012 Buick Regal range from $397.99 up to $412.99 for the most premium parts.

What is the average price of an Exhaust Muffler for a 2012 Buick Regal?

The average price for Exhaust Mufflers for the 2012 Buick Regal is $405.49. 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 35 model years of Buick Regals between 1975 and 2017. The following model years are the most popular for Exhaust Muffler purchases: 2017, 2016, 2015, 2014, 2013, 2011, 2004, 2003, and 2002.

What are the cheapest Exhaust Mufflers for my 2012 Buick Regal?

The cheapest 2012 Buick Regal Exhaust Mufflers we carry are:

Does Advance Auto Parts sell Exhaust Mufflers for any other 2012 Buick models?

Yes. We stock Exhaust Mufflers for 2 other popular 2012 Buick models. Some of the most popular are 2012 LaCrosse Exhaust Mufflers, 2012 Enclave Exhaust Mufflers, and 2012 Verano Exhaust Mufflers.

What types of Exhaust Mufflers do you sell for my 2012 Buick Regal?

We currently have just 1 Exhaust Muffler in stock for a 2012 Buick Regal, and as of 6/2/26, it is a Muffler.

Can I get help with 2012 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.