Alta Shifter Cable Lock Down Civic (2016+) BMW This problem is exaggerated when

This problem is exaggerated when aftermarket short shifter adapters and rods are installed

With core size nailed down

This extra work provides the best laminar flow of intake air

The intake retains use of the bottom half of the OEM filter box as a non heat conductive heat shield

unleashing horsepower that would normally be restricted

Alta Shifter Cable Lock Down Civic (2016+) BMW This problem is exaggerated whenThe shift cables in the 10th Generation Civic are not well secured in the housing in stock form. This causes a noticeable "double clunk" while shifting into 2nd, 4th, and 6th gear. This problem is exaggerated when aftermarket short shifter adapters and rods are installed. As shown in the image here, you can see the shifter cable move within its mount and you can see the shifter cable housing rattling against the shifter cable (O ring used for