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Vehicle Info NeededMAGNAFLOWPART NUMBER: 642-51703
2011-2013 Buick Regal OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter
$73300
Ships on Sep 02, 2026
Lowest Price GuaranteeGM
- Direct Fit Catalytic Converter
- OEM Grade
- 49 State
Magnaflow 51703 Features:
MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51703 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. This direct-fit catalytic converter is designed specifically for the 2011-2013 Buick Regal. Hardware is included to eliminate the hassle of working with corroded factory parts. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.
Part TypeCatalytic Converter
BrandMAGNAFLOW
Package Height5.5
Package Width8.75
Package Length24.75
Weight10.0 PG
Part CategoryPerformance Parts
Universal Or Specific FitSpecific
Outlet Size2.5 in (63.5 mm)
Cat Converter Air Tube AdapterNot Air Tube Kit Adaptable
Converter Body SizeOEM
Oxygen Sensor LocationPre and Post Converter
Body SizeOEM
Outlet Quantity1
EmissionNon-California (49-State)
Overall Length21.2 in (538.5 mm)
Core Substrate MaterialOEM
MaterialStainless Steel
Catalytic Converter FormatPre-Catalytic Converter and Main Catalytic Converter
Inlet Size (In.)2.5
California Air Board ApprovedNo
Substrate MaterialOEM
Exhaust Pipe MaterialStainless Steel
Exhaust Component Mount TypeUses Factory Hangers
Recommended UseConverter
Part FitmentDirect Fit
Vendor Part Number51703
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
