{"product_id":"redstar-range-rover-nc11-4-4l-complete-downpipes-system","title":"Redstar Range Rover NC11 4.4L Complete Downpipes System","description":"\u003cstyle\u003e\n\/* Remove outer bullet, keep inner ones aligned *\/\n.redstar-fitment {\n  list-style-type: none;\n  margin: 0;\n  padding-left: 0;\n}\n\n.redstar-fitment li {\n  list-style-type: disc;\n  margin-left: 1.5rem;\n  padding-left: 0;\n}\n\u003c\/style\u003e\n\u003cp class=\"redstar-intro\"\u003eTransform the exhaust performance of your 2025+ Range Rover and Range Rover Sport powered by the all-new BMW-sourced NC11 4.4L twin-turbo V8. Redstar's Complete Downpipes System replaces the restrictive factory primary and secondary sections with flow-optimised, precision-engineered components that deliver significant gains in power, throttle response and turbo spool.\u003c\/p\u003e\n\u003cp class=\"redstar-intro\"\u003e \u003c\/p\u003e\n\u003cp class=\"redstar-intro\"\u003eThis full kit downpipe system should be the first exhaust modification for owners looking to unlock the true potential of the NC11 engine. By reducing backpressure throughout the entire exhaust path, the system produces a noticeably richer exhaust tone while helping protect turbocharger longevity through reduced under-bonnet temperatures when specified with Redstar's signature OEM-style heat shielding.\u003c\/p\u003e\n\u003cp class=\"redstar-intro\"\u003e \u003c\/p\u003e\n\u003cp class=\"redstar-intro\"\u003eBuilt to Redstar's uncompromising standards, each assembly uses highest quality 2.0mm wall 304 stainless steel, is 100% TIG welded and back purged, and features OEM-spec V-band flanges with factory-style brackets and mounts. The result is a true bolt-on solution that integrates seamlessly and is backed by Redstar's limited lifetime warranty.\u003c\/p\u003e\n\u003cp class=\"redstar-intro\"\u003e \u003c\/p\u003e\n\u003ch2 class=\"redstar-section-title\"\u003eAvailable Options\u003c\/h2\u003e\n\u003cul class=\"redstar-options\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eHJS HD 200cpsi Catalytic Converters:\u003c\/strong\u003e Engineered in Germany and trusted worldwide, the HJS 200cpsi ultra high-performance cats are rated for over 1000hp. Renowned for exceptional flow, durability, and consistent quality, these converters set the benchmark for high-output applications. Ideal for drivers demanding maximum performance without compromise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGESI GEN2 400cpsi Catalytic Converters:\u003c\/strong\u003e The latest GEN2 series from GESI is rated to support up to 1000hp while offering smoother exhaust flow and improved efficiency compared with factory units. Featuring advanced emissions technology for optimal catalyst function at high flow rates. EPA Compliant catalytic converters have been third-party lab tested to meet or exceed local emissions standards in North America (excluding California).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-Style Heat Shielding:\u003c\/strong\u003e Redstar's signature thermal management system reduces radiant exhaust heat by up to 70-80%. Developed with motorsport-inspired materials and construction, it uses a multi-layer design of ceramic insulation and embossed stainless steel foil. Unlike wraps or coatings that degrade quickly, Redstar shielding delivers long-term durability and consistent protection for engine bay components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompetition\/Catless:\u003c\/strong\u003e Maximum flow design for uncompromised performance. Delivers the most aggressive exhaust note and optimal power gains. Includes straight tunable O2 spacers with 3 inserts to help prevent engine light conditions. Track use only - not for road use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 class=\"redstar-section-title\"\u003eKey Performance Benefits\u003c\/h2\u003e\n\u003cul class=\"redstar-benefits\"\u003e\n\u003cli\u003eSignificant power gain from reduced exhaust restriction\u003c\/li\u003e\n\u003cli\u003eFaster turbo spool and sharper throttle response\u003c\/li\u003e\n\u003cli\u003eHelps increase turbocharger longevity\u003c\/li\u003e\n\u003cli\u003eReduced under-bonnet temperatures when specified with heat shielding\u003c\/li\u003e\n\u003cli\u003eAdds a richer, more engaging exhaust tone\u003c\/li\u003e\n\u003cli\u003e100% bolt-on installation using factory mounting points\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 class=\"redstar-section-title\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul class=\"redstar-specifications\"\u003e\n\u003cli\u003eHighest quality 2.0mm wall 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003e100% TIG welded and back purged for strength and consistency\u003c\/li\u003e\n\u003cli\u003eOEM-spec V-band flanges for reliable sealing\u003c\/li\u003e\n\u003cli\u003eAll brackets and mounts replicated from OEM unit\u003c\/li\u003e\n\u003cli\u003eLimited lifetime warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 class=\"redstar-section-title\"\u003eNotes\u003c\/h2\u003e\n\u003cul class=\"redstar-notes\"\u003e\n\u003cli\u003eFits NC11 engine only - VIN verification required\u003c\/li\u003e\n\u003cli\u003eCompetition model includes straight tunable O2 spacers with 3 inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eFitments\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul class=\"redstar-fitment\"\u003e\n\u003cli\u003e2025+ Range Rover P615\/P635 SV L460 4.4L Twin Turbo NC11\u003c\/li\u003e\n\u003cli\u003e2025+ Range Rover Autobiography L460 4.4L Twin Turbo NC11\u003c\/li\u003e\n\u003cli\u003e2025+ Range Rover P530 L460 4.4L Twin Turbo NC11\u003c\/li\u003e\n\u003cli\u003e2025+ Range Rover Sport P530 L461 4.4L Twin Turbo NC11\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"REDSTAR","offers":[{"title":"Competition (catless) \/ Yes","offer_id":52599894442300,"sku":"NC11KF-DPCL-HS","price":5659.0,"currency_code":"AUD","in_stock":true},{"title":"Competition (catless) \/ No","offer_id":52599894475068,"sku":"NC11KF-DPCL","price":4739.0,"currency_code":"AUD","in_stock":true},{"title":"GESI GEN2 UHO+ 400cpsi 5\" \/ Yes","offer_id":52599894507836,"sku":"NC11FK-DP50-HS","price":9889.0,"currency_code":"AUD","in_stock":true},{"title":"GESI GEN2 UHO+ 400cpsi 5\" \/ No","offer_id":52599894540604,"sku":"NC11FK-DP50","price":8909.0,"currency_code":"AUD","in_stock":true},{"title":"HJS HD 200cpsi 130mm \/ Yes","offer_id":52599894573372,"sku":"NC11KF-DP130-HS","price":10949.0,"currency_code":"AUD","in_stock":true},{"title":"HJS HD 200cpsi 130mm \/ No","offer_id":52599894606140,"sku":"NC11KF-DP130","price":9979.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/0031\/8780\/files\/NC11KF-DP.jpg?v=1767584121","url":"https:\/\/cityperformancecentre.com\/products\/redstar-range-rover-nc11-4-4l-complete-downpipes-system","provider":"City Performance Centre","version":"1.0","type":"link"}