Install CP-e QK Spl Downpipe Installation By Randy - July 20, 2018 0 3101 views Share on Facebook Tweet on Twitter I finally installed a downpipe on my Mazdaspeed 3! It was a lot of work, but totally worth it for the performance increase! Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to email this to a friend (Opens in new window)