With a plug at the air box you are completely blocking the air into the air box from the hose. There is no way for any to get through.
Doing it this way gives the indication that you are still stock and some people like it that way.
Using the block off plate just eliminates the hose from it.
Doing it this way gives the indication that you are still stock and some people like it that way.
Using the block off plate just eliminates the hose from it.