2009 Subaru Forester XT 2.5

Blow Off Valves

You know when a turbocharged car does a ricer flyby and makes that intriguing noise in between shifts where the average person thinks the car is sneezing? That is more than likely a blow off valve. RallySport Direct carries so many blow off valves, you'll think it's mating season in the spring time. We have all different types that make all the different kinds of noises. We carry from 10 major label brands that include Tial, HKS, Turbosmart, COBB Tuning, and Go Fast Bits just to name a few. The blow off valve makes one of the most quintessential noises that comes out of a turbocharged car. The function of the blow off valve is to relieve any excess boost in between shifts or when you let off the throttle. Depending on what type of blow off valve you get, it can make a whooshing noise, a chirp, a sneeze, and some people like to rig their favorite duck caller to make all the ducks fly south.  While you're shopping for a new blow off valve, check out our great selection of turbochargers, as well as wastegates to get that boost under control.

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