GFB SV52 High Flow BOV - Rated at Over 300psi (Suits All High Powered Turbo or Supercharged Engines) Wheel and Tire Accessories>Spare Tire Carriers 5x thicker than OEM for

5x thicker than OEM for reduced flex and have larger inner ball joints for reduced wear

offering a 150 lbs weight capacity and compatibility with hardtop

designed for easy installation on both driver and passenger sides

the Foiler™ doesn’t draw unnecessary attention with carbon weave or enlarged wings

GFB SV52 High Flow BOV - Rated at Over 300psi (Suits All High Powered Turbo or Supercharged Engines) Wheel and Tire Accessories>Spare Tire Carriers 5x thicker than OEM forStrength and reliability is the primary factor, something that a diaphragm simply cannot match in a high boost BOV environment. Diaphragms have their place (we use them in our wastegates), as they offer low friction and good sealing capability. However, a rolling diaphragm is only designed to receive a net pressure on one side, which essentially "inflates" it against the walls of the chamber in which it resides, exactly how it is used in a wastegate