cut a hole in your air filter and then mount it securely and your good to go make sure you use elmers school only cause it will secure it tightly but able to take off in the future also buy an hks ssqvbov cause its the only one that will work On a non turbo, there is no pressure to "blow off". So a blow off valve would not do anything.
These BOV's are called super-sequential blow-offs. HKS and Greddy make excellent, top-of-the-line SS-BOV models.
next to the blow off switch
A splitter valve has a blow off valve sound but it redirects the airflow. It combines the features of a diverter valve and blow off in one housing.
It already has a blow off valve on it, and a rather good one.
No, without a turbo, there is no blow off valve. However, if you really wanted to, they have fake blow off valves for sale. These mimic the sound of a blow off valve. It would be an absolute waste of money, but hey, it's your money.
Blow-Off Valve
Blow off valve faulty or expansion tank needed at water heater.
It doesn't
eBay
You could mount it, but there is no pressure to blow off.
either a forge 004 blow off valve or a forge splitter, a partial blow off valve and partial recirculation valve. which is what i run on my a4. you may be able to find better prices of these somewhere else online, i never checked,