Cst

Here is a Dyno chart they posted on a c4. They claim Dyno is 389hp at the rear wheels? And the tune made ,502 HP...at the rear wheel Then we are talking close to 540 give or take at the crank? Seems a little high for a stage 1 tune for a base and they only claim the torque is improved to 430ft/lbs on their website.
M engineering doesn't boast those numbers in the hp but have higher torque claims...
500+hp seems awfully high to me.what am I missing?

Scott P

I am interested in flash tuning, I am also somewhat suspicious of the numbers and fearful of having my warranty voided due to something induced by the tune.

Gregonater

These numbers are corrected to "crank hp" and are not "wheel hp".

Z911

I’ve tried both on the same car under the same conditions and it’s day and night. Meaning I felt the power with m engineering more than I did with the Litchfield tune. Mind you both are reputable tuners.