its all preference. there's data that suggests that the short ram only makes power while the engine bay is cool...which isn't very long. they suffer from heat soak. the stock boxes are actually in a good spot. I went with the tubes and afe dry flow filters, I didn't dyno,but its SUPPOSED to be a 5-7 hp gain I believe...but nobodys butt dyno will notice that. but for the cost,id say its better than the k&n
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