★★★★★ 5
Great filter
Size: 7.5" x 8.7" x 1.4"
Fits perfectly in my vehicle. Installed it myself
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
Injen 2017+ Honda Civic Si 1.5L Polished Cold Air Intake
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Injen 2017+ Honda Civic Si 1.5L Polished Cold Air IntakeIs your engine choking for air and in need of some additional horsepower? If so, Injen has exciting news for you! The SP series of cold air intakes from Injen Technology will allow your engine to breathe deeper and enhance the performance that you've been craving. The SP series of cold air intakes is Injen's flagship system in their lines of traditional aluminum cold air intake systems. Injen Technology is the world's first tuned air intake system and
Quick Dispatch:
Your Injen 2017+ Honda Civic Si 1.5L Polished Cold Air Intake orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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You'll receive a tracking link by email once your Injen 2017+ Honda Civic Si 1.5L Polished Cold Air Intake ships.
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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.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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4.4 ★★★★★
Based on 329 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
