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Buick Rainier Round Mufflers 

Our Buick Rainier round mufflers are the sporty choice when you need to upgrade your engine's sound or restore performance. Even a stock engine can benefit from a new Buick Rainier round muffler, but if you want to add some ponies, you may want to consider a performance Buick Rainier round muffler.


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Shop Buick Rainier Round Mufflers by Year

Shop Buick Rainier Round Mufflers by Brand


1 - 12 of 63
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Length: 12"
Inlet Diameter: 4"
Outlet Diameter: 4"
Style: Round
Finish: Stainless Steel
Retail: $284.70
$182.21


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Length: 12"
Inlet Diameter: 3.5"
Outlet Diameter: 3.5"
Style: Round
Finish: Stainless Steel
Retail: $269.31
$172.36


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Inlet Diameter: 2.25"
Outlet Diameter: 4.5" - 3"
Style: Round
Finish: Stainless Steel
Retail: $230.59
$196.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $211.76
$180.00


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Outlet Diameter: 4"
Inlet Diameter: 2.25"
Style: Round
Retail: $225.88
$192.00


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Outlet Diameter: 4"
Inlet Diameter: 2.25"
Style: Round
Retail: $292.71
$187.33


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $369.78
$236.66


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Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $389.22
$249.10


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Outlet Diameter: 4"
Inlet Diameter: 2.25"
Style: Round
Retail: $288.28
$184.50


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Outlet Diameter: 4"
Inlet Diameter: 2.25"
Style: Round
Retail: $283.47
$181.42


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Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $308.40
$197.38


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Inlet Diameter: 3"
Outlet Diameter: 3"
Style: Round
Finish: Stainless Steel
Retail: $244.86
$156.71


Free Shipping!


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When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.

Not able to find what you are looking for?

New Muffler Exhaust System MADE IN USA Trailblazer Rainier Bravada Envoy 113" WB

18915 Walker Muffler for Chevy Olds GMC Envoy XUV Chevrolet Trailblazer Rainier

For Chevy Trailblazer 02-09 Exhaust Muffler AP Exhaust MSL Maximum Aluminized

Exhaust Muffler Fits: 2004 2005 Buick Rainier 4.2L L6 GAS DOHC

2006-2009 Chevy Trailblazer GMC Envoy Muffler 4.2L ONLY OEM 25887919

Exhaust Muffler Fits: 2004 2005 Buick Rainier 4.2L L6 GAS DOHC





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Buick Rainier Round Mufflers 

Our Buick Rainier round mufflers are the sporty choice when you need to upgrade your engine's sound or restore performance. Even a stock engine can benefit from a new Buick Rainier round muffler, but if you want to add some ponies, you may want to consider a performance Buick Rainier round muffler.


Choose Your Vehicle:

Shop Buick Rainier Round Mufflers by Year

Shop Buick Rainier Round Mufflers by Brand

1 - 12 of 63
Sort by:




Length: 12"
Inlet Diameter: 4"
Outlet Diameter: 4"
Style: Round
Finish: Stainless Steel
Retail: $284.70
$182.21


Free Shipping!


Length: 12"
Inlet Diameter: 3.5"
Outlet Diameter: 3.5"
Style: Round
Finish: Stainless Steel
Retail: $269.31
$172.36


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4.5" - 3"
Style: Round
Finish: Stainless Steel
Retail: $230.59
$196.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $211.76
$180.00


Free Shipping!


Outlet Diameter: 4"
Inlet Diameter: 2.25"
Style: Round
Retail: $225.88
$192.00


Free Shipping!


Outlet Diameter: 4"
Inlet Diameter: 2.25"
Style: Round
Retail: $292.71
$187.33


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $369.78
$236.66


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $389.22
$249.10


Free Shipping!


Outlet Diameter: 4"
Inlet Diameter: 2.25"
Style: Round
Retail: $288.28
$184.50


Free Shipping!


Outlet Diameter: 4"
Inlet Diameter: 2.25"
Style: Round
Retail: $283.47
$181.42


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $308.40
$197.38


Free Shipping!


Inlet Diameter: 3"
Outlet Diameter: 3"
Style: Round
Finish: Stainless Steel
Retail: $244.86
$156.71


Free Shipping!


Previous123456Next

When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.

Not able to find what you are looking for?

New Muffler Exhaust System MADE IN USA Trailblazer Rainier Bravada Envoy 113" WB

18915 Walker Muffler for Chevy Olds GMC Envoy XUV Chevrolet Trailblazer Rainier

For Chevy Trailblazer 02-09 Exhaust Muffler AP Exhaust MSL Maximum Aluminized

Exhaust Muffler Fits: 2004 2005 Buick Rainier 4.2L L6 GAS DOHC

2006-2009 Chevy Trailblazer GMC Envoy Muffler 4.2L ONLY OEM 25887919

Exhaust Muffler Fits: 2004 2005 Buick Rainier 4.2L L6 GAS DOHC