The world's first ADJUSTABLE NOISE BOV - for street or track conditions at a twist of the wrist!

This valve has 2 ports for the air -- one back into the intake and the other to atmosphere. Link to the GFB == http://www.gofastbits.com.au/index.php?parentid=products&option=products&am p;sub_option=bovs&sub_sub_option=stealth_fx

Can be very quiet or very loud... depends on your mode. The reason for selling is going back to stock.

I have 2 of these for sale will separate

I am asking $210 a piece or $375 for both. Email me if interested... cgill92@earthlink.net