{"product_id":"porsche-headers-and-catalytic-converters-boxster-cayman-2013-2016-fs-por-981-mh-sc","title":"Porsche Headers And Catalytic Converters - Boxster | Cayman | 2013-2016  FS-POR-981-MH-SC","description":"\u003cp\u003ePorsche RENNKRAFT Modular Headers With HJS Catalytic Converters For Porsche 981 Boxster (2013-2016), 981 Cayman (2013-2016) Models.\u003c\/p\u003e\n\u003cp data-sourcepos=\"3:1-3:754\"\u003eThese CAD-designed and USA-Patented modular headers represent the ultimate solution for Porsche Cayman or Boxster owners seeking significant power gains and an enhanced sports car sound. Our patented RENNKRAFT modular design incorporates a quick-release V-band connector, allowing you to effortlessly switch between our \u003cstrong\u003eHJS German-Imported, European Certified, and European Homologated 200-cell catalytic converters\u003c\/strong\u003e for street use and \u003cstrong\u003ecat bypass \"straight pipes\" for dedicated Race Track competition ONLY.\u003c\/strong\u003e RENNKRAFT, meaning \"race power\" in German, embodies the innovative precision engineering that delivers both \u003cstrong\u003estreet-legal, EPA-compliant high-performance catalytic converters\u003c\/strong\u003e and true racetrack functionality in one exceptional package.\u003c\/p\u003e\n\u003cp data-sourcepos=\"5:1-5:10\"\u003e\u003cstrong\u003eSOUND:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-sourcepos=\"7:1-7:686\"\u003eWhen equipped with Fabspeed-imported HJS HD 200-cell catalytic converters, you'll experience a significantly more aggressive exhaust note with a raw, high-pitched Flat-6 sound. Higher frequency tones become more defined, and off-throttle burbles are more robust and transparent. Installing the cat bypass pipes prepares your vehicle for all-out Race Competition, allowing you to preserve your catalytic converters from sustained, high-abuse competition. While not excessively loud, the sound becomes incredibly aggressive and race-bred, completely transforming the character of your car. \u003cstrong\u003ePlease note: Cat bypass pipes are 100% illegal to be sold and installed on street-driven cars.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-sourcepos=\"9:1-9:13\"\u003e\u003cstrong\u003eFEATURES:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-sourcepos=\"11:1-30:177\"\u003e\n\u003cli data-sourcepos=\"11:1-11:112\"\u003e\n\u003cstrong\u003ePremium Construction:\u003c\/strong\u003e Crafted from CNC mandrel-bent T304L stainless steel for optimal flow and durability.\u003c\/li\u003e\n\u003cli data-sourcepos=\"12:1-12:199\"\u003e\n\u003cstrong\u003eUS EPA and European Compliant Catalytic Converters:\u003c\/strong\u003e Features HJS German catalytic converters that are US EPA compliant and European certified and homologated for street legality when installed.\u003c\/li\u003e\n\u003cli data-sourcepos=\"13:1-13:216\"\u003e\n\u003cstrong\u003eIndustry-Leading Design:\u003c\/strong\u003e Fabspeed is the \u003cstrong\u003eWorld's Very First Company\u003c\/strong\u003e to design, engineer, and 3D scan aftermarket headers for water-cooled Porsche cars, ensuring unparalleled experience and superior quality.\u003c\/li\u003e\n\u003cli data-sourcepos=\"14:1-14:128\"\u003e\n\u003cstrong\u003eSignificant Performance Gains:\u003c\/strong\u003e Delivers impressive power and performance increases of \u003cstrong\u003e+25 HP and +20 ft-lbs of torque\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-sourcepos=\"15:1-15:160\"\u003e\n\u003cstrong\u003eWeight Savings:\u003c\/strong\u003e Saves \u003cstrong\u003e2 lbs \/ 0.9 KGs\u003c\/strong\u003e with the Sport Cats installed and \u003cstrong\u003e7 lbs \/ 3.2 KGs\u003c\/strong\u003e with the Cat Bypass pipes compared to the factory headers.\u003c\/li\u003e\n\u003cli data-sourcepos=\"16:1-16:198\"\u003e\n\u003cstrong\u003ePatented Modular Design:\u003c\/strong\u003e Awarded a \u003cstrong\u003eUSA Patent\u003c\/strong\u003e for its innovative modular design utilizing a quick-release V-band clamp for rapid swapping between catalytic converters and cat bypass pipes.\u003c\/li\u003e\n\u003cli data-sourcepos=\"17:1-17:201\"\u003e\n\u003cstrong\u003eQUICKTRACK Compatibility:\u003c\/strong\u003e The RENNKRAFT system allows for the quick installation of our \u003cstrong\u003eQUICKTRACK cat bypass pipes\u003c\/strong\u003e specifically for racing and dedicated racetrack-only competition events.\u003c\/li\u003e\n\u003cli data-sourcepos=\"18:1-18:129\"\u003e\n\u003cstrong\u003eUnique Patented System:\u003c\/strong\u003e The RENNKRAFT system holds a \u003cstrong\u003eUS Patent\u003c\/strong\u003e and is the only system of its kind available worldwide.\u003c\/li\u003e\n\u003cli data-sourcepos=\"19:1-19:370\"\u003e\n\u003cstrong\u003eTrack Protection and Street Compliance:\u003c\/strong\u003e Switching to cat bypass pipes for track events prevents catalytic converter degradation during intense competition. Additionally, if your catalytic converter eventually fails due to high mileage, you can purchase new HJS catalytic converters for quick installation, restoring US EPA emissions compliance and street legality.\u003c\/li\u003e\n\u003cli data-sourcepos=\"20:1-20:116\"\u003e\n\u003cstrong\u003eOptimized Flow:\u003c\/strong\u003e Incorporates F1-style high-velocity merge collectors for maximum exhaust scavenging and power.\u003c\/li\u003e\n\u003cli data-sourcepos=\"21:1-21:140\"\u003e\n\u003cstrong\u003ePerfect Bolt-On Fitment:\u003c\/strong\u003e Engineered from precise 3D scans of the OEM headers to ensure a perfect and hassle-free bolt-on installation.\u003c\/li\u003e\n\u003cli data-sourcepos=\"22:1-22:191\"\u003e\n\u003cstrong\u003eHigh-Performance Catalytic Converters:\u003c\/strong\u003e Utilizes German-made and imported HJS HD trimetallic 200-cell \u003cstrong\u003eEUROPEAN Certified\u003c\/strong\u003e catalytic converters for optimal performance and reliability.\u003c\/li\u003e\n\u003cli data-sourcepos=\"23:1-23:144\"\u003e\n\u003cstrong\u003eMaximum Flow Capacity:\u003c\/strong\u003e Designed with the largest catalytic converters that will fit in the factory location for unrestricted exhaust flow.\u003c\/li\u003e\n\u003cli data-sourcepos=\"24:1-24:192\"\u003e\n\u003cstrong\u003eNear Straight-Pipe Flow:\u003c\/strong\u003e Flows an impressive \u003cstrong\u003e93% of a straight pipe\u003c\/strong\u003e, confirming through dyno testing that there is \u003cstrong\u003eabsolutely no power gained\u003c\/strong\u003e by running illegal cat bypass pipes.\u003c\/li\u003e\n\u003cli data-sourcepos=\"25:1-25:174\"\u003e\n\u003cstrong\u003eGuaranteed No CEL (with Sport Cats):\u003c\/strong\u003e Optimized for maximum performance without triggering a catalyst-generated check engine light when the HJS Sport Cats are installed.\u003c\/li\u003e\n\u003cli data-sourcepos=\"26:1-26:134\"\u003e\n\u003cstrong\u003eNo ECU Tune Required:\u003c\/strong\u003e Designed for simple bolt-on installation and immediate performance gains without the need for an ECU tune.\u003c\/li\u003e\n\u003cli data-sourcepos=\"27:1-27:167\"\u003e\n\u003cstrong\u003eExclusive HJS Importer:\u003c\/strong\u003e \u003cstrong\u003eONLY FABSPEED USA\u003c\/strong\u003e is exclusively authorized by HJS Emissions Germany to import and distribute their world-class catalytic converters.\u003c\/li\u003e\n\u003cli data-sourcepos=\"28:1-28:155\"\u003e\n\u003cstrong\u003eUniversal Exhaust Compatibility:\u003c\/strong\u003e Designed to fit seamlessly with any brand of aftermarket exhaust system that is compatible with the factory headers.\u003c\/li\u003e\n\u003cli data-sourcepos=\"29:1-29:168\"\u003e\n\u003cstrong\u003eExpert Engineering:\u003c\/strong\u003e Backed by over 25 years of dedicated experience in air-cooled and water-cooled Porsche design, resulting in meticulously hand-crafted headers.\u003c\/li\u003e\n\u003cli data-sourcepos=\"30:1-30:177\"\u003e\n\u003cstrong\u003eSimple DIY Installation:\u003c\/strong\u003e Engineered for straightforward do-it-yourself bolt-on installation – simply unbolt the old headers and replace them with the new Fabspeed headers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-sourcepos=\"3:1-3:13\"\u003e\u003cstrong\u003eReturns subject to a 25% restocking fee.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Fabspeed","offers":[{"title":"Sport Cats","offer_id":40857337266234,"sku":"FS.POR.981.MH.SC","price":5070.23,"currency_code":"USD","in_stock":true},{"title":"Sport Cat + Cat Bypass Pipes","offer_id":40857337299002,"sku":"FS.POR.981.MH.SCCB","price":5565.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/4846\/2650\/files\/Porsche-Headers-And-Catalytic-Converters-Boxster-C-0.jpg?v=1747817731","url":"https:\/\/sierramadrecollection.com\/products\/porsche-headers-and-catalytic-converters-boxster-cayman-2013-2016-fs-por-981-mh-sc","provider":"Sierra Madre Collection","version":"1.0","type":"link"}