Creates a aggressive BOV sound. Only fits HKS BOV
Creates a aggressive BOV sound. Only fits HKS BOV
Located on top of the valve cover
For vehicles with AEG engine code only
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
10-05-2026
Creates a "Whoosh" noise instead of a whistle. Simple install on all HKS BOV's
Revised diaphragm-based diverter valve
Connects to purge valve and canister pipe
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
10-05-2026
Located on top of your valve cover
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In line vacuum one way valve to ensure proper air suction
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
08-31-2026
Located on top of the valve cover
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Keep your turbo boosting like it should
A great upgrade for stock to mildly tuned engines
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Hard vacuum pipe that goes to brake booster, comes with check valve
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Cap (ES277435) is needed for vehicles from VIN 1J-1-013 041
This product was last offered at the strikethrough price on
09-16-2026
Repair vacuum system leaks
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Also called the "breather valve" or "oil separator" - Includes gasket
For vehicles with FSI engines only - Must use newest revision rear breather pipe with this PCV - See ES1928558 for purchase.
This simple machined piece gives a clean and OEM look to your engine bay.
For vehicles with FSI engines
Install new clamps to stay leak free. 23-35x9x.5
This product was last offered at the strikethrough price on
07-15-2026
Includes upgraded, piston-style diverter valve to avoid costly boost leaks
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For vehicles with FSI engines only
This product was last offered at the strikethrough price on
05-02-2026