View Single Post
      10-22-2012, 09:37 AM   #13
m3an
Banned
m3an's Avatar
39
Rep
1,590
Posts

Drives: M3
Join Date: Oct 2010
Location: South Florida

iTrader: (2)

Quote:
Originally Posted by 1SICKM View Post
Finding out the injector size is difficult. Do you think ESS or these tuners want to release their secrets and hard earned R/D. Gains from stock exhaust to catless are approx 20-25 whp. Gains from 535 to 575 pulley only are minimal. I saw approx 15whp. You would get more from upgrading to the 575 kit because the car is then tuned for it and the injectors are different. IMO - if your upgrading from 535....just go to the 600 or 625.
It's not difficult at all and certainly not a secret. I believe they're Bosch 40lbs but may be wrong. A shop would be able to flow test them to calculate they're size though.
Appreciate 0