High flow, reusable air filter. Used as a replacement filter to an ECS intake system or for your custom intake project. 4.5" Base OD / 6" Filter Height / 3.5" Top OD
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE
Brand:
ES#:
3697634
Mfg#:
003675ECS03-02
$58.99 USD
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Lifetime Replacement
Bolt on better performance and fuel efficiency.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
1876583
Mfg#:
E-2021
$68.99 USD
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Lifetime Replacement
High flow filter replacement to get your engine breathing better than new!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE
Brand:
ES#:
4461020
Mfg#:
012054LA24-DRY
$83.99 USD
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Lifetime Replacement
Replacement filter with 3.5" inlet, 6"base, 4.75" top, 6" height
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
518380
Mfg#:
21-35010
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$95.00
This product was last offered at the strikethrough price on 06-12-2026
$76.00 USD
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Lifetime Replacement
Replacement filter with 3.0"inlet, 5"base, 3.5"top, and 7"height
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
518459
Mfg#:
24-30003
21% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$77.99
This product was last offered at the strikethrough price on 05-27-2026
$62.00 USD
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Lifetime Replacement
Replacement filter with 4.5"inlet, 6"base, 4.75"top, and 5"height
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
518390
Mfg#:
21-45505
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$82.99
This product was last offered at the strikethrough price on 05-27-2026
$66.00 USD
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Lifetime Replacement
Replacement filter with 3.5"inlet, 6"base, 4"top, and 7"height
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
518479
Mfg#:
24-35007
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$98.75
This product was last offered at the strikethrough price on 06-12-2026
$79.00 USD
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Lifetime Replacement
OIl free dry synthetic media, allowing significant airflow over stock paper media
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
1844146
Mfg#:
31-10176
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$121.99
This product was last offered at the strikethrough price on 06-12-2026
$97.00 USD
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Lifetime Replacement
OIl free dry synthetic media, allowing significant airflow over stock paper media
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
518077
Mfg#:
31-10172
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$95.00
This product was last offered at the strikethrough price on 05-27-2026
$76.00 USD
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Lifetime Replacement
5 layers of cotton gauze filtration material allow maximum airflow
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
518076
Mfg#:
30-10172
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$88.99
This product was last offered at the strikethrough price on 05-27-2026
$71.00 USD
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Lifetime Replacement
Replacement filter with 3.0"inlet, 6"base, 4.75"top, and 6"height
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
518461
Mfg#:
24-30017
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$88.99
This product was last offered at the strikethrough price on 01-28-2026
$71.00 USD
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Lifetime Replacement
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Increases the filter’s surface area and is washable, compared to standard filters which trap dust on the surface.
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Brand:
ES#:
4499807
Mfg#:
RA552M700101
$88.99 USD
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on orders $49 and up
Lifetime Replacement
Replacement filter with 3"inlet, 6"base, 4.75"top, and 7"height
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
518375
Mfg#:
21-30018
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$106.25
This product was last offered at the strikethrough price on 06-12-2026
$85.00 USD
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Lifetime Replacement
Replacement filter with 3"inlet, 5"base, 3.5"top, and 7"height
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
518374
Mfg#:
21-30003
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$95.00
This product was last offered at the strikethrough price on 06-12-2026
$76.00 USD
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Lifetime Replacement
Drop in some power!!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
11878
Mfg#:
33-2384
$68.99 USD
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Lifetime Replacement
Replacement inverted filter with 3"inlet, 6"base, 4.75"top, and 5"height
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Brand:
ES#:
3020716
Mfg#:
TF-9025D
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$82.50
This product was last offered at the strikethrough price on 01-28-2026
$66.00 USD
Add to Cart
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on orders $49 and up
Lifetime Replacement