★★★★★ 5
Perfect fit
Fit my car perfectly and good quality filter.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 1, 2026
Injen SuperNano-Web Air Filter 4.0in Flange ID/ 6.0in Base / 6.30in Height / 4in Top
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Injen SuperNano-Web Air Filter 4.0in Flange ID/ 6.0in Base / 6.30in Height / 4in TopWith a rich history in racing and the street performance, Injen Technology has proven itself as a leader in filtration engineering and technology. Lab tested and race proven, Injen's air filter line features state of the art designs and performance. All SuperNano Web air filters feature a proprietary media that includes and high flow base media with a highly efficient Nano membrane applied on top. This allows our SuperNano Web media to flow the
Quick Dispatch:
Your Injen SuperNano-Web Air Filter 4.0in Flange ID/ 6.0in Base / 6.30in Height / 4in Top orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your Injen SuperNano-Web Air Filter 4.0in Flange ID/ 6.0in Base / 6.30in Height / 4in Top ships.
Need Help?
Questions about Injen SuperNano-Web Air Filter 4.0in Flange ID/ 6.0in Base / 6.30in Height / 4in Top, sizing, or delivery? We're just an email away.
Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for Injen SuperNano-Web Air Filter 4.0in Flange ID/ 6.0in Base / 6.30in Height / 4in Top in your area.
Get Shipping Estimates
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
You may also like
Injen High Performance Air Filter - 3.50 Black Filter 6 Base / 5 Tall / 5 Top
50.62
Injen AMSOIL Ea Nanofiber Dry Air Filter - 5 Filter 6 1/2 Base / 8 Tall / 5 1/2 Top
61.20
Injen AMSOIL Replacement Nanofiber Dry Air FIlter 5in Flange Diameter/6.5in Base/5in Height/70 Pleat
1292.29
Injen Nanofiber Dry Air Filter - 4in Flange Dia / 6 1/2in Base / 7in Tall / 5 3/8in Top
58.94
Mishimoto 99-06 BMW E46 Non-M Red Silicone Hose Kit
170.95
Injen High Performance Air Filter - 4.50 Black Filter 6.75 Base / 5 Tall / 5 Top
58.51
Injen Oiled Air Filter 4.0in Flange ID / 6.0in Base / 6.9in Media Height / 5.0in Top
80.95
4.5 ★★★★★
Based on 529 reviews
Sort
Product Reviews
★★★★★ 5
Satisfied with my purchase!
Well made, fit perfect and decent price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 1, 2025
★★★★★ 4
New
Looks great no issues with the product am happy with it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 3, 2025
★★★★★ 5
Convenient and economical
I can't believe that I've paid $60+ for years to have my filter replaced. The money that I've spent is mind blowing.
The replacement actually takes 2 minutes! Quality is amazing and it lasts just as long (maybe longer) the dealer's and repair shops version.
Helpful tip: Do it yourself for far less.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 17, 2024
★★★★★ 5
That it fits
Just as good as the factory and over half cheaper
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
