MBRP 01-04 Chev/GMC 6.6L Duramax 3in Turbo Down Pipe Black

MBRP 01-04 Chev/GMC 6.6L Duramax 3in Turbo Down Pipe Black

Marsoni

M251S

$133.87

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

MBRP 01-04 Chev/GMC 6.6L Duramax 3in Turbo Down Pipe BlackReplace that restrictive factory downpipe with a MBRP direct replacement downpipe for more flow, fuel economy, and better performance. Removal of OEM catalytic converters may be a violation of emissions laws in your jurisdiction. Ensure that the intended use of this product is permitted. Not for sale or use in the state of California. Technical Drawing Warranty Installation Instructions This Part Fits: Year Make Model Submodel 2001 2004 Chevrolet

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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This air filter set ended up being a great value and a convenient all-in-one solution for routine maintenance. What stood out right away is how closely these match OEM quality in terms of fit and overall design. Both the engine and cabin filters dropped into place without any issues, and installation was quick and straightforward. It’s the kind of swap that can be done in a short amount of time without needing any special tools, which is always a plus. I also really like that this kit includes both filters together. Since it’s generally best to replace them at the same time, having everything bundled eliminates the need to search for separate parts, compare options, or deal with multiple orders and shipping times. It makes the whole process much more efficient. In terms of performance, I did notice a slight improvement in fuel economy during my regular commute after installation. It’s not a dramatic change, but it’s a nice added benefit and a good indication that the filters are doing their job effectively. Overall build quality seems solid, and everything feels comparable to what you’d expect from a factory replacement. For the price, this is an excellent value and a practical choice for keeping up with regular vehicle maintenance. I’ve been very satisfied with this set so far and would definitely consider purchasing it again when it’s time for the next replacement.

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Reviewed in the United States on April 18, 2026