Originally Posted by 85chedeng300D

well, i'm not an expert so i'm not the right person to ask. but from what i remember, diesel engine requires more air than a gas engine because of the higher fuel/air mixture requirements for diesel burners. plus the fact that our cars are equipped with a turbo charger which aspirates the air intake suction. but it doesn't mean that our engine is requiring the use of such "high flow performance air filters." i am not saying that don't use it! it is your car, so it is your call and decision. i'm only saying that if i were you, and if it is my car, i'm going to use only the stock air filter.