{"product_id":"2008-2014-lexus-isf-mufflered-axle-back-exhaust-system-is-f","title":"Circuit Werks Mufflered Axle-Back Exhaust Lexus IS F 2008–2014","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Circuit Werks Mufflered Axle-Back Exhaust System is designed for the 2008–2014 Lexus IS F, providing a performance-oriented rear exhaust upgrade while retaining the distinctive factory exhaust tips integrated into the rear bumper. The system includes the Y-pipe and rear muffler sections and is designed around the IS F's naturally aspirated 5.0L V8.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe exhaust uses a 70mm Y-pipe that transitions into dual 50mm muffler sections. Circuit Werks designed the mufflers and exhaust layout to provide a deeper, sportier V8 exhaust character that remains more subtle during normal driving and becomes more pronounced under acceleration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eComplete Axle-Back System:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Includes the Y-pipe and rear muffler sections for a comprehensive rear exhaust upgrade.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e70mm Y-Pipe:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Uses a 70mm main Y-pipe before transitioning into the dual rear exhaust sections.\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 into dual 50mm sections leading to the rear mufflers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eMufflered Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Uses rear mufflers to shape and control exhaust tone while providing a sportier sound than the factory exhaust system.\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 integrated into the rear bumper, maintaining the vehicle's factory exterior appearance.\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 provide the naturally aspirated IS F V8 with a deeper and more engaging exhaust character during startup, 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 Circuit Werks uses muffler construction, pipe dimensions, and exhaust layout to tune the overall sound characteristics of the system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003ePolished Stainless Steel Construction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Manufactured from highly polished stainless steel for durability, corrosion resistance, and a premium finish.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eTIG-Welded Construction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Hand built and TIG welded as part of Circuit Werks' manufacturing process.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eApproximately 35 Pounds:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Circuit Werks lists the complete system weight at approximately 35 lbs.\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 70mm Y-pipe\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCircuit Werks dual rear muffler sections\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: Mufflered Axle-Back Exhaust System\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExhaust Configuration: Axle-Back\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMaterial: Stainless Steel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFinish: High Polished\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eY-Pipe Diameter: 70mm\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\u003eRear Mufflers: 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\u003eSystem Weight: Approximately 35 lbs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eConstruction: Hand Built\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWelding: TIG Welded\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDonut Gasket: Factory Gasket Reused\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 Y-pipe and rear muffler sections.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThis is an axle-back system and does not include the Circuit Werks resonated mid-pipe.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned to retain the factory exhaust tips integrated into 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\u003eUses a 70mm Y-pipe that transitions into dual 50mm rear muffler sections.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSystem weight is approximately 35 lbs according to Circuit Werks.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReuses the factory donut gasket.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVerify the condition of the factory donut gasket before installation and replace it if worn or damaged.\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 the mid-pipe and other installed exhaust components.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCircuit Werks states that this product comes with a limited warranty from the purchase date. Verify current warranty terms and coverage before purchase.\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 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 mufflered axle-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 a 70mm Y-pipe, dual 50mm muffler sections, polished stainless steel construction, and compatibility with the factory bumper exhaust tips, the Circuit Werks Axle-Back Exhaust provides IS F owners with a sportier V8 exhaust character while maintaining the distinctive factory rear appearance.\u003c\/span\u003e\u003c\/p\u003e","brand":"Circuit Werks","offers":[{"title":"Default Title","offer_id":52156079276353,"sku":"EX-LXF-SS (EX-LFX)","price":999.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0835\/9362\/5921\/files\/lunaticsco-circuit-werks-lexus-is-f-exhaust.jpg?v=1788318893","url":"https:\/\/lunaticsco.com\/products\/2008-2014-lexus-isf-mufflered-axle-back-exhaust-system-is-f","provider":"LunaticsCo","version":"1.0","type":"link"}