Walker Exhaust Pipe Flange Gasket, 31537
In stock
$5.49
Listed as compatible with this vehicle by the retailer feed.
Check price2011 Buick Regal Exhaust Systems
20 products listed as compatible with this vehicle by the retailer feed.
Back to 2011 Buick Regal parts
Felpro Exhaust Pipe Flange Gasket, 61703
In stock
$7.49
Listed as compatible with this vehicle by the retailer feed.
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Walker Exhaust Pipe Flange Gasket, 31589
In stock
$9.39
Listed as compatible with this vehicle by the retailer feed.
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Walker Exhaust Pipe Flange Gasket, 31602
In stock
$9.89
Listed as compatible with this vehicle by the retailer feed.
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Victor Reinz Exhaust Manifold Gasket Set, 71-39351-00
In stock
$10.49
Listed as compatible with this vehicle by the retailer feed.
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Victor Reinz Exhaust Pipe Flange Gasket, 71-13617-00
In stock
$10.79
Listed as compatible with this vehicle by the retailer feed.
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Felpro Exhaust Manifold Gasket Set, MS 97122
In stock
$11.99
Listed as compatible with this vehicle by the retailer feed.
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Felpro Exhaust Pipe Flange Gasket, 61054
In stock
$17.99
Listed as compatible with this vehicle by the retailer feed.
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Dorman Direct Fit Exhaust Manifold: without Heat Shield, 674-937
In stock
$118.99
Listed as compatible with this vehicle by the retailer feed.
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Walker CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID), 84206
In stock
$279.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Ultra EPA Direct Fit Catalytic Converter, 54981
In stock
$418.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Quiet-Flow Direct Fit Exhaust Muffler 2" Inlet (ID) 2.25" Outlet (OD), 21859
In stock
$438.99
Listed as compatible with this vehicle by the retailer feed.
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Walker Quiet-Flow Direct Fit Exhaust Muffler 2" Inlet (ID) 2.25" Outlet (OD), 21834
In stock
$454.99
Listed as compatible with this vehicle by the retailer feed.
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Walker CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID), 84205
In stock
$465.99
Listed as compatible with this vehicle by the retailer feed.
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Dorman Direct Fit Exhaust Manifold: without Heat Shield, 674-902
In stock
$506.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 21-177
In stock
$693.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 51703
In stock
$733.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 52909
In stock
$749.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter, 551909
In stock
$895.99
Listed as compatible with this vehicle by the retailer feed.
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MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter, 5671177
In stock
$1,060.00
Listed as compatible with this vehicle by the retailer feed.
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This site contains affiliate links. We may earn a commission if you buy through them. We do not sell these products or guarantee merchant inventory. Compatibility is listed by the retailer feed for this vehicle; it is not an OEM confirmation. Catalog snapshot: Aug 15, 2026.