ive seen talk about a tuner for the ls mine is slightly modded what are the pros and cons if any. Where would i see the increases at hp or gas mileage etc. Also for those who have one was it worth it????
this is the first post after we got it working with the LS some years ago. The device has gone through several upgrades and can do a couple of cool things now - but the tuning is still the same.
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