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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19
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Description
Fit BF StemThe legendary BF stem is back! At just over 28MM tall its in the middle of our Aitken and High Top stems. With two lengths to choose from and a classic look that doesnt sacrifice strength with any unnecessary machining. Made in USA. SPECS > Reach 48mm, 51mm Rise 28. 66mm (upright), 2. 84mm (inverted) Material 6061 T6 Aluminum Weight 9. 9 oz (280 g), 11. 1 oz (315 g)
The legendary BF stem is back! At just over 28MM tall it’s in the middle of our Aitken and High-Top stems. With two lengths to choose from and a classic look that doesn’t sacrifice strength with any unnecessary machining. Made in USA.
SPECS >
| Reach | 48mm, 51mm |
| Rise | 28.66mm (upright), 2.84mm (inverted) |
| Material | 6061-T6 Aluminum |
| Weight | 9.9 oz (280 g), 11.1 oz (315 g) |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.1 ★★★★★
Based on 1202 reviews
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Product Reviews
★★★★★ 5
It fits 09 ram, works great!
Style: CA9401
Works great on my 09 ram
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 28, 2025
★★★★★ 5
Quality filter at a great price.
Style: CA9401
Great filter, very similar to K&N at a way cheaper price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 14, 2026
★★★★★ 3
Fit perfectly, but questionably thin.
Style: CA11053A
This was an exact fit for my 2017 Kia Forte S. My only convern is that it is half the width of the stock filters. Hopefully the different material will make the difference over time. Didn't notice a loss or gain of torque or acceleration after swapping for my old dirty filter.
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Reviewed in the United States on June 15, 2025
★★★★★ 5
Increased MPG!
Style: 33-3131
I don't know if it increases power, but it for sure has an increase of 1-2 MPG. About the same MPG increase as a K&N, but half the price.
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Reviewed in the United States on May 4, 2026
★★★★★ 4
Time will tell
Style: CA11053A
As another reviewer pointed out, the OEM paper filter is almost 3 times thicker than this one. All things equal, thicker would mean for filtering surface area. So with less filter media surface area, the filter would clog up quicker. However, since this is washable, maybe that's a moot point. I also noticed on my Hyundai Tucson, the rim of this filter must be slighter thicker because I had a tougher time clipping the filter box closed with this one installed. I am keeping my OEM for now, just in case.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 6, 2025
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