i recently purchased this premium replacement filter for my motorcycle and couldn't be happier with the results .It was easy to install and instantly improved the performance of my bike. Based on our own experience, we could tell the difference in the sound and power of the engine. The filter is reliable and trustworthy and the price is reasonable. The only downside is that it needs to be changed regularly, but that's true for any automotive filter. Overall, I highly recommend this product for aSee full review