maximize your airflow with more power, torque, and incredible induction sounds!
maximize your airflow with more power, torque, and incredible induction sounds!
Keep clean air running through your engine
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
11-05-2026
Delivers improved power, sound, and acceleration to B9 Audi S4/S5 owners in a clean OEM+ package!
2X Entries Into Our F80 M3 Sweepstakes
Common cure for DTC P0441
For vehicle with productions dates up to 07/30/2020
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
11-05-2026
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
11-05-2026
one located on both the charge pipe and inlet after the throttle body
We Price Match - Give Us A Call or Chat!
This product was last offered at the strikethrough price on
06-04-2026
Replace your Diverter Valve with new bolts
Perfect fit performance Air Filter for SAI equipped cars, breathers, and more!
2X Entries Into Our F80 M3 Sweepstakes
Preserve & maintain your air filter for a lifetime like it was designed to be used
Delivers improved power, sound, and acceleration to B9 Audi S4/S5 owners in a clean OEM+ package
2X Entries Into Our F80 M3 Sweepstakes
Kit includes vacuum T fittings, vacuum line, and one way check valve
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
10-28-2026
Restore engine performance with this new kit
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
11-05-2026
Engine mounted, stainless steel braided line, 4AN fittings
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
11-05-2026
The biggest issue with the restrictive factory inlet is apparent when you start to increase the power. CTS engineers designed the turbo inlet to be as large as possible; yet still fit perfectly.
This product was last offered at the strikethrough price on
09-29-2026
Robust protection for your WMI installation to ensure peace of mind
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
11-05-2026
Flexible silicone smooths the intake tract & hinders collapsing. The ultimate in durability!
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026