{"product_id":"f90-dps-redstar-bmw-f90-m5-m8-complete-downpipe-system","title":"Redstar BMW F90 M5\/M8 Complete Downpipe System","description":"\u003cp class=\"redstar-intro\"\u003eUnleash the potential of your BMW with Redstar performance exhaust downpipes engineered specifically for the 2017-2023 BMW M5 F90 and 2018-2023 BMW M5 Competition F90 4.4 L S63 twin-turbocharged V8, as well as the 2019-2023 BMW M8 F91, F92, and F93. This complete kit replaces the restrictive factory sections directly after the turbos and includes Upper Primary and Secondary Downpipes, utilising the OEM split slip-on design for precise alignment and a true bolt-on installation.\u003c\/p\u003e\n\u003cp class=\"redstar-intro\"\u003eFlow-optimised geometry reduces backpressure for faster spool and sharper throttle response, translating to significant real-world gains and a more engaging driving experience. Optional OEM-style heat shielding with a ceramic inner liner cuts radiant heat by up to 80%, helping to control under-bonnet temperatures while enhancing turbo longevity and adding a richer, more characterful exhaust tone.\u003c\/p\u003e\n\u003cp class=\"redstar-intro\"\u003eBuilt for durability and performance, every Redstar system is crafted from 2.0 mm wall 304 stainless steel, 100% TIG welded and back purged, and finished with OEM-spec V-band flanges and factory-style brackets. Available with HJS 200cpsi or GESI GEN2 400cpsi catalytic converter options and Redstar’s motorsport-inspired heat shielding, this downpipe set blends precision fitment with proven engineering for the BMW M5 and M8 platforms.\u003c\/p\u003e\n\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. A strong choice for those seeking significant performance gains with refined operation.\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 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\u003c\/ul\u003e\n\n\u003ch2 class=\"redstar-section-title\"\u003eKey Performance Benefits\u003c\/h2\u003e\n\u003cul class=\"redstar-benefits\"\u003e\n  \u003cli\u003eNoticeable increases in power and torque delivery\u003c\/li\u003e\n  \u003cli\u003eQuicker turbo spool and sharper throttle response\u003c\/li\u003e\n  \u003cli\u003eLower strain on turbochargers for improved longevity\u003c\/li\u003e\n  \u003cli\u003eReduced under-bonnet temperatures\u003c\/li\u003e\n  \u003cli\u003eDeeper, more engaging exhaust tone\u003c\/li\u003e\n  \u003cli\u003eTrue bolt-on fitment to factory mounting points\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"redstar-section-title\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul class=\"redstar-specifications\"\u003e\n  \u003cli\u003e2.0 mm wall 304 stainless steel construction\u003c\/li\u003e\n  \u003cli\u003e100% TIG welded and back purged\u003c\/li\u003e\n  \u003cli\u003eOEM-spec V-band flanges\u003c\/li\u003e\n  \u003cli\u003eFactory-style brackets and mounts\u003c\/li\u003e\n  \u003cli\u003eUtilises the OEM split slip-on design\u003c\/li\u003e\n  \u003cli\u003eIncludes Upper Primary and Secondary Downpipes\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eManufacturer fitment\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n  \u003cli\u003e2017-2023 BMW M5 F90 4.4 L S63 twin-turbocharged V8\u003c\/li\u003e\n  \u003cli\u003e2018-2023 BMW M5 Competition F90 4.4 L S63 twin-turbocharged V8\u003c\/li\u003e\n  \u003cli\u003e2019-2023 BMW M8 F91\u003c\/li\u003e\n  \u003cli\u003e2019-2023 BMW M8 F92\u003c\/li\u003e\n  \u003cli\u003e2019-2023 BMW M8 F93\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFits\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBMW M5 (F90) Sedan CS 2021-2021\u003cbr\u003eBMW M5 (F90) Sedan Competition 2018-2023\u003cbr\u003eBMW M5 (F90) Sedan M5 2017-2023\u003cbr\u003eBMW M8 (F91) Convertible Competition 2019-current\u003cbr\u003eBMW M8 (F91) Convertible M8 2019-current\u003cbr\u003eBMW M8 (F92) Coupe Competition 2019-current\u003cbr\u003eBMW M8 (F92) Coupe M8 2019-current\u003cbr\u003eBMW M8 (F93) Sportback Competition 2019-current\u003cbr\u003eBMW M8 (F93) Sportback M8 2019-current\u003cbr\u003eBMW X5 M (F95) SUV X5 M 2020-2023\u003cbr\u003eBMW X6 M (F96) SUV X6 M 2020-2023\u003c\/p\u003e\u003cp\u003e\u003cem\u003eFor OPF-equipped European vehicles, please provide the vehicle VIN to confirm OPF configuration and ensure the correct parts are supplied.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cem\u003eProfessional fitting is recommended.\u003c\/em\u003e\u003c\/p\u003e","brand":"Redstar Exhaust","offers":[{"title":"Non-Facelift \/ HJS HD 200cpsi 121mm \/ Heat 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\/ Heat Shielded","offer_id":46873085083727,"sku":"F90-DPCL-HS","price":5039.0,"currency_code":"AUD","in_stock":true},{"title":"Non-Facelift \/ Competition (catless) \/ No Heat Shielding","offer_id":46873085116495,"sku":"F90-DPCL","price":4199.0,"currency_code":"AUD","in_stock":true},{"title":"Facelift \/ Competition (catless) \/ No Heat Shielding","offer_id":46873085149263,"sku":"F90FL-DPCL","price":4619.0,"currency_code":"AUD","in_stock":true},{"title":"Facelift \/ Competition (catless) \/ Heat Shielded","offer_id":46873085182031,"sku":"F90FL-DPCL-HS","price":5509.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/4383\/8543\/files\/F90-DPS.jpg?v=1790044468","url":"https:\/\/heasmansaus.myshopify.com\/products\/f90-dps-redstar-bmw-f90-m5-m8-complete-downpipe-system","provider":"heasmansaus","version":"1.0","type":"link"}