MagnaFlow Exhaust, Mufflers & Cat Converters - Quality

MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter 21-251

MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter - Main image
$514.84 $844 In stock

Category: Catalytic Converter

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-251. 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 21-251 interchanges with OE parts 6811 0125AB, 6811 0125AC, 6811 0125AD, 6811 0125AE. 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)

Joseph M. ★★★★★

The mandrel-bent tubing made for a clean, easy fit under my truck. Bolted right up to the factory hangers and I haven't seen the check engine light since.

Evelyn F. ★★★★★

Installation was straightforward on my 2000 Toyota, and the corrosion-resistant coating looks like it'll hold up well against winter salt. The check engine light stayed off after the swap, which was my main concern. Definitely worth the money for a direct-fit replacement.

Zoe Z. ★★★★★

The mandrel-bent tubing made fitting this on my truck surprisingly easy, and it’s been three months without any check engine light issues. The welds look clean and the whole thing feels solid compared to the rusty original.