Join Date: Feb 2015
Thanked 300 Times in 285 Posts
IMHO the bag of parts offer only a very, very slight improvement, and not enough to bridge the gap. You're waaay better off saving your money for a 10mm cp3. my stock cp3 couldn't even keep up with stock injectors and a hot tune. If you're going up in size and a turbo you need more fuel.
03 QCLB- 19 to 25 mpg with electric parts, and engine mods....