MagnaFlow Exhaust, Mufflers & Cat Converters - Quality

MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter 21-539

MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter - Main image
$406.8 $678 In stock

Category: Catalytic Converter

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-539. 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 21-539 includes (1) Nut and interchanges with OE parts 4578 358AA, 4581 752AB, 4581 752AC, 4581 752AD. 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 (4.6 / 5 · 5 reviews)

Michael X. ★★★★★

Bolted this one in yesterday and my car’s exhaust tone is actually deeper now—really happy with how well it fits the factory hangers. The corrosion resistance alone sold me, since we get heavy road salt here every winter.

Ava ★★★★★

The mandrel-bent tubing is a huge plus—it flows better than the old crushed pipe I had. Bolted up without any hassle and the check engine light stayed off, so I'm finally legal again.

Evelyn L. ★★★★★

The mandrel-bent tubing made installation on my Silverado 1500 straightforward, and the fit was spot-on. Engine light stayed off and exhaust note is clean—exactly what I needed.