2001 Buick Regal Exhaust Mufflers

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Keep Your 2001 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 2001 Buick Regal looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Exhaust Muffler Gaskets and 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.

Top-Rated Exhaust Mufflers from Trusted Brands

Looking for a reliable Exhaust Muffler? We’ve got you covered with options from brands you know and trust like Felpro and Walker. For example, Felpro Exhaust Mufflers start at just $10.99 with an average 4.6 star rating. Walker offer similar pricing and quality, backed by strong customer feedback. With over 10 reviews and a solid 5 star average, you can shop with confidence knowing other Buick Regal owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2001 Buick Regal Exhaust Muffler at Advance Auto Parts is around $95.66, with a range that starts at $10.99 and goes up to $143.99. With 3 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like SoundFX Direct Fit Exhaust Muffler 2" Inlet (ID) 2.25" Outlet (OD) start at just $131.99 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 2001 Buick Regal in peak condition, inside and out.

Essential 2001 Buick Regal Exhaust Mufflers

Felpro – Exhaust Pipe Flange Gasket (Part No.61009)

Exhaust Pipe Flange Gasket

from

$10.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX direct-fit mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.

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 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

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 – 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.
See More

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

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

from

$139.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX universal mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.

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.21859)

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

from

$397.99
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 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 warranty and exclusive 90-Day Safe & Sound Guarantee
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.
See More

Flowmaster Inc. – Delta 40 Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.842543)

Delta 40 Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Aggressive Sound

from

$168.99
This two chamber design incorporates Flowmaster’s patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over standard 40 series. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.
See More

Walker – Quiet-Flow SS Direct Fit Exhaust Muffler 2" Inlet (ID) 2.25" Outlet (OD) (Part No.21341)

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

from

$143.99
Product Features:
  • CORROSION RESISTANT STAINLESS STEEL – The only broad-market muffler body with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection
  • 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 welding
  • 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 warranty and exclusive 90-Day Safe and Sound Guarantee. Visit Walkerexhaust.com for details.
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.
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Walker – SoundFX Universal Exhaust Muffler 2" Inlet (ID) 2" Outlet (ID) (Part No.17870)

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

from

$379.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX universal mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.

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 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

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) 2.25" Outlet (OD) (Part No.18820)

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

from

$131.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX direct-fit mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.

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 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

Flowmaster Inc. – 40 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.42543)

40 Series Muffler, 2.5in Offset Inlet 2.5in Offset 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

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

Exhaust 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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Hooker Headers – Mufflers (Part No.21644HKR)

Mufflers

from

$147.99
Mufflers

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.
See More

Flowmaster Inc. – 40 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Aggressive Sound (Part No.942441)

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

from

$152.99
This two chamber design incorporates Flowmaster’s patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over Original 40 series. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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.
See More

Walker – SoundFX Direct Fit Exhaust Muffler 2.25" Inlet (ID) 2" Outlet (ID) (Part No.18345)

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

from

$71.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX direct-fit mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.

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 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

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.
See More

Flowmaster Inc. – 40 Series Muffler, 2in Offset Inlet 2in Center Outlet, Non-Reversible, Aggressive Sound (Part No.942041)

40 Series Muffler, 2in Offset Inlet 2in Center Outlet, Non-Reversible, Aggressive Sound

from

$152.99
This two chamber design incorporates Flowmaster’s patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over Original 40 series. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
See More

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

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

from

$78.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX universal mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.

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 2.25" 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
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 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 warranty and exclusive 90-Day Safe and Sound Guarantee. Visit Walkerexhaust.com for details.
See More

Flowmaster Inc. – 40 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.942543)

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

from

$152.99
This two chamber design incorporates Flowmaster’s patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over Original 40 series. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
See More

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
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX direct-fit mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.

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 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 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
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX direct-fit mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.

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 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 – 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
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 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 warranty and exclusive 90-Day Safe & Sound Guarantee
See More

Most Popular Exhaust Muffler Gasket for 2001 Buick Regals

Enhance your 2001 Buick Regal with this popular Exhaust Muffler Gasket we have in stock, for $10.99.

Felpro – Exhaust Pipe Flange Gasket (Part No.61009)

Exhaust Pipe Flange Gasket

from

$10.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Best-Selling 2001 Buick Regal Mufflers

Upgrade your Regal with one of our 2 best-selling Mufflers, earning an average 5 stars rating across 3 reviews.

Walker – Quiet-Flow SS Direct Fit Exhaust Muffler 2" Inlet (ID) 2.25" Outlet (OD) (Part No.21341)

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

from

$143.99
Product Features:
  • CORROSION RESISTANT STAINLESS STEEL – The only broad-market muffler body with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection
  • 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 welding
  • 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 warranty and exclusive 90-Day Safe and Sound Guarantee. Visit Walkerexhaust.com for details.
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

$131.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX direct-fit mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.

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 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

Top-Rated Exhaust Muffler Brands For Your 2001 Buick Regal

When it comes to finding the perfect Exhaust Muffler for your 2001 Buick Regal, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Exhaust Muffler brands including Felpro and Walker, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $10.99. Purchasing a Exhaust Muffler from us here at Advance Auto Parts is a smart move for both you and your 2001 Buick Regal, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 2001 Buick Regal Exhaust Mufflers

If you’re looking for a top-quality Exhaust Muffler for your 2001 Buick Regal, Advance Auto Parts has exactly what you need with our selection of Felpro Exhaust Mufflers. We have 1 Felpro Exhaust Mufflers in stock for this fitment, all known for their durability and precision fit. With prices starting at just $10.99, you’ll find the perfect Exhaust Muffler for your needs and budget. Felpro Exhaust Mufflers for the 2001 Buick Regal come highly rated, with over 2 customer reviews and an impressive average rating of 4.6 stars. Choosing a Felpro Exhaust Muffler from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Exhaust Pipe Flange Gasket
from $10.99
(2)
Exhaust Pipe Flange Gasket
“Great gasket”

Top-Quality Walker 2001 Buick Regal Exhaust Mufflers

For those in search of a high-quality Exhaust Muffler for their 2001 Buick Regal, Advance Auto Parts offers a great selection of Walker Exhaust Mufflers. With 1 Walker Exhaust Mufflers in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Exhaust Mufflers start at just $143.99, giving you a range of options to suit your budget. Backed by over 3 customer ratings and an average rating of 4.2 stars, Walker Exhaust Mufflers provide both reliability and excellent performance. Choosing a Walker Exhaust Muffler from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

FAQs for 2001 Buick Regal Exhaust Mufflers

What are the best-selling Exhaust Mufflers for 2001 Buick Regals?

Out of 3 Exhaust Mufflers that fit 2001 Buick Regals, the following parts are the top sellers:

What’s the price range for 2001 Buick Regal Exhaust Mufflers?

The prices of Exhaust Mufflers for the 2001 Buick Regal range from $10.99 up to $143.99 for the most premium parts.

What is the average price of an Exhaust Muffler for a 2001 Buick Regal?

The average price for Exhaust Mufflers for the 2001 Buick Regal is $95.66. 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 36 model years of Buick Regals between 1974 and 2017. The following model years are the most popular for Exhaust Muffler purchases: 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2004, and 2003.

What are the cheapest Exhaust Mufflers for my 2001 Buick Regal?

The cheapest 2001 Buick Regal Exhaust Mufflers we carry are:

Does Advance Auto Parts sell Exhaust Mufflers for any other 2001 Buick models?

Yes. We stock Exhaust Mufflers for 2 other popular 2001 Buick models. Some of the most popular are 2001 Century Exhaust Mufflers, 2001 LeSabre Exhaust Mufflers, and 2001 Park Avenue Exhaust Mufflers.

What are the top-rated Exhaust Mufflers that fit the 2001 Buick Regal?

Based on 10 reviews by customers, our 2001 Buick Regal Exhaust Mufflers have an average customer rating of 5 stars. These are the highest-rated categories of Exhaust Mufflers for the 2001 Buick Regal and their top-rated products:

What types of Exhaust Mufflers do you sell for my 2001 Buick Regal?

As of 3/1/26, these are some of the most in-demand types of Exhaust Mufflers for a 2001 Buick Regal:

Can I get help with 2001 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.