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Buick Regal Replacement Muffler Information


The internal combustion engine creates power through a series of explosions involving gasoline and oxygen. These explosions generate a large amount of heat, a lot of noise and a great many potentially toxic emissions. Your Buick Regal's muffler is engineered to control the emissions and noise that arise during the course of normal engine performance. The muffler consists of a canister filled with tubes that are specially designed to dampen sounds in the frequency range where the engine makes the most amount of noise. The tubes also shunt noxious emissions gasses away from carriage of the car where they might affect your car's occupants, and out through your vehicle's tailpipe. During the course of this shunting process, a certain amount of backpressure builds up in the muffler, which will detract slightly from your car's performance. Buy replacement mufflers for your Buick Regal at PartsGeek.com.


They are available for the following Buick Regal years: 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1990, 1988, 1987, 1986, 1985, 1984, 1983, 1982, 1981, 1980, 1979, 1978, 1977, 1976, 1975, 1974, 1973, 04, 03, 02, 01, 00, 99, 98, 97, 90, 88, 87, 86, 85, 84, 83, 82, 81, 80, 79, 78, 77, 76, 75, 74, 73. This part is also sometimes called Buick Regal Mufflers. We stock muffler parts for most Buick models including Century, LeSabre, Park Avenue, Skylark, Rendezvous, Roadmaster, LaCrosse, Riviera, Rainier, Terraza, Electra, Skyhawk, Lucerne, Reatta, GS 455, Centurion, GS, Gran Sport, GS 350, GS 400, Estate Wagon, Somerset and Somerset Regal.

We stock these Muffler brands for the Buick Regal: Walker and Flowmaster.


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Review Fitment Notes to Ensure Proper Fit

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(2 Reviews)
5 Stars
Walker 18820
Muffler
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Our List Price: $74.33
(22) In Stock
Product SKU: 18820
Product Note: SoundFX Direct Fit Muffler -- Optional; SoundFX for 21341
Features:
  • Reinforced bracketed heads improve structural support and stability
  • Mechanical joints end spot weld breakage and flow tube buckling
  • Spot-welded bushings for greater stability and assembly support
  • 180║ double-wrapped cover and shell enhance performance and durability
  • Spun-locked heads resist backfire and exhaust gas leakage
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
2001 (01) Buick Regal 3.8L V6 


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(2 Reviews)
5 Stars
Walker 18820
Muffler
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Our List Price: $74.33
(22) In Stock
Product SKU: 18820
Product Note: SoundFX Direct Fit Muffler -- Optional; SoundFX for 21341
Features:
  • Reinforced bracketed heads improve structural support and stability
  • Mechanical joints end spot weld breakage and flow tube buckling
  • Spot-welded bushings for greater stability and assembly support
  • 180║ double-wrapped cover and shell enhance performance and durability
  • Spun-locked heads resist backfire and exhaust gas leakage
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
1999 (99) Buick Regal 3.8L V6 


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(2 Reviews)
5 Stars
Walker 18820
Muffler
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Loading Reviews...
Our List Price: $74.33
(22) In Stock
Product SKU: 18820
Product Note: SoundFX Direct Fit Muffler -- Optional; SoundFX for 21341
Features:
  • Reinforced bracketed heads improve structural support and stability
  • Mechanical joints end spot weld breakage and flow tube buckling
  • Spot-welded bushings for greater stability and assembly support
  • 180║ double-wrapped cover and shell enhance performance and durability
  • Spun-locked heads resist backfire and exhaust gas leakage
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Sub Model Engine
2003 (03) Buick Regal LS  3.8L V6 


Click to Enlarge
(2 Reviews)
5 Stars
Walker 18820
Muffler
Close
Loading Reviews...
Our List Price: $74.33
(22) In Stock
Product SKU: 18820
Product Note: SoundFX Direct Fit Muffler -- Optional; SoundFX for 21341
Features:
  • Reinforced bracketed heads improve structural support and stability
  • Mechanical joints end spot weld breakage and flow tube buckling
  • Spot-welded bushings for greater stability and assembly support
  • 180║ double-wrapped cover and shell enhance performance and durability
  • Spun-locked heads resist backfire and exhaust gas leakage
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
2000 (00) Buick Regal 3.8L V6 


Click to Enlarge
(2 Reviews)
5 Stars
Walker 18820
Muffler
Close
Loading Reviews...
Our List Price: $74.33
(22) In Stock
Product SKU: 18820
Product Note: SoundFX Direct Fit Muffler -- Optional; SoundFX for 21341
Features:
  • Reinforced bracketed heads improve structural support and stability
  • Mechanical joints end spot weld breakage and flow tube buckling
  • Spot-welded bushings for greater stability and assembly support
  • 180║ double-wrapped cover and shell enhance performance and durability
  • Spun-locked heads resist backfire and exhaust gas leakage
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
2002 (02) Buick Regal 3.8L V6 


Click to Enlarge
(2 Reviews)
5 Stars
Walker 18820
Muffler
Close
Loading Reviews...
Our List Price: $74.33
(22) In Stock
Product SKU: 18820
Product Note: SoundFX Direct Fit Muffler -- Optional; SoundFX for 21341
Features:
  • Reinforced bracketed heads improve structural support and stability
  • Mechanical joints end spot weld breakage and flow tube buckling
  • Spot-welded bushings for greater stability and assembly support
  • 180║ double-wrapped cover and shell enhance performance and durability
  • Spun-locked heads resist backfire and exhaust gas leakage
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
1998 (98) Buick Regal 3.8L V6 


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(Read reviews)
Our List Price: $52.33
(7) In Stock
Product SKU: 22395
Product Note: Quiet-Flow Muffler -- Premium - Limited Lifetime Warranty
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Sub Model Engine
1987 (87) Buick Regal GNX  3.8L V6 


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(Read reviews)
Our List Price: $98.33
(9) In Stock
Product SKU: 21341
Product Note: Quiet-Flow SS Muffler -- Premium - Limited Lifetime Warranty; If welded assembly, replace all required parts.
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Sub Model Engine
2003 (03) Buick Regal LS  3.8L V6 


Click to Enlarge
(Read reviews)
Our List Price: $98.33
(9) In Stock
Product SKU: 21341
Product Note: Quiet-Flow SS Muffler -- Premium - Limited Lifetime Warranty; If welded assembly, replace all required parts.
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
1998 (98) Buick Regal 3.8L V6 


Click to Enlarge
(Read reviews)
Our List Price: $42.33
(8) In Stock
Product SKU: 18246
Product Note: SoundFX Direct Fit Muffler -- With California Emissions
Features:
  • Limited lifetime warranty
  • Great sound quality
  • Reinforced, bracketed heads provide greater support
  • Better resistance to backfire
  • Better resistance to exhaust leakage
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
1993 (93) Buick Regal 3.1L V6 


Click to Enlarge
(2 Reviews)
5 Stars
Walker 18820
Muffler
Close
Loading Reviews...
Our List Price: $74.33
(22) In Stock
Product SKU: 18820
Product Note: SoundFX Direct Fit Muffler -- Optional; SoundFX for 21341
Features:
  • Reinforced bracketed heads improve structural support and stability
  • Mechanical joints end spot weld breakage and flow tube buckling
  • Spot-welded bushings for greater stability and assembly support
  • 180║ double-wrapped cover and shell enhance performance and durability
  • Spun-locked heads resist backfire and exhaust gas leakage
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Sub Model Engine
2004 (04) Buick Regal GS  3.8L V6 


Click to Enlarge
(Read reviews)
Our List Price: $99.70
with FREE Shipping
(14) In Stock
Product SKU: 842446
Product Note: Super 44(TM) Delta Flow Muffler; 2.25 in. Offset Inlet / Center Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; 409S Stainless Steel
Features:
  • Deep Aggressive Exhaust Note
  • Durable Fully Welded 16ga Stainless Steel
  • Limited Lifetime Warranty
  • No Internal Packing To Blowout
  • Noticeable Interior Resonance
  • Premium Flowmaster Quality
  • Race Proven Patented Delta Flow┬« Technology
  • Recent Two Chamber Improvement
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping
Additional Fitment Information: Catalog: F
Vehicle Sub Model Engine
1980 (80) Buick Regal Base  5.0L V8 


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Click to Enlarge Image is not vehicle specific
(1 Reviews)
5 Stars
Flowmaster 42582
Muffler
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Our List Price: $148.42
with FREE Shipping
(4) In Stock
Product SKU: 42582
Product Note: 80 Series(TM) Cross-Flow Muffler; 2.5 in. Dual Inlet / Outlet; Case Dimensions 4 in. x 9.75 in. x 18 in.; 24 in. Overall Length; Aluminized Steel
Features:
  • 1982 to 2002 Camaro/Firebird/Buick Grand National
  • 3 Year Limited Warranty
  • Aggressive And Powerful Exterior Exhaust Tone
  • Cross Flow Applications
  • Durable Fully Welded 16ga Aluminized Steel
  • Notable Interior Resonance
  • Premium Flowmaster Quality
  • The Original Two Chamber Design
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping
Additional Fitment Information: Catalog: F
Vehicle Sub Model Engine
1987 (87) Buick Regal GNX  3.8L V6 


Click to Enlarge
(Read reviews)
Our List Price: $33.33
(3) In Stock
Product SKU: 17870
Product Note: SoundFX Universal Muffler -- Optional; SoundFX Universal for 18246; Modifications and/or additional parts required.
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
1991 (91) Buick Regal 3.1L V6 


Click to Enlarge
(Read reviews)
Our List Price: $98.33
(9) In Stock
Product SKU: 21341
Product Note: Quiet-Flow SS Muffler -- Premium - Limited Lifetime Warranty; If welded assembly, replace all required parts.
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
1999 (99) Buick Regal 3.8L V6 


Click to Enlarge
(2 Reviews)
5 Stars
Walker 18820
Muffler
Close
Loading Reviews...
Our List Price: $69.98
(2) In Stock
Product SKU: 18820
Product Note: SoundFX Direct Fit Muffler -- Optional; SoundFX for 21341
Features:
  • Reinforced bracketed heads improve structural support and stability
  • Mechanical joints end spot weld breakage and flow tube buckling
  • Spot-welded bushings for greater stability and assembly support
  • 180║ double-wrapped cover and shell enhance performance and durability
  • Spun-locked heads resist backfire and exhaust gas leakage
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: H
Vehicle Sub Model Engine
2004 (04) Buick Regal GS  3.8L V6 


Click to Enlarge
(Read reviews)
Our List Price: $62.98
(1) In Stock
Product SKU: 18154
Product Note: SoundFX Universal Muffler -- With California Emissions; Optional; SoundFX Universal for 18246; Requires Part Numbers 41013 and 35408 For Installation
Features:
  • Tube-and-partition interior design provides easy, economical silencing
  • Features aluminized cover, heads and bushings
  • Engineered to high standards
  • Assured high quality and dependability
  • Tested under extreme conditions
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: C
Vehicle Engine
1993 (93) Buick Regal 3.1L V6 


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Some of our Customer Reviews
Very Satisfied
Reviewer: Candace

The website was easy to brouse and the part was perfect for what we needed.

2000 Buick Regal Muffler

Very Satisfied
Reviewer: Rik F

quick shipping good price, overall very satisfied.

2000 Buick Regal Muffler

Very Satisfied
Reviewer: backbeatsteve

Product was shipped and arrived a day earlier than tracking information stated. Can is slightly smaller in circumference than OEM (which was helpful in my case since I have a square receiver that was encroaching on the space of the original). Car is now more quiet than ever since I've owned it! Great product!

2000 Buick Regal Muffler


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