The only consideration is that some factory bars may yield better gas mileage because they sit lower and more inline with the roof rack bars. Nicely packed. Large bottle, will last for awhile. As such, it can take some (probably small) adjustment of expectations for a mainstream North American or European audience. So I tested the theory and had two other friends try it out. So why 2 stars instead of 5,you might wonder??? The ear bud tips are TOO DARN BIG. Se siete degli esteti attenti al dettaglio apprezzerete questi adesiviBelli, rendono il prodotto ancora più eleganteProteggono dai graffiPrezzo un po alto per degli adesivi Crocs sempre le numero 1 Die Putzergebnisse sprechen für sich und es fühlt sich beim Putzen auch angenehm an. If you can get over the price you will be very happy you bought them.