A: An exhaust is the entire system, from the engine cylinder head to the tail pipe. It includes the exhaust manifold, catalytic converter, muffler and all pipes and hardware that connect it to the chassis. A: If you hear noise that gets louder when you accelerate, you may need a new muffler.
â¢ DRESSED TO THE NINES (adjective) The adjective DRESSED TO THE NINES has 1 sense: 1. dressed in fancy or formal clothing. Familiarity information: DRESSED TO THE NINES used as an adjective is very rare.
Best Answer: Dress up means to dress more fancier, like you are going out to a fancy restaurant and you want to dress up for it. To dress down, means if you are wearing something fancy and you are going somewhere that doesn't need you to be so well dressed, you dress down into something more casual. Or make your outfit look less dressy.