Voici ce que K&N mentionne pour les filtre de remplacement:
L'economie de carburant pourrait etre fait en gardant le filtre a air propre. l'economie sera plus sur les achat de filtre a air de facon repeter pour garder une bonne consommation de carburant.Fuel Economy
Fuel economy testing and mileage claims are a tricky business. Just ask the EPA, whose website states, “EPA’s fuel economy estimates are designed to allow consumers to comparison shop. Your fuel economy will almost certainly vary from EPA’s fuel economy rating. This is based on a number of factors, such as weather, road conditions, your driving and maintenance habits, and your use of air conditioning.” A lot of exaggerated claims are made in the marketplace by products claiming to improve gas mileage. K&N makes no general fuel economy claims, however we encourage you to try our air filter for yourself. Keeping air filter restriction as low as possible can be an important tool, among others, for maintaining high mileage
Personnellement , je ne pense pas que le vehicule va etre plus economique qu'avec un filtre a air neuf mais comme il est lavable, il sera propre plus longtemps. l'Economie se fera la.
Pour les filtre de performances c'est une autre chose.
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