What Iraqvet said is spot on....Its imperative that there are no injector issues and a good strong hpop..and no fuel restrictions like partially clogged pick ups in the tank...clean fuel filter and good fresh oil change never hurts....but very good chance there could be the wrong tunes loaded on your TS...I had a extremely hard time finding someone who could provide the tunes for TS to work on my 01 X...ultimately made the decision to go with a hydra and soooo glad I did...great guys and awesome service, also you can add tunes via a USB plug on the chip that can be emailed and loaded using their transfer utility software very easy and much faster than mailing chips in the mail....My TS is in the mail again (5th time)..this time for a refund, and my hydra is running great...