{"product_id":"stone-exhaust-porsche-95b-cat-back-valvetronic-exhaust-system-inc-macan-s-3-0t-macam-turbo-3-6t","title":"Stone Exhaust Valvetronic Catback (Cat-Back) for Porsche Macan 95B – Switchable\/Active Valved Performance Exhaust w\/ Remote \u0026 OBD – Fits Macan S 3.0T (2014+ \u0026 G2) \u0026 Macan Turbo 3.6T – Dyno Proven, Anti-Drone, OPF\/GPF Delete, Back Box\/Muffler","description":"\u003cdiv class=\"product__description rte\"\u003e\n  \n  \u003ch2\u003eStone Exhaust switchable cat back system for Porsche Macan 95B S 3.0 V6 and Turbo 3.6 V6\u003c\/h2\u003e\n  \n  \u003cp\u003e\n    Turn your Macan into the car it should have been from the factory. This Stone Exhaust rear section delivers a richer tone, sharper response and everyday refinement, with on demand valve control via a neat remote key fob and plug in OBD port module. Developed from comprehensive 3D scans of the original hardware for factory like fit, it bolts straight up and transforms the soundtrack while keeping the cabin civil when you want it quiet.\n  \u003c\/p\u003e\n  \n  \u003cp\u003e\n    We’ve installed this kit for customers and on our own builds and the feedback has been excellent. Fitment is bang on, the valve control is smooth and reliable, and the sound is exactly what Macan owners want from a premium sports exhaust upgrade.\n  \u003c\/p\u003e\n  \n  \u003ch3\u003eWhy enthusiasts choose this setup\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eActive, switchable valves with remote controller for Quiet, Open and Auto modes\u003c\/li\u003e\n    \u003cli\u003eOBD plug in control module for quick, reversible installation\u003c\/li\u003e\n    \u003cli\u003eSingle piece layout with precise jig welded construction for perfect alignment\u003c\/li\u003e\n    \u003cli\u003eDigitally modelled from OEM components for a genuine bolt on experience\u003c\/li\u003e\n    \u003cli\u003eIn house dyno verified gains with a deep, refined tone that avoids intrusive cabin boom\u003c\/li\u003e\n    \u003cli\u003e7 axis CNC mandrel bending for consistent cross section and optimal gas flow\u003c\/li\u003e\n    \u003cli\u003eAdvanced weld techniques at high heat joints for long term durability\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003eHave it loud or keep it subtle\u003c\/h3\u003e\n  \u003cp\u003e\n    Use the handheld controller to open the valves for a more aggressive, motorsport inspired note, or close them for relaxed cruising and early morning starts. Select Auto and the system manages valve position by engine speed so you can enjoy quiet around town and a fuller roar when you lean on the throttle.\n  \u003c\/p\u003e\n  \n  \u003ch3\u003eMeasured performance\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003ePower gain: +8.48 ps at 4900 rpm\u003c\/li\u003e\n    \u003cli\u003eTorque gain: +13.83 Nm at 3100 rpm\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\n    Real world improvements in flow and reduced back pressure are immediately noticeable. Results vary with mileage and supporting hardware.\n  \u003c\/p\u003e\n  \n  \u003ch3\u003eOPF solution available\u003c\/h3\u003e\n  \u003cp\u003e\n    Running an OPF equipped Macan. Stone supplies an OPF delete configuration at no extra cost so OPF cars can be fitted without triggering a fault light. No ECU coding required to clear OPF related warnings. For road legality and emissions compliance, check local regulations.\n  \u003c\/p\u003e\n  \n  \u003ch3\u003eEngineered for precision\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eReverse engineered from OEM scans to optimise tube diameter, path and bend angles\u003c\/li\u003e\n    \u003cli\u003eApproximately 98 percent roundness retention through complex bends\u003c\/li\u003e\n    \u003cli\u003eCrisscross and overlapping welds to maximise penetration and thermal resilience\u003c\/li\u003e\n    \u003cli\u003eMechanised spot welding for repeatability and clean finishes\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003eCompatibility\u003c\/h3\u003e\n  \u003cp\u003e\n    Porsche Macan 95B platforms from 2014 onwards, including:\n  \u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eMacan S 3.0T V6\u003c\/li\u003e\n    \u003cli\u003eMacan S G2 3.0T V6\u003c\/li\u003e\n    \u003cli\u003eMacan Turbo 3.6T V6\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003ePart numbers\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eQP503ASQ - Macan S 3.0T and Macan Turbo 3.6T\u003c\/li\u003e\n    \u003cli\u003eQP503BSQ - Macan S G2 3.0T\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003eProfessional installation\u003c\/h3\u003e\n  \u003cp\u003e\n    The valve controller connects to the OBD port for a straightforward, plug in setup. For expert fitting and alignment, book with MJ Modifications in Warwickshire. Request a quote at \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e.\n  \u003c\/p\u003e\n  \n  \u003ch3\u003eSearch terms to help you find the right kit\u003c\/h3\u003e\n  \u003cp\u003e\n    Porsche Macan 95B sports exhaust, Macan S V6 switchable exhaust, Macan Turbo 3.6 V6 active exhaust, Macan G2 3.0 V6 valve controlled muffler, Porsche Macan performance rear section, Macan cat back upgrade, Macan remote valve exhaust, plug and play OBD valve controller, Macan S back box upgrade, Porsche Macan sound upgrade, Macan anti drone exhaust, Stone Exhaust Macan 95B system, Macan OPF solution, Macan GPF option, best sounding exhaust for Macan S, Porsche Macan twin turbo V6 exhaust, Macan exhaust with remote, Macan active silencer, Macan performance system UK.\n  \u003c\/p\u003e\n  \n  \u003ch3\u003eR\u0026amp;D and manufacturing\u003c\/h3\u003e\n  \u003cp\u003e\n    Stone uses advanced simulation and scanning to analyse flow, temperature and pressure zones, iterating until the target sound and performance balance is achieved.\n  \u003c\/p\u003e\n  \u003cp\u003e\n    \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/1_9336c8b0-c9ea-4822-891c-83490f630707.jpg?v=1572705528\" alt=\"Stone Exhaust 3D scan derived fitment for Porsche Macan 95B switchable sports exhaust\" style=\"max-width:100%;height:auto;\"\u003e\n  \u003c\/p\u003e\n  \u003cp\u003e\n    \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/S__53968900_600x600.jpg?v=1591014788\" alt=\"Stone remote controller for Macan active valve exhaust Quiet Open Auto modes\" style=\"max-width:100%;height:auto;\"\u003e\n  \u003c\/p\u003e\n  \u003cp\u003e\n    \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/bending.jpg?v=1572739395\" alt=\"7 axis CNC mandrel bending for Macan cat back system by Stone Exhaust\" style=\"max-width:100%;height:auto;\"\u003e\n  \u003c\/p\u003e\n  \u003cp\u003e\n    \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_1_1024x1024.jpg?v=1572828150\" alt=\"Reinforced welds on Stone Macan performance exhaust\" style=\"max-width:100%;height:auto;\"\u003e\n  \u003c\/p\u003e\n  \u003cp\u003e\n    \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0284\/6300\/5795\/files\/Stone_Exhaust_Art_of_Welding_-_2_1024x1024.jpg?v=1572828178\" alt=\"Precision spot welding for consistent Macan exhaust construction\" style=\"max-width:100%;height:auto;\"\u003e\n  \u003c\/p\u003e\n  \n  \u003ch3\u003eVideo\u003c\/h3\u003e\n  \u003cp\u003e\u003cstrong\u003eController and valve overview\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;\"\u003e\n    \u003ciframe src=\"https:\/\/www.youtube.com\/embed\/V5c4VEyO1EM\" title=\"Stone switchable valve system overview for Porsche Macan 95B\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen\u003e\u003c\/iframe\u003e\n  \u003c\/div\u003e\n  \n\u003c\/div\u003e","brand":"Stone Exhaust","offers":[{"title":"Macan S 3.0T \u0026 Macan Turbo 3.6T \/ Flat Cut Gloss Carbon Fibre (102mm)","offer_id":56006642205058,"sku":null,"price":3528.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/1020CG_FlatCutGlossCarbonFibre_102mm_1024x1024_2x_93dec26f-1992-49af-b517-005be31f1c48.webp?v=1764059547","url":"https:\/\/mjmodifications.co.uk\/products\/stone-exhaust-porsche-95b-cat-back-valvetronic-exhaust-system-inc-macan-s-3-0t-macam-turbo-3-6t","provider":"MJ Modifications","version":"1.0","type":"link"}