Ordered my HMF slip on

[Jake250ex]

Was wondering what to expect as far as power and sound? I got a black slip on for my 07, it came with the jets and all. Do I need to change the jets? If so what to? Im keepin the airbox lid and stock filter, ecerything else stock too. thanks

[IMSROLL450R]

You probably arent gonna notice a gigantic amount of difference with the slip on. I have a red one on my 06. The thing that I like is the way it sounds. Its the elliptical can and it sounds really mean. They are giving you new jets even though the difference is so small it doesnt really matter whether you change them or not. You can if you want but its not a must do. Let me know how you like the sound I sure do like the looks and sound of mine.