• Welcome to CivicXI.com everyone!

    If you're joining us from CivicX.com, then you may already have an account here!

    As long as you were registered on CivicX.com as of May 24, 2020 or earlier, then you can simply login here with the same username and password!

catless downpipe

  1. 10th gen si down pipe on 11th gen si

    Yesterday on October 7 2022 I have confirmed that a 10th gen down pipe fits with no modifications this includes but not limited to Prl cat/catless Plm cat/catless 27won cat/catless Those three I have 100% confirmed fit witch is leading me to believe that all fit. Hope this helps

  2. 1.5T Catless downpipe review/test on 1.5T Civic Sport Touring

    Recently given an opportunity to use/test/review/keep a 3" catless downpipe for the 11th gen civic. First thoughts. I was mad excited, I mean who wouldn't be. Instal was pretty straight forward. It was pretty easy. Besides breaking the top right turbo bolt. Easy fix. Instal was about an hour...


Top