Originally Posted by Xplicit97

The main point of these were to get rid of the rasp associated with HFC and the Ark exhaust.. Which they apparently do HFCs(reputable products) are pretty much going to have the same dyno results as each other. Sometimes I wonder if some people on here just enjoy giving vendors, and private sellers a difficult time on here. I will be ordering these for the simple fact that I hate that rasp hiss whatever it is. I had the berks and loved em minus the extra noise. Talk to FBPJOMER he will have them available.