{"product_id":"greddy-12-15-honda-civic-si-coupe-76mm-supreme-sp-cat-back-exhaust","title":"GReddy 12-15 Honda Civic Si Coupe 76mm Supreme SP Cat-Back Exhaust - 10158209","description":"GReddy 12-15 Honda Civic Si Coupe 76mm Supreme SP Cat-Back Exhaust\n\u003cp\u003eUpgrade the exhaust system on your 2012-2015 Honda Civic Si Coupe with the GReddy Supreme SP Cat-Back Exhaust, Part Number 10158209. Designed for enthusiasts seeking improved exhaust flow and a refined performance sound, this system replaces the factory cat-back assembly while maintaining vehicle-specific fitment for compatible Civic Si Coupe applications.\u003cbr\u003eThe 76mm exhaust configuration supports efficient exhaust gas flow and complements performance-focused modifications. GReddy's Supreme SP design delivers a clean, purposeful appearance and a deeper exhaust tone without compromising the fit and finish expected from a dedicated aftermarket system. Vehicle-specific construction helps simplify installation when used with the appropriate supporting components and hardware.\u003cbr\u003eThis GReddy exhaust is intended for 2012, 2013, 2014, and 2015 Honda Civic Si Coupe models. Confirm vehicle configuration and local regulations before installation. This product may require a California Air Resources Board emissions acknowledgment, and emissions legality can vary by location and application. Professional installation is recommended to ensure proper alignment, clearance, and secure mounting.\u003cbr\u003eBuilt for automotive performance applications, the GReddy Supreme SP Cat-Back Exhaust combines model-specific compatibility with a durable aftermarket design. It is a practical choice for Honda Civic Si Coupe owners who want to enhance the vehicle's exhaust character and support performance upgrades while retaining a cohesive, factory-style installation approach.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eVehicle Fitment: Fits 2012-2015 Honda Civic Si Coupe models\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eBrand: GReddy\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePart Number: 10158209\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eExhaust Type: Supreme SP cat-back exhaust system\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eExhaust Diameter: 76mm configuration for improved exhaust flow\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eApplication: Designed for automotive performance use\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEmissions Notice: California emissions acknowledgment may be required; verify local regulations before installation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eInstallation: Professional installation is recommended for proper fitment, alignment, and clearance\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2012:Honda:Civic:Si\u003cbr\u003e\n2013:Honda:Civic:Si\u003cbr\u003e\n2014:Honda:Civic:Si\u003cbr\u003e\n2015:Honda:Civic:Si","brand":"GReddy","offers":[{"title":"Default Title","offer_id":52798176461080,"sku":"GRE10158209","price":760.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0259\/7856\/8790\/files\/46bcae60-bb89-42eb-9dbf-0e981c5a9293-800.jpg?v=1790911004","url":"https:\/\/nipponpower.com\/products\/greddy-12-15-honda-civic-si-coupe-76mm-supreme-sp-cat-back-exhaust","provider":"Nippon Power","version":"1.0","type":"link"}