MagnaFlow Conv Direct Fit 11-16 Chevrolet Silverado 2500HD/3500HD / GMC Sierra 2500HD/3500HD

MagnaFlow Conv Direct Fit 11-16 Chevrolet Silverado 2500HD/3500HD / GMC Sierra 2500HD/3500HD

Marsoni

M251S

$505.00

Get it in 3 business days with 1 day shipping. Friday, May 29

MagnaFlow Conv Direct Fit 11-16 Chevrolet Silverado 2500HD/3500HD / GMC Sierra 2500HD/3500HDMagnaFlow OEM Grade Federal EPA Compliant Direct Fit Catalytic Converter 21 252 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

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Your MagnaFlow Conv Direct Fit 11-16 Chevrolet Silverado 2500HD/3500HD / GMC Sierra 2500HD/3500HD orders ship within 1-2 business days.

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Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 business days

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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This kit had every single piece needed for my Alpha water pump - and many I didn't need. I guess it fits basically all the different versions out there. I remember when the single kits cost more and had much less. This is a good high-quality alternative. Stock up on them now - you'll need one eventually.

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Reviewed in the United States on July 28, 2025

Verified Purchase

Austin Williams

Alexandria, US

★★★★★ 5

Great bang for your buck!

Swapped out my old impeller and this helped fix my overheating issue. Super high quality, fit like a glove. If you know what you’re doing it’ll take you an hour tops. Super solid for the price! Fit into my 1990 alpha one gen 1 outdrive on my 4.3 Mercruiser.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on June 22, 2025