the big coffe can looking thing under the carbon can has two vac lines one goes to the port the other goes into the firewall where does the small one in the firewall go and what does it do? can you tapthe two together or just plug it? im wanting to take it all off but dont know what to put where. P>S is there an easy way to change the spark plugs under the motor lifts
I believe thats the vacuum canister. Keeps your vents blowing from the correct vents when you accelerate. If you drive your car, you probably want it. If you race or something, probably not.