Buick Mufflers

2012 Buick LR4 is a wonderful vehicle from the factory. The parts you will find in our catalog will help you bring the best out of your LR4. We have 867 Mufflers available for your 2012 LR4 all priced at lowest possible price backed by FREE SHIPPING. 

We price match competitors ... Shop with confidence. 


Showing of 867 Products
Sort By

Magnaflow 6" Round Center/Center Street Performance Muffler w/ Tip (2.25" Inlet, 18.25" Length)
Magnaflow 6" Round Center/Center Street Performance Muffler w/ Tip (2.25" Inlet, 18.25" Length)
Universal Part | Part #: 14811

Complete your custom exhaust with a straight-through design muffler with an integrated welded tip for a finished look and simple installation.

Highlights: Polished; 6"; 14"; Stainless Steel; 6"; 4.25"; Polished; 1.25"; Stainless Steel; 1; Round; Welded-On;Single Wall;Straight Cut;Rolled Edge; 2.25"; 1; Center; Straight-Through; 1; Center; 18.25"; Round
Price: $171.95
Free Shipping
aFe MACH Force-Xp 409 Stainless Steel Muffler
aFe MACH Force-Xp 409 Stainless Steel Muffler
Universal Part | Part #: 49M00033

MACH Force-Xp 409 Stainless Steel Muffler 2-1/2 IN ID Offset/Dual x 18 IN L x 8 IN W x 5 IN H - Oval Body

Highlights: 409 Stainless Steel; 18"; Oval; 1; 2 Years Manufacturer Warranty
Price: $177.45
Free Shipping
Borla ProXS Series Center/Offset Muffler (2" Tubing, 19" Length)
Borla ProXS Series Center/Offset Muffler (2" Tubing, 19" Length)
Universal Part | Part #: 400476
Highlights: 4"; 14"; 9.5"; All Welded; Pipe; Offset; Single Offset; 2"; T-304 Stainless Steel; Yes; No; 2"; Center; Single Diagonal Offset Outlet; 18"; Oval
Price: $141.95
Free Shipping
Magnaflow 6" Round Offset/Offset XL Performance Muffler (2" Inlet, 24" Length)
Magnaflow 6" Round Offset/Offset XL Performance Muffler (2" Inlet, 24" Length)
Universal Part | Part #: 13650

XL Mufflers are reflection style mufflers using a combination of perforated tubing and baffles to reduce unwanted resonance and increase exhaust flow.

Highlights: Satin; 6"; 18"; Stainless Steel; 6"; 2"; 1; Offset; Multi-Chamber; 2"; 1; Offset; 24"; Round
Price: $89.95
Free Shipping
Borla XR-1 Series Multi-Core Center/Center Oval Muffler (4" Diameter, 28" Length)
Borla XR-1 Series Multi-Core Center/Center Oval Muffler (4" Diameter, 28" Length)
Universal Part | Part #: 400069
Highlights: 8.5"; 23"; 5.5"; All Welded; Pipe; Center; Single Center; 4"; T-304 Stainless Steel; No; No; 4"; Center; Single Center Outlet; 28"; Oval
Price: $360.95
Free Shipping
Magnaflow 6" Round Center/Center Competition Core Performance Muffler (2.25" Inlet, 21" Length)
Magnaflow 6" Round Center/Center Competition Core Performance Muffler (2.25" Inlet, 21" Length)
Universal Part | Part #: 14840

Complete your custom exhaust with a straight-through design muffler with an integrated welded tip for a finished look and simple installation.

Highlights: Polished; 6"; 14"; Stainless Steel; 6"; 4"; Polished; 3.875"; Stainless Steel; 1; Round; Welded-On;Double Wall;Straight Cut;Folded Edge; 2.25"; 1; Center; Straight-Through; 1; Center; 21"; Round
Price: $176.95
Free Shipping
Magnaflow 6" Round Center/Center Street Performance Muffler w/ Tip (2.25" Inlet, 20.5" Length)
Magnaflow 6" Round Center/Center Street Performance Muffler w/ Tip (2.25" Inlet, 20.5" Length)
Universal Part | Part #: 14821

Complete your custom exhaust with a straight-through design muffler with an integrated welded tip for a finished look and simple installation.

Highlights: Polished; 6"; 14"; Stainless Steel; 6"; 4"; Polished; 3.25"; Stainless Steel; 1; Round; Welded-On;Single Wall;Angle Cut;Cut Edge; 2.25"; 1; Center; Straight-Through; 1; Center; 20.5"; Round
Price: $199.00
Free Shipping
Banks Power Stainless Steel Monster Exhaust Muffler Kit (3" Inlet, 3.5" Outlet)
Banks Power Stainless Steel Monster Exhaust Muffler Kit (3" Inlet, 3.5" Outlet)
Universal Part | Part #: 52407
Highlights: Aluminized; Stainless Steel; 3 Inch; 3.5 Inch
Price: $239.00
Free Shipping
Magnaflow 8" Oval Offset/Offset Straight-Through Performance Muffler (2.25" Inlet, 24" Length)
Magnaflow 8" Oval Offset/Offset Straight-Through Performance Muffler (2.25" Inlet, 24" Length)
Universal Part | Part #: 14262

Featuring a free-flowing, straight-through perforated stainless steel core, stainless mesh wraps our acoustic fiber fill to deliver a smooth, deep tone for your custom exhuast project

Highlights: Polished; 5"; 18"; Stainless Steel; 8"; 2.25"; 1; Offset; Straight-Through; 2.25"; 1; Offset; 24"; Oval
Price: $198.00
Free Shipping
Magnaflow 7" Round Center/Center Street Performance Muffler w/ Tip (2.25" Inlet, 22.875" Length)
Magnaflow 7" Round Center/Center Street Performance Muffler w/ Tip (2.25" Inlet, 22.875" Length)
Universal Part | Part #: 14824

Complete your custom exhaust with a straight-through design muffler with an integrated welded tip for a finished look and simple installation.

Highlights: Polished; 7"; 14"; Stainless Steel; 7"; 4"; Polished; 5.875"; Stainless Steel; 1; Round; Welded-On;Single Wall;Angle Cut;Cut Edge; 2.25"; 1; Center; Straight-Through; 1; Center; 22.875"; Round
Price: $190.95
Free Shipping
Magnaflow 7" Round Center/Center Street Performance Muffler w/ Tip (2.25" Inlet, 24.25" Length)
Magnaflow 7" Round Center/Center Street Performance Muffler w/ Tip (2.25" Inlet, 24.25" Length)
Universal Part | Part #: 14825

Complete your custom exhaust with a straight-through design muffler with an integrated welded tip for a finished look and simple installation.

Highlights: Polished; 7"; 14"; Stainless Steel; 7"; 4"; Polished; 6.875"; Stainless Steel; 1; Round; Welded-On;Double Wall;Straight Cut;Folded Edge; 2.25"; 1; Center; Straight-Through; 1; Center; 24.25"; Round
Price: $214.00
Free Shipping
Borla XR-1 Series Multi-Core Center/Center Round Muffler (3.5" Diameter, 29" Length)
Borla XR-1 Series Multi-Core Center/Center Round Muffler (3.5" Diameter, 29" Length)
Universal Part | Part #: 400261
Highlights: 6.25"; 24"; 6.25"; All Welded; Pipe; Center; Single Center; 3.5"; T-304 Stainless Steel; No; No; 3.5"; Center; Single Center Outlet; 29"; Round
Price: $373.99
Free Shipping
Borla ProXS Series Center/Center Muffler (2" Tubing, 19" Length)
Borla ProXS Series Center/Center Muffler (2" Tubing, 19" Length)
Universal Part | Part #: 400494
Highlights: 4"; 14"; 9.5"; All Welded; Pipe; Center; Single Center; 2"; T-304 Stainless Steel; Yes; No; 2"; Center; Single Center Outlet; 18"; Oval
Price: $142.95
Free Shipping
Magnaflow 11" Oval Offset/Offset Straight-Through Performance Muffler (3" Inlet, 28" Length)
Magnaflow 11" Oval Offset/Offset Straight-Through Performance Muffler (3" Inlet, 28" Length)
Universal Part | Part #: 14578

Featuring a free-flowing, straight-through perforated stainless steel core, stainless mesh wraps our acoustic fiber fill to deliver a smooth, deep tone for your custom exhuast project

Highlights: Polished; 5"; 22"; Stainless Steel; 11"; 3"; 1; Offset; Straight-Through; 3"; 1; Offset; 28"; Oval
Price: $167.98
Free Shipping
MBRP Mild Tone Stainless Steel Single Muffler
MBRP Mild Tone Stainless Steel Single Muffler
Universal Part | Part #: GP190809
Highlights: 409 Stainless Steel; 3"; 3"; 26"
Price: $169.99
Free Shipping
Borla XR-1 Series Standard Collector Center/Center Round Muffler (2.375" Inlets, 4.5" Outlet Diameter, 23" Length)
Borla XR-1 Series Standard Collector Center/Center Round Muffler (2.375" Inlets, 4.5" Outlet Diameter, 23" Length)
Universal Part | Part #: 40703
Highlights: 6.75"; 20.5"; 6.75"; All Welded; Pipe; Center; Single Center; 2.375"; T-304 Stainless Steel; No; No; 4.5"; Center; Single Center Outlet; 23"; Round
Price: $689.99
Free Shipping
Kooks 3" Oval Center/Offset Muffler 12" Long Body
Kooks 3" Oval Center/Offset Muffler 12" Long Body
Universal Part | Part #: MUF-018
Highlights: No; Race Car; Stainless Steel; No; Natural; Performance; 3"; Oval; 1; No; 3"; Universal; 12"; Stainless Steel; Single Center; Single Offset Outlet; 15.75"; 5.290 in.; 8.380 in.; Ctr; Center; Offset; Yes; No
Price: $334.95
Free Shipping
aFe MACH Force-Xp 409 Stainless Steel Muffler
aFe MACH Force-Xp 409 Stainless Steel Muffler
Universal Part | Part #: 49M00018

MACH Force-Xp 409 Stainless Steel Muffler 3 IN ID Center/2-1/2 Dual-Outlet x 18 IN L x 9 IN W x 4 IN H - Oval Body

Highlights: Natural; Stainless Steel; 4"; 18"; Stainless Steel; 9"; Clamp-On; 3"; Center; Single Center; 3"; 2.5"; Dual Outlet; Rectangular; 2 Years Manufacturer Warranty
Price: $159.60
Free Shipping
Showing 811 to 828 of 867 (49 Pages)
Showing 811 to 828 of 867 (49 Pages)
Visa Mastercard American Express Discover Paypal Google Pay Apple Pay