{"product_id":"land-rover-defender-p425-v8-90-110-or-130-supersport-system-with-sound-architect-2025-on","title":"QuickSilver Land Rover Defender P425 V8 90 OR 110 SUPERSPORT System with Sound Architect 2025+","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/player.vimeo.com\/video\/1140449394?badge=0\u0026amp;autopause=0\u0026amp;player_id=0\u0026amp;app_id=58479\" width=\"355\" height=\"200\" title=\"New 2025 Land Rover Defender P425 with ourimproved V8 Sound\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"color: #808080;\" color=\"#999999\"\u003e\u003cspan style=\"font-size: x-large;\" size=\"5\" class=\"Apple-style-span\"\u003eDETAILS\u003c\/span\u003e\u003cspan style=\"font-size: x-large;\" size=\"5\" class=\"Apple-style-span\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"color: #808080;\"\u003e \u003cmeta charset=\"utf-8\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"color: #808080;\"\u003eThe QuickSilver Sport System with Sound Architect valves is a step up from our popular Sport system and designed for enthusiast who wants to maximise the driving experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #808080;\"\u003eReplacing the mid section silencer with an x-pipe not only mixes the banks of the V8, but gives a crisper more robust tone throughout the rev range.  \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #808080;\"\u003eLoud or Quiet, our system uses our revolutionary Sound Architect module, which is controlled by our new standalone key fob - it could not be easier.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #808080;\"\u003eWith the valves shut, the QuickSilver system provides a civilised note which is unobtrusive and perfect for long journeys and early starts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #808080;\"\u003eSwitch to valves open and the monstrous side comes alive with volume and pitch increased to deliver a pure muscle car sound that enriches the experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #808080;\"\u003eFurthermore, in dynamic driving mode all the pops, crackles and bangs are present on the up-change \u0026amp; overrun, a nice touch.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #808080;\"\u003eThe QuickSilver system is truly plug \u0026amp; play, it requires no intrusion into the car's OE systems and is completely reversible (on resale?).  \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan color=\"#999999\" style=\"color: #808080; font-size: x-large;\"\u003e\u003cspan class=\"productsubheader\"\u003e\u003cspan class=\"Apple-style-span\" size=\"5\"\u003eSOUND ARCHITECT™ - ACTIVE VALVES\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(128, 128, 128);\"\u003e Sound Architect® Remote Valve Control by QuickSilver\u003c\/span\u003e\u003cspan style=\"color: rgb(128, 128, 128);\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(128, 128, 128);\"\u003eThe new QS Sound Architect® remote valve control system gives you full command of the sound. Our push-button fob can be mounted within the vehicle or used outside the vehicle if desired.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(128, 128, 128);\"\u003eIts binary functionality offers two distinct sounds to suit your environment. Our default ‘Sport’ mode offers the full experience with a deeper robust note and utilises the optimum flow of the exiting exhaust gases. With our ‘Refined’ mode, our exhaust harnesses the tone, offering a more civilised note when, and if it’s required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(128, 128, 128);\"\u003eEven better is that like our exhausts, this is a simple install. Just feed the valve cables through the spare wheel well to the rear section, plug the power cable into the 12v in the boot, and you’re away!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(128, 128, 128);\"\u003eThis style of valve control’s been requested a lot in the past, and we’re excited to finally offer this – the perfect sound is now just a button press away.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cspan color=\"#999999\" style=\"color: #999999;\"\u003e\u003cspan class=\"productsubheader\"\u003e\u003cb\u003e\u003cstrong\u003e\u003cspan class=\"Apple-style-span\" size=\"5\" style=\"font-size: x-large;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/b\u003e\u003cspan style=\"color: #808080; font-size: x-large;\"\u003e\u003cspan class=\"Apple-style-span\" size=\"5\"\u003eKEY FEATURES\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable border=\"0\" cellspacing=\"6\" cellpadding=\"4\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp align=\"left\"\u003e\u003cspan style=\"color: #808080;\"\u003e\u003cspan color=\"#999999\" size=\"2\"\u003e• Stainless Steel mandrel bent tubing\u003c\/span\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp align=\"left\"\u003e\u003cspan style=\"color: #808080;\" color=\"#999999\" size=\"2\"\u003e• Improved throttle response.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp align=\"left\"\u003e\u003cspan style=\"color: #808080;\" color=\"#999999\" size=\"2\"\u003e• Fantastic burbles, crackles and pops on the overrun.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp align=\"left\"\u003e\u003cspan style=\"color: #808080;\" color=\"#999999\" size=\"2\"\u003e\u003cspan color=\"#808080\"\u003e\u003cmeta charset=\"utf-8\"\u003e• Civilised to muscle car in an instant.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp align=\"left\"\u003e\u003cspan style=\"color: #808080;\"\u003e\u003cspan color=\"#999999\" size=\"2\"\u003e\u003cspan color=\"#808080\"\u003e\u003cmeta charset=\"utf-8\"\u003e • The 4x straight carbon fibre tail pipes are a huge improvement to the rear view.\u003c\/span\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp align=\"left\"\u003e\u003cspan size=\"2\" color=\"#999999\" style=\"color: #808080;\"\u003e•  \u003c\/span\u003e\u003cspan size=\"2\" color=\"#999999\" style=\"color: #808080;\"\u003ePlug \u0026amp; play 12v power source \u003c\/span\u003e\u003c\/p\u003e\n\u003cp align=\"left\"\u003e\u003cspan size=\"2\" color=\"#999999\" style=\"color: #808080;\"\u003e•  Two fobs\u003c\/span\u003e\u003c\/p\u003e\n\u003cp align=\"left\"\u003e\u003cspan size=\"2\" color=\"#999999\" style=\"color: #808080;\"\u003e•  Sound module\u003c\/span\u003e\u003c\/p\u003e\n\u003cp align=\"left\"\u003e\u003cspan size=\"2\" color=\"#999999\" style=\"color: #808080;\"\u003e•  All required leads and batteries\u003c\/span\u003e\u003c\/p\u003e\n\u003cp align=\"left\"\u003e\u003cspan size=\"2\" color=\"#999999\" style=\"color: #808080;\"\u003e•    Suitable for three pin SPS valves\u003c\/span\u003e\u003c\/p\u003e\n\u003cp align=\"left\"\u003e\u003cspan size=\"2\" color=\"#999999\" style=\"color: #808080;\"\u003e•    Two distinct sound modes, ‘Sport’ and ‘Refined’\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp align=\"left\"\u003e \u003c\/p\u003e\n\u003ch3\u003eVehicle fitment\u003c\/h3\u003e\n\u003cul class=\"fitment-list\"\u003e\n\u003cli\u003e2025-2026 Land Rover Defender 110 OCTA\u003c\/li\u003e\n\u003cli\u003e2025-2026 Land Rover Defender 110 OCTA Edition One\u003c\/li\u003e\n\u003cli\u003e2025-2026 Land Rover Defender 110 S\u003c\/li\u003e\n\u003cli\u003e2025-2026 Land Rover Defender 110 V8\u003c\/li\u003e\n\u003cli\u003e2025-2026 Land Rover Defender 110 X\u003c\/li\u003e\n\u003cli\u003e2025-2026 Land Rover Defender 110 X-Dynamic SE\u003c\/li\u003e\n\u003cli\u003e2025-2026 Land Rover Defender 90 S\u003c\/li\u003e\n\u003cli\u003e2025-2026 Land Rover Defender 90 V8\u003c\/li\u003e\n\u003cli\u003e2025-2026 Land Rover Defender 90 X-Dynamic SE\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"QuickSilver Exhausts","offers":[{"title":"90.0","offer_id":60052499857694,"sku":"QSELR425S-90","price":4864.86,"currency_code":"USD","in_stock":true},{"title":"110.0","offer_id":60052499890462,"sku":"QSELR425S-110","price":4864.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/LR425S-Land-Rover-Defender-V8-Super-Sport-Exhaust-12.jpg?v=1790390759","url":"https:\/\/shop.signatureautohaus.com\/products\/land-rover-defender-p425-v8-90-110-or-130-supersport-system-with-sound-architect-2025-on","provider":"Signature Autohaus","version":"1.0","type":"link"}