{"product_id":"2008-2014-lexus-isf-catback-exhaust-system-is-f","title":"Circuit Werks Cat-Back Exhaust System Lexus IS F 2008–2014","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Circuit Werks Cat-Back Exhaust System is designed for the 2008–2014 Lexus IS F, providing a complete exhaust upgrade that includes the mid-pipe, Y-pipe, and rear muffler sections. Designed specifically around the IS F's naturally aspirated V8, the system uses 70mm (2.75-inch) main piping with a resonated straight-through configuration to produce a deeper, sportier exhaust character.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Y-pipe transitions the main exhaust section into dual 50mm muffler sections while retaining the factory Lexus exhaust tips integrated into the rear bumper. O2 sensor bungs and exhaust gaskets are included, providing a comprehensive cat-back solution without changing the factory rear tip appearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eComplete Cat-Back System:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Includes the mid-pipe, Y-pipe, and rear muffler sections for a comprehensive exhaust upgrade.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e70mm Main Exhaust Piping:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Uses 70mm (approximately 2.75-inch) main piping through the exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eDual 50mm Muffler Sections:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The Y-pipe splits the exhaust into dual 50mm sections leading to the rear mufflers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eResonated Straight-Through Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Combines a straight-through exhaust configuration with an integrated resonator to provide a performance-oriented exhaust tone while helping manage undesirable resonance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eRetains Factory Exhaust Tips:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed to work with the original Lexus IS F exhaust tips located in the rear bumper, maintaining the vehicle's factory exterior appearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eIntegrated Y-Pipe:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Includes the Y-pipe required to transition from the main exhaust piping into the dual rear muffler sections.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eO2 Sensor Bungs:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Equipped with O2 sensor bungs as part of the exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eSportier V8 Sound:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed to give the naturally aspirated IS F V8 a deeper and more engaging exhaust character during startup, daily driving, acceleration, and spirited driving.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eSound-Controlled Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The resonator, mufflers, pipe dimensions, and overall exhaust layout are designed to shape the sound characteristics of the system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eGaskets Included:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Exhaust gaskets are included for installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWhat's Included\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCircuit Werks resonated mid-pipe\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCircuit Werks Y-pipe\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCircuit Werks rear muffler sections\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExhaust gaskets\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eVehicle Fitment\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eLexus IS F (2008–2014)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eChassis: USE20\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEngine: 5.0L V8\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEngine Code: 2UR-GSE\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFactory bumper exhaust tips are retained\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBrand: Circuit Werks\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProduct Type: Cat-Back Exhaust System\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExhaust Configuration: Cat-Back\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMain Piping Diameter: 70mm \/ 2.75 inches\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRear Muffler Piping Diameter: Dual 50mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMid-Pipe Design: Straight-Through with Resonator\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eResonator: Included\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eY-Pipe: Included\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRear Mufflers: Included\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eO2 Sensor Bungs: Included\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExhaust Tips: Factory Lexus IS F Tips Retained\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGaskets: Included\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eImportant Notes\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eFits 2008–2014 Lexus IS F applications.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncludes the mid-pipe, Y-pipe, and rear muffler sections.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned to retain the factory exhaust tips located in the rear bumper.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFactory exhaust tips are not replaced by this system.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMain exhaust piping measures 70mm (approximately 2.75 inches).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eY-pipe transitions into dual 50mm rear muffler sections.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFeatures a straight-through configuration with an integrated resonator.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eO2 sensor bungs are incorporated into the exhaust system.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExhaust gaskets are included.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVerify vehicle year, model, engine, and existing exhaust configuration before ordering.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExhaust sound and volume will differ from the factory exhaust system.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFinal exhaust tone and volume can vary depending on other vehicle and exhaust modifications.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProfessional installation is recommended.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInspect and retighten exhaust hardware after initial heat cycles.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExhaust modifications may be subject to federal, state, and local noise or emissions regulations. The purchaser is responsible for verifying that installation and use comply with applicable laws.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWhy Choose Circuit Werks?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCircuit Werks develops performance exhaust components for enthusiast vehicles with a focus on application-specific fitment, exhaust sound, and performance-oriented configurations. This complete cat-back system is designed specifically around the Lexus IS F and its naturally aspirated 5.0L V8.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith 70mm main piping, a resonated mid-pipe, Y-pipe, dual 50mm rear muffler sections, and compatibility with the factory bumper exhaust tips, the Circuit Werks Cat-Back Exhaust System provides a comprehensive upgrade for IS F owners looking for a sportier V8 exhaust character while maintaining the factory rear appearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"Circuit Werks","offers":[{"title":"Default Title","offer_id":52156079767873,"sku":"EX-LXF-SS (EX-LFX) \u0026 MPF1","price":1674.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0835\/9362\/5921\/files\/lunaticsco-circuit-werks-lexus-isf-exhaust.jpg?v=1788318686","url":"https:\/\/lunaticsco.com\/products\/2008-2014-lexus-isf-catback-exhaust-system-is-f","provider":"LunaticsCo","version":"1.0","type":"link"}