Yes, you'll need a tune to get the most out of them, and to shut off the O2 sensors. They didn't make my exhaust louder, just changed the tone a bit. Hard to explain, kinda like having two different sized subwoofers, but you're playing music at the same volume for both. There's definitely a difference from stock, find a set you're comfortable with paying for, slap em in, get the tune, proceed to grin uncontrollably.Did you have to get a tune with the Lts ?
How much louder did it get ?
Was it worth the price for what you get in gains?
Im looking at this set and was wondering how good lts are on our trucks. I only have an intake and cat back (blackwidow)
https://www.speed-engineering.com/s...-1-3-4-longtube-headers-y-pipe-2007-2013.html