{"product_id":"cat-back-exhaust-for-honda-civic-2017-2021-1-5l","title":"Cat Back Exhaust for Honda Civic (2017-2021) 1.5L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Flow Cat Back Exhaust for 2017-2021 Honda Civic (FC\/FK)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Cat Back Exhaust replaces restrictive factory post-catalytic piping on the 2017-2021 Honda Civic 1.5L to lower backpressure, accelerate exhaust gas velocity, and deepen the exhaust tone.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Honda Civic Exhaust Restriction\u003c\/h3\u003e\n\u003cp\u003eFactory exhaust plumbing on the 10th-generation \u003cstrong\u003eFC\/FK\u003c\/strong\u003e Civic relies on narrow-diameter tubing, press-bent pinch points, and heavy, multi-chambered mufflers. On forced-induction platforms powered by the \u003cstrong\u003eL15B7\u003c\/strong\u003e turbocharged engine, these bottlenecks create excessive exhaust gas backpressure behind the turbine housing. This residual heat buildup impairs spool characteristics, dampens acoustic feedback to a muted hum, and limits high-RPM scavenging efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eFabricated from corrosion-resistant 304 stainless steel, this cat-back system replaces restrictive OEM runs with continuous mandrel-bent tubing and a straight-through canister architecture. By removing sharp directional internal baffles, the system significantly reduces post-catalyst flow turbulence and thermal retention, allowing the 1.5-liter turbo to breathe freely under boost. Precision-welded joints and durable hanger brackets guarantee structural integrity under aggressive vibrational loads, matching factory mounting points for a direct-fit installation.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCat-back exhaust piping\u003c\/li\u003e\n  \u003cli\u003eIntegrated exhaust tip section\u003c\/li\u003e\n  \u003cli\u003eMounting hardware as pictured\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; min-width: 300px;\"\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e2017-2021 Honda Civic\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e\n\u003cstrong\u003eL15B7\u003c\/strong\u003e 1.5L Turbo \/ \u003cstrong\u003eFC1\/FC3\/FK7\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e174-205 hp \/ 162-192 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e\u003cstrong\u003eB-EXT-MP008-2\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2017 Honda Civic 1.5L Turbo\u003c\/li\u003e\n  \u003cli\u003e2018 Honda Civic 1.5L Turbo\u003c\/li\u003e\n  \u003cli\u003e2019 Honda Civic 1.5L Turbo\u003c\/li\u003e\n  \u003cli\u003e2020 Honda Civic 1.5L Turbo\u003c\/li\u003e\n  \u003cli\u003e2021 Honda Civic 1.5L Turbo\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the FC\/FK Civic?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2017-2021 Honda Civic equipped with the \u003cstrong\u003eL15B7\u003c\/strong\u003e 1.5L engine. \u003cstrong\u003eThis system does not fit naturally aspirated 2.0L (K20C2) or Civic Type R 2.0L Turbo (K20C1) models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eAre gaskets and installation fasteners provided?\u003c\/h4\u003e\n\u003cp\u003eMounting hardware is included as shown; always torque fasteners to factory specs and check for leaks post-install.\u003c\/p\u003e\n\n\u003ch3\u003eThe Honda Tuning Caliber\u003c\/h3\u003e\n\u003cp\u003eEngineered to complement modern JDM turbo architecture, this 304 stainless cat-back delivers a sharp, clean acoustic profile while freeing up critical exhaust flow under sustained boost.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":68046663287032,"sku":"DS-EV749U03R","price":519.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/cat-back-exhaust-for-honda-civic-2017-2021-1-5l-1.jpg?v=1794268035","url":"https:\/\/performancechiptuning.com\/fr\/products\/cat-back-exhaust-for-honda-civic-2017-2021-1-5l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}