i was thinking of making a flap that simply sucks open when the turbo creates negative pressure. something like this maybe;
https://encrypted-tbn1.gstatic.com/i...--jquFJMFyXYhQ
i was thinking of making a flap that simply sucks open when the turbo creates negative pressure. something like this maybe;
https://encrypted-tbn1.gstatic.com/i...--jquFJMFyXYhQ