Made and designed by yours truly. Data logged to show about a 120deg at face of rotor and 33 deg at caliper. For an in depth description, check out this post I created; https://www.civicx.com/forum/threads/new-fk8-brake-duct-reducer-scoop.99176/
How much are you lowered from ground to fender? in inches* What wheel size/offset/tire size are you using? Ex: 18X9.5 +45 (265/35/18)*