{"product_id":"injen-performance-exhaust-system-for-2017-2020-honda-civic-si-sedan-part-number-injses1581tt","title":"Injen Performance Exhaust System for 2017-2020 Honda Civic Si Sedan – Part Number injSES1581TT","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eThe Injen Technology 17-20 Honda Civic Si 1.5L Turbo Cat-Back Exhaust System is engineered for enthusiasts seeking increased performance, superior sound, and a bold aesthetic. Crafted from high-quality 304 stainless steel, this system features mandrel-bent tubing that maintains its shape for optimal airflow and durability. All components, including investment cast flanges and custom hangers, are 100% TIG welded in the USA, ensuring strength and a precise fit. The full 3-inch diameter piping is designed to seamlessly replace stock exhaust components without the need for cutting or welding, simplifying installation and reducing downtime. This system includes a mid-section pipe with an integrated resonator and dual 4-inch burnt titanium tips, offering an aggressive look complemented by a crisp, clean exhaust note. Dyno testing has proven gains of up to 11 horsepower and 10 lb-ft of torque, making this exhaust a performance upgrade for serious drivers.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eMandrel-bent stainless steel tubing for smooth airflow and durability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eFull 3-inch diameter piping with precision TIG welding for strength\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes mid-section pipe with resonator for refined sound\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDual 4-inch burnt titanium tips for an aggressive appearance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eInvestment cast flanges and premium hardware for easy installation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eNo cutting or welding required for installation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDyno-proven power gains of up to 11 HP and 10 lb-ft torque\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCenter exit design fits with factory rear valance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eManufactured and handcrafted in Pomona, California, USA\u003c\/li\u003e\u003c\/ul\u003e\n\n\u003cp\u003eFitment:\n\u003cbr\u003e2017 Honda Civic Si\n\u003cbr\u003e2018 Honda Civic Si\n\u003cbr\u003e2019 Honda Civic Si\n\u003cbr\u003e2020 Honda Civic Si\u003c\/p\u003e","brand":"Injen","offers":[{"title":"Default Title","offer_id":45931270832327,"sku":"injSES1581TT","price":1109.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/088bd65e77582c39628064ff09362be0.jpg?v=1765232700","url":"https:\/\/mainstreeteshop.com\/products\/injen-performance-exhaust-system-for-2017-2020-honda-civic-si-sedan-part-number-injses1581tt","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}