This blow off valve vents excess turbo 'boost' into the intake system which helps reduce turbo lag， increase throttle response， prolong the life of turbocharger， and it does not cause any errors in the vehicles ECU.<br><br><strong>Features:</strong><br>100% brand new.<br>Fits for most diese cars with 25mm intake pipe.<br>Comes with 14psi spring and 7psi spring.<br>Professional installation is highly recommended.<br><br><strong>Specifications:</strong><br>Color: Chrome<br>Material: Aluminum Alloy<br>Item size: approx. 10.2 * 9.9 * 6.8cm / 4.0 * 3.9 * 2.7in<br>Item weight: approx. 276g / 9.7oz<br>Package size: approx. 12 * 11 * 8.2cm / 4.7 * 4.3 * 3.2in<br>Package weight: approx. 367g / 12.9oz<br><br><strong>Package List:</strong><br>1 * Blow Off Valve<br>2 * Spring