And yes they provide an improvement with the stock motor, no need to change the internals. A few users have them installed, on this forum, and reported gains, on the stock motor.[/QUOTE]
This is also what I have found I have pmed flashtune to ask them about the stacks and I am waiting on a reply from them. I havent done any research on the yec ecu. The only one ive heard of eliminates all the streetablity and is very very expensive. Ive never tuned a bike so i wouldnt know where to begin. i like the flash for the fact its easy and I cant mess it up.
Graves low mount ss, Graves smog plates, Graves velocity stacks, Ecu unleashed, K&N air filter, PCV, Sfm, Quick shifter, Spiegler ss lines, Air box mod
DDM 55w 6000k hids, LSL frame sliders, Watsen flush mount, Zero Gravity double bubble, ASV shorty levers, Competition Werkes fender eliminator, Running light mod, custom led taillight