MagnaFlow Exhaust, Mufflers & Cat Converters - Quality

MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter 51585

MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter 51585 - Main image
$706.32 $981 In stock

Category: Catalytic Converter

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51585. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 51585 interchanges with OE parts 4578 448AB, 4578 448AC, 4578 448AD, 4578 650AA, 4578 650AB, 4578 650AC, 4581 740AA, 4581 740AB, 4581 740AC, 4581 748AB, 6803 9466AA, 6805 7164AD, 6805 7164AE, 6805 7164AF, 6805 7164AH. 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.

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 5 reviews)

John K. ★★★★★

Installed it this weekend and the mandrel-bent tubing lined up perfectly with the existing exhaust, no extra cutting needed. Fired right up and the check engine light has stayed off through about 50 miles of driving so far.

Jacob G. ★★★★★

The mandrel-bent tubing made installation straightforward, and my car passed emissions without a hitch. I've had no check engine light issues since swapping out the old converter.

Joshua ★★★★★

Bolted it on in the driveway and the fit was spot-on with no extra shims needed, and the mandrel-bent tubing makes the exhaust note sound a bit freer than the factory pipe. Corrosion resistance was a big selling point for me since I live near the coast, and so far it's holding up great after a few m