GFB 02-07 WRX / 04-10 STI Deceptor Pro Blow Off Valve Kit

The Go Fast Bits Deceptor Pro II Blow Off Valve Kit is an adjustable bypass valve designed for Subaru WRX models from 2002 to 2007 and STI models from 2004 to 2010. This kit allows drivers to control the sound of the blow-off valve (BOV) on-the-fly, enabling a signature turbo sound when desired or quieter operation during daily driving. The Deceptor Pro II features a controller that adjusts the venting of air to atmosphere, providing a customizable auditory experience while maintaining optimal performance. Its construction ensures durability and reliable operation, making it a popular upgrade for enthusiasts seeking both sound control and performance consistency.

Designed specifically for 2002–2007 Subaru WRX and 2004–2010 STI models, this kit is compatible with vehicles equipped with turbocharged engines that benefit from precise BOV sound management. It is suitable for street and performance use, offering a bolt-on installation that integrates seamlessly with the stock system. The kit includes the necessary components for installation, allowing users to easily modify their BOV venting behavior. Ideal for tuning enthusiasts and daily drivers alike, this product enhances the driving experience by providing adjustable sound levels without compromising vehicle reliability or performance.