Aeroflow Aluminium Donut 3 Welded AF8610-300 63mm Turbo The Plumb Back is a

The Plumb Back is a fully recirculating blow-off valve that offers a similar sound volume to the standard valve

race-grade reliability

you can be sure that your RacePort and Big Bubba Blow Off Valves will always perform reliably and at their peak potential

Suitable only for inside chassis fitment

Aeroflow Aluminium Donut 3 Welded AF8610-300 63mm Turbo The Plumb Back is aOutside Weld Only Premium T6063 grade aluminium donuts from Aeroflow Performance are used to gain a tighter radius bend than our mandrel bent tube. Primarily used for tight compact installations which make it perfect for that custom Intercooler or Exhaust systems that require tight bends and corners. The donut can be cut at any degree of bend needed. These donuts will not corrode or rust like coated or painted steel pipes and are much lighter than