Clean your intake duct without removing it
10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Ground ship only in the contiguous U.S.
Clean your intake duct without removing it
10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Ground ship only in the contiguous U.S.
Replace your failure-prone factory rubber hoses with boost-friendly silicone!
Includes 2.5 gallon tank, stainless steel braided line, 4AN fittings
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
10X Entries For Our 25th Anniversary Sweepstakes!
This product was last offered at the strikethrough price on
06-13-2026
Swappable swirl generators for 250/500/1000cc configurations!
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
08-13-2026
Bigger intercoolers with carbon air ducts
Perfect fit performance Air Filter for SAI equipped cars, breathers, and more!
Restore fuel economy and performance
2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
From the B5 RS4 - Features a larger diameter housing allowing increased air flow on high boost applications
This product was last offered at the strikethrough price on
04-02-2026
Robust protection for your WMI installation to ensure peace of mind
A great upgrade for stock to mildly tuned engines. Includes band clamps
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2 required
This product was last offered at the strikethrough price on
05-02-2026
Engine mounted, stainless steel braided line, 4AN fittings
Includes the throttle position sensor
2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Up to VIN 4B-5-026300, split is in the 2005 model year
This product was last offered at the strikethrough price on
07-07-2026
Direct replica of OEM RS4 hoses, but in reinforced silicone for long life and abuse resistance
To be used with RS4 Y-pipe and inlet pipes only
Includes the throttle position sensor
Up to VIN 4B-5-026300, split is in the 2005 model year
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
08-13-2026
Direct-fit performance solution for the weak factory diverter valve