Blow-off valve

Originally Posted by Jeffblue

so yea. the BOV are a cool sound, but thats because of the function they serve on a turbocharged car. You know a car is running PSI when you hear that sound so you know its being boosted and therefore faster than its Naturally aspirated counterpart. Just how a loud exhaust sounds cool on a sports car because you know its got some power, you think it sounds dumb on a 98 sentra b.c it isn't fast or powerful, and probably just has a hole in the muffler. If someone heard the whoosh of a BOV on your car they'd think you had a turbo. Theyd ask you what kind of PSI you were running and you'd say you just had a fake one, and they'd laugh. Its all about fuction. You have to earn those BOV's by having a TT installed.