View Single Post
      04-23-2007, 10:20 AM   #36
T Bone
Brigadier General
T Bone's Avatar
Drives: 2008 335xi Coupe
Join Date: Feb 2007
Location: The land where we kill baby seals

Posts: 4,021
iTrader: (0)

Originally Posted by EBuyuk View Post
There is plenty of independent data. Try searching here under "supersprint headers" or " evosport headers"

Here is some good info on supersprint headers

Cams, Headers and ECU tune only buys 3 mph and 0.4 seconds in the quartermile on an M6.

BMW headers are great stock....particularly since they are hydroformed.
"Aerodynamics are for people who cannot build engines"......Enzo Ferrari
T Bone is offline  
Reply With Quote