{"product_id":"injen-performance-exhaust-system-2017-2021-honda-civic-si-sedan-ses1581tt","title":"Injen Performance Exhaust System | 2017-2021 Honda Civic Si Sedan (SES1581TT)","description":"\u003ch2 style=\"font-size:1.2rem;\"\u003eInjen Performance Exhaust System | 2017-2021 Honda Civic Si Sedan (SES1581TT)\u003c\/h2\u003e\u003cp\u003eThis Injen exhaust system (part number SES1581TT) is a performance upgrade for the 2017–2021 Honda Civic Si Sedan.\u003c\/p\u003e\u003ch2\u003eVehicle fitment\u003c\/h2\u003e\u003ch3\u003eManufacturer's vehicle list\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e2017–2021 Honda Civic Si Sedan\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eManufacturer fitment note:\u003c\/strong\u003e Please Note: Does not fit Coupe and Hatchback models\u003c\/p\u003e\u003ch3\u003eAs written in the product title\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eVehicle\u003c\/th\u003e\n\u003ctd\u003e2017-2021 Honda Civic Si Sedan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003ctd\u003e2017–2021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBody style\u003c\/th\u003e\n\u003ctd\u003eSedan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eWhere the two differ, go by the manufacturer's list.\u003c\/p\u003e\u003cp\u003eEngine, trim, drivetrain and options can change which part fits, so \u003ca href=\"\/pages\/contact-us\"\u003econtact mobileiGo\u003c\/a\u003e with your VIN if you are unsure.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eInjen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer part number\u003c\/th\u003e\n\u003ctd\u003eSES1581TT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eExhaust Components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003ePerformance upgrade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping weight\u003c\/th\u003e\n\u003ctd\u003e90.1 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eBefore you buy: exhaust component tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePipe diameter, flange type and connection points must match the parts before and after this component in your exhaust.\u003c\/li\u003e\n\u003cli\u003eEmissions-related parts such as catalytic converters and downpipes are regulated; check your state's rules, and in California look for a CARB Executive Order number.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003ch3\u003eWill the Injen SES1581TT fit my Honda?\u003c\/h3\u003e\u003cp\u003eIt is listed for the 2017–2021 Honda Civic Si Sedan. Check your engine, trim and options against the fitment table above before ordering.\u003c\/p\u003e\u003ch3\u003eWhat is the part number?\u003c\/h3\u003e\u003cp\u003eThe manufacturer part number is SES1581TT.\u003c\/p\u003e\u003ch3\u003eIs this exhaust part emissions legal in my state?\u003c\/h3\u003e\u003cp\u003eIf the manufacturer lists a CARB Executive Order (EO) number, it is noted on this page. Parts without one may be for off-road or competition use only in California and other states that follow CARB rules.\u003c\/p\u003e\u003ch3\u003eIs this part new?\u003c\/h3\u003e\u003cp\u003eYes. It is a new part sourced from an authorized distributor.\u003c\/p\u003e\u003ch2\u003eManufacturer description\u003c\/h2\u003e\u003cdiv class=\"tt-mfr\"\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ch2\u003e17-21 Honda Civic Si Sedan Performance Exhaust System by Injen\u003c\/h2\u003e\n\u003cp align=\"justify\"\u003eThe Injen Technology engineers are experts when it comes to performance, PERIOD. From Cars to Trucks to Powersports, Injen has a variety of exhaust systems to choose from.\u003c\/p\u003e\n\u003cp align=\"justify\"\u003eAll of Injen Technology Performance exhaust systems are constructed from mandrel bent stainless steel tubing Mandrel-bending ensures the tubing maintains its shapes and size throughout the entire length, providing smooth, unrestricted airflow. From the Investment cast flanges to the custom hangers, all Injen exhaust systems are 100% TIG welded and handcrafted in the USA and include all tubing, mufflers, and hardware necessary for a hassle free installation.\u003c\/p\u003e\n\u003cp align=\"justify\"\u003eEach system is uniquely designed to offer an aggressive sound that brings out some massive power. Like all other Injen products, the Injen exhaust systems are proudly built in Pomona, CA\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDirect fit for 2017-2021 Honda Civic Si L4-1.5L Turbo (Sedan Only)\u003c\/li\u003e\n\u003cli\u003eDyno Proven gains of up to 11 hp and 10 lb-ft. of torque\u003c\/li\u003e\n\u003cli\u003eStainless Steel Investment Cast Flanges For a Fast and Easy Install\u003c\/li\u003e\n\u003cli\u003eHand Crafted and Tig Welded to Perfection for Strength and Durability\u003c\/li\u003e\n\u003cli\u003eUnique Design Increases Exhaust Velocity (Depending on the Application)\u003c\/li\u003e\n\u003cli\u003e304 SS Mandrel-Bent Tubing\u003c\/li\u003e\n\u003cli\u003eDual 4.0\" Titanium Tips\u003c\/li\u003e\n\u003cli\u003ePremium Stainless Steel Hardware and Hangers (Depending on the Application)\u003c\/li\u003e\n\u003cli\u003eDesigned and Made in Pomona, CA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePlease Note: Does not fit Coupe and Hatchback models\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2017 - 2021 Honda Civic Si Sedan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's In The Box?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 - Injen Exhaust System\u003c\/li\u003e\n\u003cli\u003eGaskets, Hangers \u0026amp; Hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReferences\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstallation Instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInjen Technology offers a one-year warranty to the original purchaser against defects in material and workmanship on all their exhaust systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c!-- tt-ap-content v1 --\u003e","brand":"Injen","offers":[{"title":"Default Title","offer_id":67821320044863,"sku":"MAP INJ SES1581TT","price":1292.96,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1639\/5151\/files\/injen-inj-ses1581tt-7748359094342.jpg?v=1792539200","url":"https:\/\/www.mobileigo.com\/products\/injen-performance-exhaust-system-2017-2021-honda-civic-si-sedan-ses1581tt","provider":"mobileiGo.com","version":"1.0","type":"link"}