{"product_id":"bmw-g20-g21-m340i-carbon-fibre-kb-style-rear-diffuser","title":"BMW G20\/G21 M340i Carbon Fibre KB Style Rear Diffuser","description":"\u003ch2\u003eBMW G20\/G21 M340i Carbon Fibre KB Style Rear Diffuser\u003c\/h2\u003e\n\u003cp\u003eElevate the rear styling of your BMW G20\/G21 M340i with the KB Style Carbon Fibre Rear Diffuser. Designed specifically for the BMW G20 Sedan and G21 Touring M340i, this premium rear diffuser delivers an aggressive motorsport-inspired appearance while enhancing the vehicle's aerodynamic profile and perfectly complementing the factory rear bumper.\u003c\/p\u003e\n\u003cp\u003eManufactured from premium carbon fibre, the KB Style Rear Diffuser combines lightweight construction with exceptional strength and durability. Featuring a bold multi-fin design, integrated side extensions, and a centrally mounted LED rear light, it creates a lower, wider, and more purposeful rear-end while maintaining a premium OEM+ fit and finish.\u003c\/p\u003e\n\u003cp\u003eWhether you're building a refined daily driver or a fully customised performance vehicle, the KB Style Carbon Fibre Rear Diffuser is the perfect finishing touch.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003ch3\u003ePremium Carbon Fibre Construction\u003c\/h3\u003e\n\u003cp\u003eManufactured from high-quality carbon fibre for exceptional strength, lightweight performance, and long-lasting durability.\u003c\/p\u003e\n\u003ch3\u003eIntegrated LED Rear Light\u003c\/h3\u003e\n\u003cp\u003eFeatures a centrally mounted LED rear light that adds a modern motorsport-inspired appearance while enhancing rear visibility.\u003c\/p\u003e\n\u003ch3\u003eHigh-Gloss UV Resistant Finish\u003c\/h3\u003e\n\u003cp\u003eFinished with a premium UV-resistant clear coat to help protect against fading, yellowing, and environmental exposure.\u003c\/p\u003e\n\u003ch3\u003eAggressive KB Style Design\u003c\/h3\u003e\n\u003cp\u003eFeatures sculpted aerodynamic fins, integrated side extensions, and a bold KB Style profile for a striking race-inspired appearance.\u003c\/p\u003e\n\u003ch3\u003eImproved Aerodynamics\u003c\/h3\u003e\n\u003cp\u003eDesigned to help optimise airflow beneath the rear of the vehicle while complementing the factory aerodynamic characteristics.\u003c\/p\u003e\n\u003ch3\u003ePrecision Fitment\u003c\/h3\u003e\n\u003cp\u003eEngineered specifically for the BMW G20 Sedan and G21 Touring M340i, ensuring excellent fitment and seamless integration with the factory rear bumper.\u003c\/p\u003e\n\u003ch3\u003eLightweight Construction\u003c\/h3\u003e\n\u003cp\u003eCarbon fibre construction provides exceptional rigidity while keeping additional weight to an absolute minimum.\u003c\/p\u003e\n\u003ch2\u003ePerformance Benefits\u003c\/h2\u003e\n\u003ch3\u003eEnhanced Rear-End Styling\u003c\/h3\u003e\n\u003cp\u003eTransforms the rear of your M340i with a lower, wider, and significantly more aggressive appearance.\u003c\/p\u003e\n\u003ch3\u003eImproved Aerodynamic Profile\u003c\/h3\u003e\n\u003cp\u003eThe integrated diffuser fins help optimise airflow beneath the vehicle while complementing other aerodynamic upgrades.\u003c\/p\u003e\n\u003ch3\u003eRace-Inspired LED Styling\u003c\/h3\u003e\n\u003cp\u003eThe integrated LED rear light adds a distinctive motorsport aesthetic inspired by modern GT and touring race cars.\u003c\/p\u003e\n\u003ch3\u003eCompletes Your Carbon Fibre Build\u003c\/h3\u003e\n\u003cp\u003ePairs perfectly with carbon fibre front lips, side skirts, mirror caps, rear spoilers, and other exterior upgrades for a cohesive performance-inspired appearance.\u003c\/p\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003eBMW G20 M340i Sedan (2019+)\u003c\/p\u003e\n\u003cp\u003eBMW G21 M340i Touring (2019+)\u003c\/p\u003e\n\u003ch2\u003ePlease Note\u003c\/h2\u003e\n\u003cp\u003eProfessional installation is strongly recommended.\u003c\/p\u003e\n\u003cp\u003eDesigned specifically for BMW G20 Sedan and G21 Touring M340i models.\u003c\/p\u003e\n\u003cp\u003eThe integrated LED rear light requires wiring during installation. Installation by a qualified professional is recommended to ensure correct operation.\u003c\/p\u003e\n\u003cp\u003eMinor preparation, alignment, or adjustment may be required during installation to achieve optimal fitment.\u003c\/p\u003e\n\u003cp\u003eDue to the nature of carbon fibre manufacturing, slight variations in weave pattern may occur between products.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose Proven Performance Parts\u003c\/h2\u003e\n\u003cp\u003eWe specialise in high-performance parts for European vehicles — including Volkswagen GTI \u0026amp; R models, Audi S\/RS platforms, and BMW M vehicles. Every product we offer is carefully selected for its quality, fitment, and real-world performance — tested by enthusiasts, for enthusiasts.\u003c\/p\u003e","brand":"Proven Performance Parts","offers":[{"title":"Default Title","offer_id":52618051092762,"sku":null,"price":1480.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/1177\/4490\/files\/367_e3356c24-1e51-4193-9539-ab70e880bc73.png?v=1785488766","url":"https:\/\/provenperformanceparts.com.au\/products\/bmw-g20-g21-m340i-carbon-fibre-kb-style-rear-diffuser","provider":"Proven Performance Parts","version":"1.0","type":"link"}