Originally Posted by Dave07997S
No reason to apologize, I remember there were results in the 27hp range but this was with a tune. I personally don't expect much of a gain with these for the amount of money needed to be spent.
Found the original claims from Motorsport 24 on page 2:
Originally Posted by Nate@IND
"The OEM headers work but ours are optimized primary to get the temperature down (from 950 degrees to about 850 degrees). This is an important step against the S65 temperature problems."
"We have the headers available for street and race cars. The headers
get the exhaust gas temperature about 100° C lower. First tests on the
dyno showed 27 PS and 22 Nm more with the headers."
Lets see if IND sees numbers that are comparable to the ones posted by Motorsport24!