The D-tech heads flow really good, & it makes a difference when you can get the mixture flowing & cams sure help out a lot. The oem ones are wimpy. .030+ lift & 5 to 10 degrees of duration makes a big difference. The stage 1's or the entry level ones work great for a DD.
Interduce Mr. Torsen to the mix
D23 crew- D-Tech- Sedan Revolution= #131