★★★★★ 5
Great filter
Size: 7.5" x 8.7" x 1.4"
Fits perfectly in my vehicle. Installed it myself
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Reviewed in the United States on April 25, 2026
Cold Air Intake | 6.6L | w/Pre-Filter | Chevy/GMC 2500HD/3500HD (17-19)
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Cold Air Intake | 6.6L | w/Pre-Filter | Chevy/GMC 2500HD/3500HD (17-19)Gain increased horsepower and throttle response while protecting your engine from harmful particles and debris with Rough Country's Cold Air Intake System. This intake system moves the air filter away from the stuffy engine compartment so cooler air can be circulated into the engine for an increase in power. Cooler air is denser, and brings more oxygen into the combustion chamber to help your vehicle perform at its greatest potential. The cylindrical
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Your Cold Air Intake | 6.6L | w/Pre-Filter | Chevy/GMC 2500HD/3500HD (17-19) orders ship within 1-2 business days.
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- Fast: 2-3 business days
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4.6 ★★★★★
Based on 2332 reviews
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Product Reviews
★★★★★ 5
Excellent filter
Size: 7.5" x 8.7" x 1.4"
Perfect fit, installed easily and quickly, airflow arrow was provided, and product was well-made with high-quality materials. Box had a hole, but the filter was in a sealed plastic bag and was undamaged.
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Reviewed in the United States on August 25, 2025
★★★★★ 5
Works as expected in polluted phoenix AZ
Size: 7.5" x 8.7" x 1.4"
these work great for me and the dealr charges $60 to replace one
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Reviewed in the United States on April 26, 2026
★★★★★ 4
Needs modification to fit Lexus TX 350
Size: 7.5" x 8.7" x 1.4"
Does not have a proper fit on a 2024 Lexus TX 350 without some minor modification. The filter casing has a guide that it's supposed fall into one of the pleats like a notch, however, notice this filter has the white strips which I guess are added structural support. I simply cut the 2 strips on the pleat the guide falls into. The filter will not fall apart by doing this. It's a minor inconvenience that can be easily corrected yourself or simply find another filter that does not have anything blocking the pleats the entire width of the filter.
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Reviewed in the United States on January 26, 2026
★★★★★ 5
Fits perfectly
Size: 7.5" x 8.7" x 1.4"
easy to install
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 3, 2025
