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
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Brand:
ES#:
3697634
Mfg#:
003675ECS03-02
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SAVE 30%
$56.99
This product was last offered at the strikethrough price on 05-02-2026
$39.89 USD
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Bolt on better performance and fuel efficiency.
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Brand:
ES#:
1876583
Mfg#:
E-2021
$68.99 USD
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These filters are used in our MK4 1.8T, 2.0T FSI, 2.oT TSI, B8 A4 intake kits. Also these filters can also be used in a custom big turbo application.
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Brand:
ES#:
4033238
Mfg#:
CTS-AF-300
$49.99 USD
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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!
Brand:
ES#:
4461016
Mfg#:
012054LA27-DRY
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SAVE 20%
$69.99
This product was last offered at the strikethrough price on 05-02-2026
$55.99 USD
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Lifetime Replacement
Replacement filter with 3.5" inlet, 6"base, 4.75" top, 6" height
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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 06-03-2026
$76.00 USD
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Lifetime Replacement
More air flow means more power! Direct replacement with long service life.
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Brand:
ES#:
2623151
Mfg#:
PP1389
Limited Qty Sale
$49.99
This product was last offered at the strikethrough price on 05-02-2026
$44.99 USD
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Lifetime Replacement
Replacement filter with 3.0"inlet, 5"base, 3.5"top, and 7"height
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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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Replacement filter with 4.5"inlet, 6"base, 4.75"top, and 5"height
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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.
$82.50
This product was last offered at the strikethrough price on 05-27-2026
$66.00 USD
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Lifetime Replacement
Original air filter from the ECS cold air intake kit
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
9394
Mfg#:
SW-MPO4
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SAVE 40%
$46.99
This product was last offered at the strikethrough price on 05-02-2026
$28.19 USD
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Lifetime Replacement
Replacement filter with 3.5"inlet, 6"base, 4"top, and 7"height
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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.
$98.99
This product was last offered at the strikethrough price on 06-03-2026
$79.00 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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Oil free gauze filter significantly improves airflow over stock paper media
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Brand:
ES#:
264129
Mfg#:
31-10016
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 01-28-2026
$76.00 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 06-03-2026
$76.00 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
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Lifetime Replacement
High grade drop-in filter for your Audi, designed for road or competition use
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Brand:
ES#:
4030771
Mfg#:
15WB-568
$64.99 USD
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Lifetime Replacement
Inverted filter with 3.0" inlet
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Brand:
ES#:
2863067
Mfg#:
RR-3003
$94.99
This product was last offered at the strikethrough price on 01-20-2026
$90.99 USD
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Lifetime Replacement