I'll have my Coyote back from the Tuner by the end of the week. I am running the Stainless Headers with the 4:1:4. I'll let you know what the results are. The 390hp at the wheels is what he (tuner) said is normal on a stock Coyote.
Quote Originally Posted by bansheekev View Post
Since the target is 13:1 I impressed with JLT's tune. Spot on over the entire RPM range by mail... Looks great. I'm going to use the stainless headers 4:1:4 setup and am shooting for 425 at the wheels.

Thanks

Kevin