{"product_id":"porsche-valvetronic-exhaust-system-cayman-boxster-2016-fs-por-981gt4-vlvp","title":"Porsche Valvetronic Exhaust System - Cayman | Boxster | 2016  FS-POR-981GT4-VLVP","description":"\u003cp\u003ePorsche Valvetronic Exhaust System For Porsche 981 Cayman GT4 (2016-2016), 981 Boxster Spyder (2016-2016) Models.\u003c\/p\u003e\n\u003cp data-sourcepos=\"3:1-3:10\"\u003e\u003cstrong\u003eSOUND:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-sourcepos=\"5:1-11:0\"\u003e\n\u003cli data-sourcepos=\"5:1-5:164\"\u003e\n\u003cstrong\u003eTwo Distinct Tones:\u003c\/strong\u003e Offers a premium exhaust note with two distinct modes: a mild tone for everyday driving and an aggressive, wild roar when valves are open.\u003c\/li\u003e\n\u003cli data-sourcepos=\"6:1-6:103\"\u003e\n\u003cstrong\u003eCivilized Around Town:\u003c\/strong\u003e Engineered to be tame and livable in residential areas with valves closed.\u003c\/li\u003e\n\u003cli data-sourcepos=\"7:1-7:106\"\u003e\n\u003cstrong\u003eExhilarating GT4 Roar:\u003c\/strong\u003e Opening the valves unleashes a glorious roar befitting the GT4's performance.\u003c\/li\u003e\n\u003cli data-sourcepos=\"8:1-8:109\"\u003e\n\u003cstrong\u003eAbundant Burbles and Backfires:\u003c\/strong\u003e Expect plentiful burbles and backfires, especially during deceleration.\u003c\/li\u003e\n\u003cli data-sourcepos=\"9:1-9:96\"\u003e\n\u003cstrong\u003eAttention-Grabbing Downshifts:\u003c\/strong\u003e Downshifts produce a distinct bark that commands attention.\u003c\/li\u003e\n\u003cli data-sourcepos=\"10:1-11:0\"\u003e\n\u003cstrong\u003eHighly Engaging Sound:\u003c\/strong\u003e Described as capable of bringing a smile to even the most reserved individuals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-sourcepos=\"12:1-12:10\"\u003e\u003cstrong\u003ePOWER:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-sourcepos=\"14:1-20:0\"\u003e\n\u003cli data-sourcepos=\"14:1-14:153\"\u003e\n\u003cstrong\u003eSignificant Gains with Race Headers:\u003c\/strong\u003e When paired with Fabspeed's Race Headers, this Valvetronic Exhaust System can help achieve 420 HP in your GT4.\u003c\/li\u003e\n\u003cli data-sourcepos=\"15:1-15:124\"\u003e\n\u003cstrong\u003eImpressive Gains with Sport Headers:\u003c\/strong\u003e Even with Sport Headers, expect substantial power gains, reaching 408 Horsepower.\u003c\/li\u003e\n\u003cli data-sourcepos=\"16:1-16:108\"\u003e\n\u003cstrong\u003eTorque Dip Elimination:\u003c\/strong\u003e The exhaust suite effectively eliminates the torque dip in the 3500 RPM range.\u003c\/li\u003e\n\u003cli data-sourcepos=\"17:1-17:110\"\u003e\n\u003cstrong\u003eConsistent Power Increase:\u003c\/strong\u003e Provides power gains throughout the entire RPM range, all the way to redline.\u003c\/li\u003e\n\u003cli data-sourcepos=\"18:1-18:149\"\u003e\n\u003cstrong\u003eImproved Street Drivability:\u003c\/strong\u003e The increase in low-end power significantly enhances street drivability, especially with the GT4's longer gearing.\u003c\/li\u003e\n\u003cli data-sourcepos=\"19:1-20:0\"\u003e\n\u003cstrong\u003eThorough Development:\u003c\/strong\u003e Systems are 3D laser light scanned, CAD designed, dyno-developed, and rigorously tested on the street, racetrack, and Autobahn.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-sourcepos=\"21:1-21:13\"\u003e\u003cstrong\u003eFEATURES:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-sourcepos=\"23:1-32:117\"\u003e\n\u003cli data-sourcepos=\"23:1-23:129\"\u003e\n\u003cstrong\u003eExhaust Tip Options:\u003c\/strong\u003e Choose between real matte Carbon Fiber tips or in-house made Single Wall tips for a racecar aesthetic.\u003c\/li\u003e\n\u003cli data-sourcepos=\"24:1-24:132\"\u003e\n\u003cstrong\u003eEmissions Legal Cat-Back:\u003c\/strong\u003e This system is CAT-BACK emissions legal, bolting directly onto the OEM Porsche catalytic converters.\u003c\/li\u003e\n\u003cli data-sourcepos=\"25:1-25:81\"\u003e\n\u003cstrong\u003eLightweight Design:\u003c\/strong\u003e Weighs 7 lbs less than the factory rear muffler system.\u003c\/li\u003e\n\u003cli data-sourcepos=\"26:1-26:172\"\u003e\n\u003cstrong\u003eOptimized Piping:\u003c\/strong\u003e Features CNC Mandrel bent 2.5\" (63.5mm) precision inlet tubes leading to a Valvetronic rear system with a 2.5\" (63.5mm) ultra-high-flow rear X-pipe.\u003c\/li\u003e\n\u003cli data-sourcepos=\"27:1-27:200\"\u003e\n\u003cstrong\u003eProven Performance:\u003c\/strong\u003e Independently dyno-tested by multiple Porsche engine builders and Race Teams, claiming to produce more power than other systems with a world-class symphonic sports car sound.\u003c\/li\u003e\n\u003cli data-sourcepos=\"28:1-28:182\"\u003e\n\u003cstrong\u003ePremium Valves:\u003c\/strong\u003e Utilizes Helical Aerospace United Kingdom exhaust valves, the same ultra-reliable valves used on Porsche GT3 and GT3RS models, made with Silica carbide quality.\u003c\/li\u003e\n\u003cli data-sourcepos=\"29:1-29:186\"\u003e\n\u003cstrong\u003eExclusive Valve Technology:\u003c\/strong\u003e Strongly emphasizes the use of Helical exhaust valves, warning against the 100% guaranteed failure of cheap Chinese exhaust valves used by other brands.\u003c\/li\u003e\n\u003cli data-sourcepos=\"30:1-30:273\"\u003e\n\u003cstrong\u003eIndustry-Leading Valve Supplier:\u003c\/strong\u003e Highlights Fabspeed as the ONLY USA Company importing these super-premium exhaust valves from Helical Limited in Great Britain, a supplier to hypercar manufacturers like Porsche, McLaren, Ferrari, Gordon Murray Automotive, and Pagani.\u003c\/li\u003e\n\u003cli data-sourcepos=\"31:1-31:136\"\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Constructed from robust 14-16 gauge T304L stainless steel tubing for maximum power and long-term durability.\u003c\/li\u003e\n\u003cli data-sourcepos=\"32:1-32:117\"\u003e\n\u003cstrong\u003eEasy Bolt-On Installation:\u003c\/strong\u003e Designed for a direct bolt-on installation process, requiring no cutting or welding.\u003c\/li\u003e\n\u003c\/ul\u003e\n\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":"None \/ Polished Stainless Steel","offer_id":40856829558842,"sku":"FS.POR.981GT4.VLVP","price":4736.1,"currency_code":"USD","in_stock":true},{"title":"None \/ Carbon Fiber","offer_id":40856829624378,"sku":"FS.POR.981GT4.VLVCF","price":4736.1,"currency_code":"USD","in_stock":true},{"title":"None \/ Single Wall Brushed Stainless Steel","offer_id":40856829689914,"sku":"FS.POR.981GT4.VLVBR","price":4736.1,"currency_code":"USD","in_stock":true},{"title":"None \/ Satin Black","offer_id":40856829755450,"sku":"FS.POR.981GT4.VLVB","price":4736.1,"currency_code":"USD","in_stock":true},{"title":"None \/ Titanium","offer_id":40856829820986,"sku":"FS.POR.981GT4.VLVTI","price":4736.1,"currency_code":"USD","in_stock":true},{"title":"Porsche Slip-On Turndown Tips \/ Polished Stainless Steel","offer_id":40856829591610,"sku":"FS.POR.981GT4.VLVP.1","price":5121.92,"currency_code":"USD","in_stock":true},{"title":"Porsche Slip-On Turndown Tips \/ Carbon Fiber","offer_id":40856829657146,"sku":"FS.POR.981GT4.VLVCF.1","price":5121.92,"currency_code":"USD","in_stock":true},{"title":"Porsche Slip-On Turndown Tips \/ Single Wall Brushed Stainless Steel","offer_id":40856829722682,"sku":"FS.POR.981GT4.VLVBR.1","price":5121.92,"currency_code":"USD","in_stock":true},{"title":"Porsche Slip-On Turndown Tips \/ Satin Black","offer_id":40856829788218,"sku":"FS.POR.981GT4.VLVB.1","price":5121.92,"currency_code":"USD","in_stock":true},{"title":"Porsche Slip-On Turndown Tips \/ Titanium","offer_id":40856829853754,"sku":"FS.POR.981GT4.VLVTI.1","price":5121.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/4846\/2650\/files\/Porsche-Valvetronic-Exhaust-System-Cayman-Boxster-0.jpg?v=1747870396","url":"https:\/\/sierramadrecollection.com\/products\/porsche-valvetronic-exhaust-system-cayman-boxster-2016-fs-por-981gt4-vlvp","provider":"Sierra Madre Collection","version":"1.0","type":"link"}