Mufflers for 2015 Buick Regal
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![84302 - Exhaust: CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID) for Walker Exhaust Image](http://cdn-product-images.revolutionparts.io/assets/d62618d6ed22c84800faf472df0d057f.webp "84302 - Exhaust: CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID) for Walker Exhaust")
CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID)
Walker Exhaust
84302
Designed, tested and validated for assured compliance to meet CARB standards, Walker® CalCat® Universal Catalytic Converters are...
Positions: Front
Fits Your Vehicle
![84205 - Exhaust: CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID) for Walker Exhaust Image](http://cdn-product-images.revolutionparts.io/assets/42d908e5a60c40e33bb98279126d5529.webp "84205 - Exhaust: CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID) for Walker Exhaust")
CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID)
Walker Exhaust
84205
Designed, tested and validated for assured compliance to meet CARB standards, Walker® CalCat® Universal Catalytic Converters are...
Positions: Rear
$170.98
Fits Your Vehicle
![84206 - Exhaust: CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID) for Walker Exhaust Image](http://cdn-product-images.revolutionparts.io/assets/5d25e6dc00af408b4d4df487e9ec08e7.webp "84206 - Exhaust: CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID) for Walker Exhaust")
CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID)
Walker Exhaust
84206
Designed, tested and validated for assured compliance to meet CARB standards, Walker® CalCat® Universal Catalytic Converters are...
Positions: Rear
$171.09
Fits Your Vehicle
![16776 - Exhaust: Ultra EPA Direct Fit Catalytic Converter 2.39" Outlet (OD) for Walker Exhaust Image](http://cdn-product-images.revolutionparts.io/assets/6ba931391527627bffc5602cbd85ec43.webp "16776 - Exhaust: Ultra EPA Direct Fit Catalytic Converter 2.39" Outlet (OD) for Walker Exhaust")
Ultra EPA Direct Fit Catalytic Converter 2.39" Outlet (OD)
Walker Exhaust
16776
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker® Ultra® Direct-Fit Catalytic...
Positions: Front
$305.48
Fits Your Vehicle
CalCat CARB Direct Fit Catalytic Converter
Walker Exhaust
84355
Designed, tested and validated for assured compliance to meet CARB standards, Walker® CalCat® Direct-Fit Catalytic Converters are...
Positions: Front
Fits Your Vehicle
![21834 - : Quiet-Flow Direct Fit Exhaust Muffler 2" Inlet (ID) 2.25" Outlet (OD) for Walker Exhaust Image](http://cdn-product-images.revolutionparts.io/assets/dd9cda399d7ee9053f25a732f06039cc.webp "21834 - : Quiet-Flow Direct Fit Exhaust Muffler 2" Inlet (ID) 2.25" Outlet (OD) for Walker Exhaust")
Quiet-Flow Direct Fit Exhaust Muffler 2" Inlet (ID) 2.25" Outlet (OD)
Walker Exhaust
21834
Designed to deliver superior flow and OE-style sound, Walker® Quiet-Flow® mufflers are available for top-selling domestic and foreign...
$279.96
![21859 - : Quiet-Flow Direct Fit Exhaust Muffler 2" Inlet (ID) 2.25" Outlet (OD) for Walker Exhaust Image](http://cdn-product-images.revolutionparts.io/assets/9292e8dc5283eeab2dba354092177ab4.webp "21859 - : Quiet-Flow Direct Fit Exhaust Muffler 2" Inlet (ID) 2.25" Outlet (OD) for Walker Exhaust")
Quiet-Flow Direct Fit Exhaust Muffler 2" Inlet (ID) 2.25" Outlet (OD)
Walker Exhaust
21859
Designed to deliver superior flow and OE-style sound, Walker® Quiet-Flow® mufflers are available for top-selling domestic and foreign...
$278.06
Ultra EPA Direct Fit Catalytic Converter
Walker Exhaust
54981
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker® Ultra® Direct-Fit Catalytic...
Positions: Rear
$296.25
Fits Your Vehicle
![21222 - : Direct Fit Exhaust Resonator and Pipe Assembly 2.25" Outlet (ID) for Walker Exhaust Image](http://cdn-product-images.revolutionparts.io/assets/4ef643a263de4e8c02d282d74a340b48.webp "21222 - : Direct Fit Exhaust Resonator and Pipe Assembly 2.25" Outlet (ID) for Walker Exhaust")
Direct Fit Exhaust Resonator and Pipe Assembly 2.25" Outlet (ID)
Walker Exhaust
21222
Designed to fit, perform and sound like the original system, Walker® resonators use precise tuning technologies to deliver excellent flow...
$75.63
Federal / EPA Catalytic Converter - Direct Fit
AP Exhaust
644092
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency while our latest...
Positions: Front
Fits Your Vehicle
Federal / EPA Catalytic Converter - Universal OBDII Select+Plus Tech Series
AP Exhaust
608706
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency while our latest...
Positions: Rear
$151.82
Fits Your Vehicle
Federal / EPA Catalytic Converter - Universal OBDII Enhanced
AP Exhaust
608266
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency while our latest...
Positions: Rear
$103.75
Fits Your Vehicle
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