BOV BigBubba 4.0" Trumpet - Black ECU 4 rotor engines

4 rotor engines

Turbosmart's precision-engineered adapter ensures a secure seal and the highest quality performance - so you can rest assured that your Turbosmart BOVs will be adequately fitted every time

Standard valves crack with age and heat cycling and rely on rubber diaphragms that perish

Easy to Install and Setup

Dual outlet-type BOV

BOV BigBubba 4.0" Trumpet - Black ECU 4 rotor enginesTurbosmart's Big Bubba Blow Off Valve Trumpet 4. 0 Black is the perfect replacement for a worn out or broken BOV. It has been designed specifically to fit Turbosmarts Big Bubba BOV and includes all necessary components and instructions for installation. Its unique design ensures a fast boost response and stable operation even under the most demanding conditions. This spare part is easy to install, and its sturdy construction will hold up for years of