For more specific details on this exhaust, grab this link now: https://www.heeltoeauto.com/cat-back-exhaust-system/atlp-active-quads-cat-back-exhaust-system-2021-acura-tlx-type-s-3/0t-w/active-exhaust-valve-es00018a.html If you decide you want the valve open all the time then we do offer a non-active system here: https://www.heeltoeauto.com/cat-back-exhaust-system/atlp-quad-cat-back-exhaust-system-2021-acura-tlx-type-s-3/0t-w/active-delete-es00018.html It's the same exact system, just does not have the active valves in place. You can use it on a Type-S and just leave the plugs dangling. No codes or issues! ** CAR IN THE VIDEO HAS THE ATLP A-PIPE INSTALLED AS WELL: https://www.heeltoeauto.com/front-pipe-a-x-j-pipe/atlp-a-pipe-2021-acura-tlx-type-s-3-diameter-ep00018aprp.html