MagnaFlow Muffler Mag SS 11X4X9 2.5 O/O

Marsoni

M251S

$130.00

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

MagnaFlow Muffler Mag SS 11X4X9 2.5 O/OThe MagnaFlow 4" X 9" Oval Straight Through 11376 is engineered to enhance your ride with a healthy helping of our signature exhaust sound and dyno proven performance thanks to its free flowing straight through perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill. The reversible, universal 2. 5 2. 5in. diameter inlet outlet Straight Through layout allows you to install it in whatever orientation and configuration you

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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