Originally Posted by Dr_Dirt
Did back to back dyno runs using COBB stage 1 aggressive and then COBB stage 1 aggressive and the ETS 5" IC.
only other mod is the K&N Drop in filter.
I picked up 18whp on lower boost after Installing the ETS 5" IC
Nice! Why did the boost lower though? I'm assuming it has to do with pressure drop. I also noticed similar power gains
with the CX FMIC, but without the boost loss.