Agreed, unless it has some sort of actuator valve system that can control the opening / closing of the second intake pipe, otherwise your low down torque will suffer from it!
Umm.. yes.... expected the low rev should be affected as same as the CDA, but the mid-high Rev was really nice. However, the CDA was 頂住 bonnet....cos it designed for 2.0TFSI only but not for TT engine room..................