Final Day! $20 Off $250 / $40 Off $500 / $80 Off $1000 - Use Promo Code: CYBER

Final Day! $20 Off $250 / $40 Off $500 /
$80 Off $1000 - Use Promo Code: CYBER

Summit Racing SpeedCard - learn how to get 15% back - Get Details!

Filters

Selected Filters

Filter Results by Vehicle

Loading...

Availability

Dorman

BUICK Dorman Exhaust

Individual Parts
Part Groups

Results 1 - 12 of 12

Dorman Direct-Fit Catalytic Converters 674-068

Dorman Direct-Fit Catalytic Converters 674-068

Dorman Direct-Fit Catalytic Converters 674-068

Catalytic Converter with Integrated Exhaust Manifold, Manifold Converter - Not Carb Compliant - Not For Sale -

Part Number: RNB-674-068

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Dorman Exhaust Manifolds for 2011-2013 REGAL, 2013-2016 VERANO - 674-902

Dorman Exhaust Manifolds for 2011-2013 REGAL, 2013-2016 VERANO - 674-902

Dorman Exhaust Manifolds for 2011-2013 REGAL, 2013-2016 VERANO - 674-902

Exhaust Manifold, OEM Replacement, Cast Iron, Buick, Each

Part Number: RNB-674-902

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Dorman Direct-Fit Catalytic Converters for 2016-2018 ENVISION, 2013-2015 MALIBU, 2014-2017 REGAL - 679-531

Dorman Direct-Fit Catalytic Converters for 2016-2018 ENVISION, 2013-2015 MALIBU, 2014-2017 REGAL - 679-531

Dorman Direct-Fit Catalytic Converters for 2016-2018 ENVISION, 2013-2015 MALIBU, 2014-2017 REGAL - 679-531

Catalytic Converter, Pre-Converter - Not CARB Compliant

Part Number: RNB-679-531

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Dorman Direct-Fit Catalytic Converters for 2010-2011 LACROSSE - 679-542

Dorman Direct-Fit Catalytic Converters for 2010-2011 LACROSSE - 679-542

Dorman Direct-Fit Catalytic Converters for 2010-2011 LACROSSE - 679-542

Preconverter

Part Number: RNB-679-542

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Dorman Direct-Fit Catalytic Converters for 2010-2011 LACROSSE - 679-543

Dorman Direct-Fit Catalytic Converters for 2010-2011 LACROSSE - 679-543

Dorman Direct-Fit Catalytic Converters for 2010-2011 LACROSSE - 679-543

Preconverter

Part Number: RNB-679-543

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Dorman Exhaust Manifolds 674-154

Dorman Exhaust Manifolds 674-154

Dorman Exhaust Manifolds 674-154

Exhaust Manifold Kit

Part Number: RNB-674-154

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Dorman Direct-Fit Catalytic Converters 674-067

Dorman Direct-Fit Catalytic Converters 674-067

Dorman Direct-Fit Catalytic Converters 674-067

Catalytic Converter with Integrated Exhaust Manifold, Manifold Converter - Not Carb Compliant - Not For Sale -

Part Number: RNB-674-067

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters for 2010-2016 LACROSSE - 674-484

Dorman Direct-Fit Manifold Catalytic Converters for 2010-2016 LACROSSE - 674-484

Dorman Direct-Fit Manifold Catalytic Converters for 2010-2016 LACROSSE - 674-484

Catalytic Converter with Integrated Exhaust Manifold, Manifold Preconverter

Part Number: RNB-674-484

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Dorman Direct-Fit Catalytic Converters for 2010-2016 LACROSSE - 674-045

Dorman Direct-Fit Catalytic Converters for 2010-2016 LACROSSE - 674-045

Dorman Direct-Fit Catalytic Converters for 2010-2016 LACROSSE - 674-045

Catalytic Converter with Integrated Exhaust Manifold, Manifold Converter - Not Carb Compliant - Not For Sale -

Part Number: RNB-674-045

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters for 2016-2019 CRUZE, ENCORE - 674-051

Dorman Direct-Fit Manifold Catalytic Converters for 2016-2019 CRUZE, ENCORE - 674-051

Dorman Direct-Fit Manifold Catalytic Converters for 2016-2019 CRUZE, ENCORE - 674-051

Catalytic Converter, Direct-Fit, Stock Flange, Stainless Steel, Buick, Chevy, Front, Each

Part Number: RNB-674-051

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Dorman Direct-Fit Catalytic Converters for 2011 9-5, 2011-2013 REGAL - 674-063

Dorman Direct-Fit Catalytic Converters for 2011 9-5, 2011-2013 REGAL - 674-063

Dorman Direct-Fit Catalytic Converters for 2011 9-5, 2011-2013 REGAL - 674-063

Catalytic Converter, Catalytic Converter - Not Carb Compliant - Not For Sale - NY - CA - ME

Part Number: RNB-674-063

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters 673-854

Dorman Direct-Fit Manifold Catalytic Converters 673-854

Dorman Direct-Fit Manifold Catalytic Converters 673-854

Manifold Converter - CARB Compliant

Part Number: RNB-673-854

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

  • 1
  • Page 1 of 1

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.

Summit Racing Speedcard. Synchrony Car Care.

Summit Racing Equipment SpeedCard

Jumpstart Your Next Project!

View Details|See if you Prequalify