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  • aFe MagnumFLOW Air Filters Round Racing P5R A/F Chrome Assy 14x6: Blk/Blue E/M - 18-21404
aFe MagnumFLOW Air Filters Round Racing P5R A/F Chrome Assy 14x6: Blk/Blue E/M - 18-21404
aFe MagnumFLOW Air Filters Round Racing P5R A/F Chrome Assy 14x6: Blk/Blue E/M - 18-21404
aFe MagnumFLOW Air Filters Round Racing P5R A/F Chrome Assy 14x6: Blk/Blue E/M - 18-21404
aFe MagnumFLOW Air Filters Round Racing P5R A/F Chrome Assy 14x6: Blk/Blue E/M - 18-21404
aFe MagnumFLOW Air Filters Round Racing P5R A/F Chrome Assy 14x6: Blk/Blue E/M - 18-21404
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aFe MagnumFLOW Air Filters Round Racing P5R A/F Chrome Assy 14x6: Blk/Blue E/M - 18-21404

Air Filters Air Filters - Universal Fit
aFe
afe18-21404
Special order
September 6, 2026
Not CARB compliant. Not legal for sale or use in California on emissions-controlled vehicles.
$185.00
Constructed with 100-percent polyurethane on top and bottom, this high flow, oiled performance filter will outflow stock paper filter for improved horsepower and torque. Five layers of progressively finer mesh cotton gauze media provide maximum airflow for best performance results. Washable and reusable for multiple cleaning cycles, the tall open evenly spaced pleats provide excellent dust holding capacity for longer service cycle between cleanings. Integrated urethane bump seal insures tight, no leak seal over the life of the filter. Features & Benefits Tall Open Evenly Spaced Pleats Provide Exc. Dust Holding Capacity Will Outflow Stock Paper Filter For Improved HP and Torque 5 Layers Of Progressively Finer Mesh Cotton Gauze Media Insures Tight No Leak Seal Over The Life Of The Filter Washable And Reusable For Multiple Cleaning Cycles 100% Polyurethane Top And Base Integrated Urethane Bump Seal
aFe MagnumFLOW Air Filters Round Racing P5R A/F TOP Racer 14D x 4H (Blk/Blue) - 18-31404
aFe MagnumFLOW Air Filters Round Racing P5R A/F TOP Racer 14D x 4H (Blk/Blue) - 18-31404
$160.00
aFe MagnumFLOW Air Filters Round Racing PG7 A/F RR PG7 17.13 OD x 14.50 ID x 4 HT - 18-11772
aFe MagnumFLOW Air Filters Round Racing PG7 A/F RR PG7 17.13 OD x 14.50 ID x 4 HT - 18-11772
$112.00
aFe MagnumFLOW Air Filters Round Racing P5R A/F Chrome Assy 14x6: Blk/Blue E/M - 18-21404
SKU: afe18-21404
Product Details

Everything You Need To Know

Review product information, shipping and returns, and price-match details before you order.

Product Info

Constructed with 100-percent polyurethane on top and bottom, this high flow, oiled performance filter will outflow stock paper filter for improved horsepower and torque. Five layers of progressively finer mesh cotton gauze media provide maximum airflow for best performance results. Washable and reusable for multiple cleaning cycles, the tall open evenly spaced pleats provide excellent dust holding capacity for longer service cycle between cleanings. Integrated urethane bump seal insures tight, no leak seal over the life of the filter.

Features & Benefits

  • Tall Open Evenly Spaced Pleats Provide Exc. Dust Holding Capacity
  • Will Outflow Stock Paper Filter For Improved HP and Torque
  • 5 Layers Of Progressively Finer Mesh Cotton Gauze Media
  • Insures Tight No Leak Seal Over The Life Of The Filter
  • Washable And Reusable For Multiple Cleaning Cycles
  • 100% Polyurethane Top And Base
  • Integrated Urethane Bump Seal
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In Stock Items:
In stock items typically ship within 1-3 business days. Most items arrive within 2 business days, but there are situations where it may take up to 5 business days.

Special Order Items:
Special order and out of stock items are product-specific and lead times can vary. Please e-mail us if you are looking for an ETA / Lead Time on a specific product. Special order orders are subject to cancellation if the vendor cannot provide any ETA.

Returns Policy

To start the return process, please e-mail sales@allianceracing.com

Include the following:
Subject "Return for Order#"
Order Number
Part Number
Reason

Returns are eligible for up to 14 days from delivery of items. Accepted refunds can take up to 7-10 business days to process. All refunds are subject to a 25% restocking fee, if opened. Customer may be responsible for return shipping. If 14 days have gone by since your item was delivered, unfortunately we can’t guarantee you a refund or exchange. We reserve the right to deny any return request, based on provided information.

Alliance Racing is not responsible for ensuring part fitment. It is the responsibility of the purchaser to ensure the parts being ordered are the correct fitment for the vehicle intended. Alliance Racing will not accept any returns for incorrect fitment after product is opened.

To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

Shipping

To return your product, mail your product to:
Alliance Racing LLC
8810 Twin Lakes Blvd
Tampa, FL 33614

In many cases, you will be responsible for shipping costs to return your item. Shipping costs are non-refundable. If you receive a refund, the cost of shipping will be deducted from your refund.

Depending on your location, the time it may take for your exchanged product to reach you may vary.

If you are shipping an item over $100, you should consider using a trackable shipping service and/or purchasing Shipping Insurance.

To initiate a price match, please e-mail sales@allianceracing.com with the product information (SKU, URL, & Part Name) and a link to the competitors product page for us to validate the price match eligibility.

Please note that there are cases when we cannot offer a price match, but we will do everything in our power to try to match it. Some manufacturers have Pricing Policies that we have to adhere to.

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