Once again I've been doing some reading since a buddy at work told me about using the Vance and Hines FP3. I had been planning to go with the TTS Mastertune like I had the last time I went through upgrading exhaust. When I talked to him I started looking into the FP3 and was interested in a lot of the reviews online and on these forums. What I couldn't get a solid answer to was whether the tuner uses as effective when paired with setups other than Vance and Hines pipes. Not that I have anything against V&H, it's just that I'm going with different pipes - likely Thunderheader 2-1 or Freedom Performance. The FP3 definitely sounds like a viable option but I'd love to hear from a few people that run other pipes and air cleaner combinations. I must've read 150 reviews and if they weren't saying something like "it shipped fast" or "great packaging" - yes those were two actual reviews - they talked about how much they liked the tuner with their V&H pipes. I assume it will work as well with other setups but I want to be sure and this is the place to ask. Thanks!