We ship from multiple warehouses across the country, so you get your part as soon as possible.
Free, one year (or more), unlimited mileage warranty. Covers everything; parts and shipping costs
We have reviewed over 1,000,000 fitments to guarantee an exact fit for your vehicle.
Return for any reason within 60 days for a full refund
Experts in auto parts since 1989-We are rated 4.9/5 by over 400,000 of our customers.

MagnaFlow Exhaust Products New Catalytic Converter EPA Approved
(Catalytic Converter EPA Approved - New MagnaFlow EPA Approved Direct Fit Exhaust Manifold w/ Integrated OEM Grade Catalytic Converter)


Interchange Part Numbers
This is a New MagnaFlow Exhaust Products Catalytic Converter EPA Approved (Note: New MagnaFlow EPA Approved Direct Fit Exhaust Manifold w/ Integrated OEM Grade Catalytic Converter). SKU number 45-44170 Z5
MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51130 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 2006-2009 Cadillac STS. 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.
Substrate Material - Ceramic; Sensor Port Count - 1; Converter Tube Material - Stainless Steel; Heat Shield Attached - Yes; Type - Direct-Fit; Finish - Stainless Steel; Type - One-Piece; Grade Type - Regular; Overall Length - 27.5; Inlet Mounting Hardware Included - Yes; Clamps Included - No; Converter Body Material - Stainless Steel; Inlet Gasket Included - No; Inlet Type - Flanged; Outlet Gasket Included - Yes; Converter Body Length - 9; Outlet Type - Flanged; Heat Shield Material - Aluminized Steel; Outlet Mounting Hardware Included - No
Specification | Description |
Part Type | Catalytic Converter EPA Approved |
SKU | 45-44170 Z5 |
Brand | MagnaFlow Exhaust Products |
Series | Manifold w/ Integrated Catalytic Converter OEM GRADE Federal |
Part Number | 51130 |
Type | New MagnaFlow EPA Approved Direct Fit Exhaust Manifold w/ Integrated OEM Grade Catalytic Converter |
Condition | New |
Fit Type | EXACT |
Warranty | FREE 1 Year Unlimited Mileage Warranty
![]() |
Additional warranty options available.* View Options
1 Year
Unlimited Mileage Warranty
FREE
5 Year Extended Unlimited Mileage Warranty
$130.50
Lifetime Unlimited Mileage Warranty
$217.50
|
|
Weight | 14 Pounds |
Box Dimensions |
Height: 6.00" Length: 42.13" Width: 11.75" |
UPC | 841380065452 |
PRODUCT VIDEOS
2007 Cadillac STS 4.4L - Left
2008 Cadillac STS 4.4L - Left
2009 Cadillac STS 4.4L - Left
Click Here for Full List