Bull Boost Performance™

Bull Boost Performance is here to provide the best products and quality customer service to all of our customers, we offer one of the best prices on eBay. Many competitors will offer much lower prices but at the cost of quality of the product. We dedicate the time and energy to inspect every single item before shipment to customers, though mistakes are inevitable; we offer quick response customer service on any of your concerns about a product your interested in or have received. 

Brand new in box available in Blue color.  These blow off valves are direct fit (no welding required) for the following vehicle makes and models:

 - Subaru WRX (2002-2007)

 - Subaru STi (2002-2019)

These units are fully adjustable and can operate under any of the following main conditions: 

- Fully venting off to the atmosphere (AKA Supersonic)

- Fully Recirculating (AKA Plumb back)

- 50/50 (Half & Half)

If you have any questions on how to set the BOV up for any of the above conditions, please do not hesitate to ask.

THESE BLOW OFF VALVES ARE FULLY ADJUSTABLE AND CAN BE SET TO YOUR SPECS!

US Shipping:
FREE 2-3 Days Priority Shipping in the US (Includes Tracking Number)