{"id":15572,"date":"2023-10-04T07:53:19","date_gmt":"2023-10-04T15:53:19","guid":{"rendered":"https:\/\/corksport.com\/blog\/?p=15572"},"modified":"2025-04-17T05:49:27","modified_gmt":"2025-04-17T13:49:27","slug":"best-mazda-3-cat-back-exhaust-system-for-the-4th-gen","status":"publish","type":"post","link":"https:\/\/corksport.com\/blog\/best-mazda-3-cat-back-exhaust-system-for-the-4th-gen\/","title":{"rendered":"Best Mazda 3 Cat Back Exhaust System for the 4th Gen"},"content":{"rendered":"\n<p>Check out the the Best CorkSport <a href=\"https:\/\/corksport.com\/2019-mazda-3-2.5l-cat-back-exhaust-system-63.5mm.html\" title=\"\">Mazda 3 Cat Back Exhaust<\/a> for 4th Gen models (2019-2024)! Building upon the already great <a href=\"https:\/\/corksport.com\/2019-mazda-3-and-cx-30-axle-back-exhaust.html\">CS Axle Back exhaust<\/a>, the Mazda 3 CBE replaces the entire OEM exhaust system from the header back with high flowing 63.5mm piping and flow-thru resonators. This adds an aggressive sound that is great for tearing up the backroad, yet is still comfortable for cruising on the daily commute. Read on for more details and be sure to listen to the sound clips below.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"\/images\/4th-Gen_Mazda-3\/2019-up-Mazda-3-cat-back-exhaust-pipe\/2019-2024-newer-Mazda-3-cat-back-exhaust-system.jpg\" alt=\"Installed 2019+ Mazda 3 Cat Back Exhaust System\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">The Mazda 3 Cat Back Design<\/h2>\n\n\n\n<p>The primary focus of the CorkSport cat back is to add a great sound that spices up your new <a href=\"https:\/\/corksport.com\/mazda-3-performance-parts\/2019-mazda-3-performance-parts\/\" title=\"\">Mazda 3<\/a>. The restrictive OEM axle back exhaust is replaced with the unique CS <a href=\"https:\/\/corksport.com\/blog\/axle-back-exhaust-for-2019-mazda-3-cx-30\/\" title=\"Axle Back Exhaust for 2019+ Mazda 3 &amp; CX-30!\">Mazda 3 Axle Back Exhaust<\/a>. The large resonator eliminates the drone fantastically, while the asymmetrical design offers a great tone and interesting exhaust notes. Moving to the front, the OEM, mid pipes are replaced with full 63.5mm (2.5\u201d) mandrel bent piping that incorporates a large oval-shaped resonator. This resonator was chosen for its ability to eliminate any drone and undesirable sounds while retaining a straight-thru design to remove any exhaust restriction. The result is a sound that is louder and more aggressive than the CorkSport axle back alone, without being annoying or bothersome on long drives.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"2019+ Mazda 3 Cat Back Exhaust\" width=\"525\" height=\"295\" src=\"https:\/\/www.youtube.com\/embed\/tUq3ecpYesk?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"\/images\/4th-Gen_Mazda-3\/2019-up-Mazda-3-cat-back-exhaust-pipe\/Mazda3-Catback-Exhaust-2.5inch.jpg\" alt=\"CorkSport 2019-2024 Mazda 3 Cat Back Exhaust System\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Cat Back Improves Performance<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"\/images\/4th-Gen_Mazda-3\/2019-up-Mazda-3-cat-back-exhaust-pipe\/Mazda3-2020-Horsepower-Improvement.jpg\" alt=\"Dyno for Mazda 3 Cat Back Exhaust netting wHP\"\/><\/figure>\n\n\n\n<p>The increase in volume also comes with an increase in horsepower. The axle back alone was able to net 3-5WHP across the RPM range. In our testing, the Mazda 3 <a href=\"https:\/\/corksport.com\/mazda-performance-cold-air-short-ram-intake-systems\/mazda-3-performance-short-ram-air-intake-systems\/\" title=\"\">Short Ram Intake<\/a> was installed with both the OEM and <a href=\"https:\/\/corksport.com\/mazda-exhausts\/mazda-3-exhaust-systems\/\" title=\"\">CorkSport Cat Back Exhaust<\/a>. With the removal of the restrictive OEM mid pipe and mid pipe resonators, the CBE netted us approximately 20wTQ and 10-18wHP in our testing!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Easy Installation<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"\/images\/4th-Gen_Mazda-3\/2019-up-Mazda-3-cat-back-exhaust-pipe\/Mazda-3-Cylinder-Deactivation.jpg\" alt=\"Best Mazda 3 Cat Back Exhaust system with mid pipe visible\"\/><\/figure>\n\n\n\n<p>While both improvements in power and sound are great, they mean nothing if it&#8217;s a pain to install. Don\u2019t worry though, the CorkSport cat back exhaust installs just like the OEM exhaust. We used both a FWD and AWD exhaust system during our development to ensure correct fitment for whichever drivetrain you have. While the pipe routing of the CS mid pipes are slightly different for the different drivetrain options, the resonators setup is exactly the same, so you can be confident that both AWD and FWD <a href=\"..\/..\/mazda-exhausts\/mazda-3-exhaust-systems\/\" title=\"\">Mazda 3\u2019s exhaust<\/a> sound fantastic.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"\/images\/4th-Gen_Mazda-3\/2019-up-Mazda-3-cat-back-exhaust-pipe\/Mazda-3-GEN-4-cat-back-exhaust-kit.jpg\" alt=\"4 Gen Mazda 3 2019-2024 Cat Back Exhaust installed\"\/><\/figure>\n\n\n\n<p>If you have a Mazda 3 with Cylinder Deactivation, this is not an issue with the CorkSport CBE. We include a bracket made from 304 stainless steel, which holds the cylinder deactivation motor securely up and out of the way. The purpose behind this bracket is so that no check engine lights are set off by having it disconnected and also to get rid of the extra complexity and restriction of having a valve in the exhaust.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cat Back Provides Best Mazda 3 Fitment <\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"\/images\/4th-Gen_Mazda-3\/2019-up-Mazda-3-cat-back-exhaust-pipe\/gen4-2022-mazda-3-performance-cat-back-exhaust-kit.jpg\" alt=\"Mazda 3 Cat Back Exhaust tip sizes\n\"\/><\/figure>\n\n\n\n<p>Like the CorkSport <a href=\"https:\/\/corksport.com\/2019-mazda-3-and-cx-30-axle-back-exhaust.html\" title=\"Axle Back Exhaust for 2019+ Mazda 3 &amp; CX-30!\">Axle Back exhaust<\/a>, the CS cat back exhaust system has a variety of tip options to best suit your vehicle setup. We have different tip fitments for hatchback, hatchback with the OEM Mazda aero kit and sedan. The sedan tip option is the longest in order to fit the longer rear end of the sedan models.<\/p>\n\n\n\n<p>We specifically designed two different length tips for the Mazda 3 Hatchback due to the design of the Mazda Appearance Package. The rear bumper skirt adds a lot of length to the car\u2026hiding the tips from view. With the Appearance Package-specific design, the tips are prominent in the rear bumper skirt as they should be. (The Hatchback Appearance Package tips are 45mm longer than standard Hatchback tips).<\/p>\n\n\n\n<p>Each setup uses a different length to ensure great fitment no matter your car.  All tip options use a 90mm tip diameter to help fill out the bumper cutouts. Plus, each tip is finished off with a laser-engraved CorkSport logo plate to give a great look.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cat Back Exhaust&#8217;s Quality Finishes<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\" \/images\/4th-Gen_Mazda-3\/2019-up-Mazda-3-cat-back-exhaust-pipe\/BP-best-2024-Mazda-3-Cat-Back-Exhaust-Mod.jpg\" alt=\"Mazda 3 Cat Back Exhaust showing Mandrel Bent Stainless Steel \"\/><\/figure>\n\n\n\n<p>As with all CorkSport exhausts, the <a href=\"https:\/\/corksport.com\/mazda-exhausts\/mazda-3-exhaust-systems\/2019-mazda-3-exhausts-systems\" title=\"\">GEN4 Mazda 3<\/a> cat back exhaust is made from fully polished, mandrel bent, 304 stainless steel. This offers a fantastic look and smooth flow, with corrosion resistance to stand up to the test of time. Every exhaust is fully TIG welded and for further strength, each hanger location has extra reinforcement to keep your exhaust secure. The CorkSport CBE also comes with all the hardware and gaskets you need to make your installation a breeze!<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"\/images\/4th-Gen_Mazda-3\/2019-up-Mazda-3-cat-back-exhaust-pipe\/2023-mazda-3-cat-back-exhaust-hatchback.jpg\" alt=\"2019 Mazda 3 with Cat Back Exhaust Installed\"\/><\/figure>\n\n\n\n<p>That about does it for details on the CorkSport <a href=\"https:\/\/corksport.com\/2019-mazda-3-2.5l-cat-back-exhaust-system-63.5mm.html\" title=\"\">Best 2019+ Mazda 3 Cat Back Exhaust<\/a>! We strongly recommend you check out the video for sound clips, you\u2019re going to love it! Give us a call for any questions and submit a product request at this <a href=\"https:\/\/corksport.com\/product-ideas.html\">LINK<\/a> for any and all products you want us to investigate for future mods for your Mazda!<\/p>\n\n\n\n<p>P.S.&nbsp; Already have the Mazda 3 Axle Back Exhaust and want to upgrade to the full Cat Back Exhaust? Check out the <a href=\"https:\/\/corksport.com\/2019-mazda-3-exhaust-mid-pipe-kit.html\" title=\"\">Mazda 3 Mid Pipe Kit<\/a> to complete your exhaust system!<\/p>\n\n\n\n<p>P.P.S.S&nbsp; Have a turbo model and want to know if the exhaust fits? Good news! The CS CBE does fit but, we have a larger <a href=\"https:\/\/corksport.com\/2021-mazda-3-turbo-cat-back-exhaust-system-80mm.html\" title=\"\">cat back exhaust<\/a> designed specifically for turbo models, to ensure plenty of exhaust flow for future power upgrades!<\/p>\n\n\n\n<p><strong>Connect with us<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-social-links has-icon-background-color is-style-default is-layout-flex wp-block-social-links-is-layout-flex\"><li style=\"background-color: #000000; \" class=\"wp-social-link wp-social-link-facebook has-black-background-color wp-block-social-link\"><a href=\"https:\/\/facebook.com\/corksport\" class=\"wp-block-social-link-anchor\"><svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M12 2C6.5 2 2 6.5 2 12c0 5 3.7 9.1 8.4 9.9v-7H7.9V12h2.5V9.8c0-2.5 1.5-3.9 3.8-3.9 1.1 0 2.2.2 2.2.2v2.5h-1.3c-1.2 0-1.6.8-1.6 1.6V12h2.8l-.4 2.9h-2.3v7C18.3 21.1 22 17 22 12c0-5.5-4.5-10-10-10z\"><\/path><\/svg><span class=\"wp-block-social-link-label screen-reader-text\">Facebook<\/span><\/a><\/li>\n\n<li style=\"background-color: #000000; 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left: -5000px;\" aria-hidden=\"true\"><input type=\"text\" name=\"b_e4606fe9dea86de54999a1e19_18f69a7d27\" tabindex=\"-1\" value=\"\"><\/div>\n    <div class=\"clear\"><input type=\"submit\" value=\"Subscribe\" name=\"subscribe\" id=\"mc-embedded-subscribe\" class=\"button\"><\/div>\n    <\/div>\n<\/form>\n<\/div>\n<script type=\"text\/javascript\" src=\"\/\/s3.amazonaws.com\/downloads.mailchimp.com\/js\/mc-validate.js\"><\/script><script type=\"text\/javascript\">(function($) {window.fnames = new Array(); window.ftypes = new Array();fnames[0]='EMAIL';ftypes[0]='email';fnames[1]='FNAME';ftypes[1]='text';fnames[2]='LNAME';ftypes[2]='text';fnames[3]='ADDRESS';ftypes[3]='address';fnames[4]='PHONE';ftypes[4]='phone';}(jQuery));var $mcj = jQuery.noConflict(true);<\/script>\n<!--End mc_embed_signup-->\n","protected":false},"excerpt":{"rendered":"<p>Check out the the Best CorkSport Mazda 3 Cat Back Exhaust for 4th Gen models (2019-2024)! Building upon the already great CS Axle Back exhaust, the Mazda 3 CBE replaces the entire OEM exhaust system from the header back with high flowing 63.5mm piping and flow-thru resonators. This adds an aggressive sound that is great &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/corksport.com\/blog\/best-mazda-3-cat-back-exhaust-system-for-the-4th-gen\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Best Mazda 3 Cat Back Exhaust System for the 4th Gen&#8221;<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18,9],"tags":[34,10,1416,633],"class_list":["post-15572","post","type-post","status-publish","format-standard","hentry","category-cars","category-mazda3","tag-mazda","tag-mazda-3","tag-mazda-3-cat-back-exhaust","tag-mazda-3-exhaust"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/corksport.com\/blog\/wp-json\/wp\/v2\/posts\/15572"}],"collection":[{"href":"https:\/\/corksport.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/corksport.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/corksport.com\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/corksport.com\/blog\/wp-json\/wp\/v2\/comments?post=15572"}],"version-history":[{"count":5,"href":"https:\/\/corksport.com\/blog\/wp-json\/wp\/v2\/posts\/15572\/revisions"}],"predecessor-version":[{"id":16957,"href":"https:\/\/corksport.com\/blog\/wp-json\/wp\/v2\/posts\/15572\/revisions\/16957"}],"wp:attachment":[{"href":"https:\/\/corksport.com\/blog\/wp-json\/wp\/v2\/media?parent=15572"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/corksport.com\/blog\/wp-json\/wp\/v2\/categories?post=15572"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/corksport.com\/blog\/wp-json\/wp\/v2\/tags?post=15572"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}