{"product_id":"stone-exhaust-volkswagen-ea888-mk7-golf-r-cat-back-valvetronic-exhaust","title":"Stone Exhaust Valvetronic Cat-Back for VW\/Volkswagen Golf R Mk7 2.0 TSI\/2.0T EA888 Gen 3 (2014-2017) - Switchable Dual-Valve Active Exhaust, Remote OBD2 Plug \u0026 Play - Performance Catback Exhaust System - GP505S","description":"\u003cdiv class=\"product__description rte\"\u003e\n  \u003ch2\u003eStone Exhaust switchable valve cat back for VW R Mk7 2.0 TSI EA888 - GP505S\u003c\/h2\u003e\n  \n  \u003cp\u003eUnlock the soundtrack and extra shove your VW R Mk7 deserves. This Stone Exhaust valve-controlled rear section is tailor made for the 2014 to 2017 Golf R with the EA888 2.0 turbo motor, delivering a deep, purposeful tone when you want drama and a calm, drone free drive when you want comfort. It is a precise, bolt-on upgrade developed with 3D scanning, reverse engineering and in-house dyno testing for OEM style fitment and real gains.\u003c\/p\u003e\n  \n  \u003cp\u003eIf you are hunting for a switchable valve exhaust for a VW R Mk7, a plug-in OBD2 remote controlled system, a performance cat back for a 2.0 TSI EA888, or simply a louder yet refined Golf R exhaust upgrade, this is the enthusiast favourite. Perfect for daily use, weekend blasts and track days.\u003c\/p\u003e\n  \n  \u003ch3\u003eHighlights that enthusiasts care about\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eExact fit for VW Golf R Mk7 2.0 TSI EA888, model years 2014 to 2017\u003c\/li\u003e\n    \u003cli\u003eDual valve architecture with remote control - choose Loud, Quiet or Auto modes\u003c\/li\u003e\n    \u003cli\u003eOBD2 plug-in controller for a clean, fast, plug and play install with no complex wiring\u003c\/li\u003e\n    \u003cli\u003eRefined cabin with valves closed - eliminates the tiring drone of the factory system\u003c\/li\u003e\n    \u003cli\u003eStone in-house dyno developed for measurable performance and an authentic motorsport tone\u003c\/li\u003e\n    \u003cli\u003e3D scanned and reverse engineered for precise OEM style alignment and clearance\u003c\/li\u003e\n    \u003cli\u003eOne-piece section design with precise mechanical welding for strength and longevity\u003c\/li\u003e\n    \u003cli\u003e7 axis CNC bending - up to 98 percent roundness and accuracy within 0.025 mm\u003c\/li\u003e\n    \u003cli\u003eCrisscross and overlapping welds plus direct spot welding by mechanical arms for high temperature durability\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003eProven power and torque\u003c\/h3\u003e\n  \u003cp\u003eValidated on Stone’s dyno for the EA888 Mk7 R platform:\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003ePower increase: +12.7 PS\u003c\/li\u003e\n    \u003cli\u003eTorque increase: +44.12 Nm\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eExpect sharper throttle response, stronger mid-range pull and that unmistakable Stone Exhaust character.\u003c\/p\u003e\n  \n  \u003ch3\u003eRemote control made easy\u003c\/h3\u003e\n  \u003cp\u003eOpen or close the valves at the press of a button, or set Auto to trigger at your chosen RPM. The control unit connects via the OBD2 port, so installation is quick and tidy.\u003c\/p\u003e\n  \n  \u003ch3\u003eFitment\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eVW Golf R Mk7 2.0 TSI EA888 - 2014, 2015, 2016, 2017\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003eEngineering detail that makes the difference\u003c\/h3\u003e\n  \u003cp\u003eStone’s process starts by 3D scanning the factory system to analyse diameters, routing and bend geometry, then applying flow simulation to optimise gas velocity, thermal behaviour and pressure zones. The result is a rear system that fits like original equipment, flows better and sounds right.\u003c\/p\u003e\n  \u003cp\u003eWith 7 axis CNC bending achieving up to 98 percent roundness and accuracy within 0.025 mm, plus crisscross and overlapping welds and robotic spot welding, this system is built to perform under heat and last.\u003c\/p\u003e\n  \n  \u003ch3\u003eTried, fitted and loved by our customers\u003c\/h3\u003e\n  \u003cp\u003eWe have installed and run this Stone system on customer cars and our own projects. Feedback is consistently positive - aggressive and sporty with valves open, calm and civil with valves closed, with a noticeable performance uplift.\u003c\/p\u003e\n  \n  \u003ch3\u003eProfessional fitting and support\u003c\/h3\u003e\n  \u003cp\u003eWant it installed right first time? Book professional fitting with MJ Modifications in Warwickshire. Request a quote or technical help at info@mjmodifications.co.uk.\u003c\/p\u003e\n  \n  \u003ch3\u003ePart number\u003c\/h3\u003e\n  \u003cp\u003eGP505S\u003c\/p\u003e\n  \n  \u003ch3\u003eManufacturer and warranty\u003c\/h3\u003e\n  \u003cp\u003eManufactured by Stone Exhaust with a 2 year Stone Exhaust warranty.\u003c\/p\u003e\n  \n  \u003ch3\u003ePopular searches\u003c\/h3\u003e\n  \u003cp\u003eVW R Mk7 exhaust upgrade, Golf R 2.0 TSI EA888 sports exhaust, switchable valve exhaust VW R, remote controlled exhaust Golf R, OBD2 valve controller exhaust, Golf R 2014 2017 performance exhaust, UK Golf R cat back system, Stone Exhaust GP505S, Golf R switchable exhaust UK, VW R Mk7 rear section upgrade, performance exhaust for EA888 Gen 3.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Stone Exhaust","offers":[{"title":"Slant Cut Gloss Carbon Fiber (100mm)","offer_id":56006644564354,"sku":null,"price":2741.76,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/StoneExhaustPorscheE3CayenneS2.9TCat-BackValvetronicExhaustSystem_1.1_1024x1024_2x_8264075f-5bdd-49ed-a970-895d80460b26.webp?v=1764059609","url":"https:\/\/mjmodifications.co.uk\/products\/stone-exhaust-volkswagen-ea888-mk7-golf-r-cat-back-valvetronic-exhaust","provider":"MJ Modifications","version":"1.0","type":"link"}