I have seen a lot of he cold air intakes that manufacturers make for import cars. I also see a lot of people have listed on their modifications "opened airbox" .
I was wondering if this means someone has just clamped on like a big K&N filter and taken the airbox off or are they making custom piping for the intake. I am interested the way to make the most power while not harming my truck.
I was wondering if this means someone has just clamped on like a big K&N filter and taken the airbox off or are they making custom piping for the intake. I am interested the way to make the most power while not harming my truck.