SL 55 intake! Does it give any gain?
Has read almost all threads about this subject and have nobody other than Hooley' Dynoed thier car before and after with this setup?!?

Come on post your before and after numbers if anybody did a dyno

Or is this setup only waste of money.
Has read almost all threads about this subject and have nobody other than Hooley' Dynoed thier car before and after with this setup?!?

Come on post your before and after numbers if anybody did a dyno

Or is this setup only waste of money.

The AFR was 11.7-11.8 on all rpm range, with it the AFR became 12.2-12.3 and it is raising now at 5700-5800 rpm on 3rd gear to 14.5,
that mean it has allow more air to enter in my C32. need to adjust tune.
stock 4 me was 245 whp and 272 wtq and i now have over 90000mile on my car and still going strong







