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

and fully validated by some of the world's best Porsche tuners

Borla(r) Cat-Back(tm) & Axle-back exhaust systems feature patented straight-through and multi-core technology to unleash hidden horsepower

designed for easy installation on both driver and passenger sides

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