{"product_id":"kyostar-4-5-inch-downpipe-for-bmw-b58-3-0t-m240i-340i-440i-540i-740i-840i","title":"KYOSTAR 4.5 Inch Downpipe for BMW B58 3.0T M240i 340i 440i 540i 740i 840i","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch5\u003e\u003cstrong\u003e KYOSTAR 4.5 Inch Downpipe \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eThe KYOSTAR 4.5 Inch Downpipe is designed for selected BMW B58 3.0T Twin-Turbo Inline-6 engines, providing improved exhaust flow efficiency and reduced restriction compared with the factory downpipe system. Designed for BMW M240i, 340i, 440i, 540i, 640i GT, 740i, and 840i applications, this upgrade supports quicker turbo response and a more aggressive performance exhaust tone.\u003c\/p\u003e\n\u003cp\u003eFeaturing a high-flow 4.5 inch pipe design, this downpipe provides a more direct exhaust path for B58 turbocharged applications. It is an ideal upgrade for street performance vehicles, tuned builds, and turbo upgrade setups where improved exhaust flow, sharper response, and increased performance potential are required.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003e \u003cspan style=\"text-decoration: underline;\"\u003e Features \u003c\/span\u003e \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-flow 4.5 inch downpipe design reduces exhaust restriction and improves exhaust flow efficiency.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports quicker turbo response and improved exhaust pulse flow for BMW B58 3.0T turbo engines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDurable stainless steel construction provides reliable performance under high exhaust temperatures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for tuned B58 applications requiring improved exhaust flow and performance capability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProvides a more aggressive exhaust tone while supporting street and performance-focused builds.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cstrong\u003e \u003cspan style=\"text-decoration: underline;\"\u003e Fitment \u003c\/span\u003e \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e2016-2022 BMW F22 \/ F23 M240i B58 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2016-2022 BMW F30 \/ F31 340i B58 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2016-2022 BMW F32 \/ F33 \/ F36 440i B58 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2016-2022 BMW G30 540i B58 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2016-2022 BMW G32 640i GT B58 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2016-2022 BMW G11 \/ G12 740i B58 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2018-2022 BMW G14 \/ G15 840i B58 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cstrong\u003e \u003cspan style=\"text-decoration: underline;\"\u003e Notes \u003c\/span\u003e \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Engine:\u003c\/strong\u003e Designed for selected BMW B58 3.0L Twin-Turbo Inline-6 engine applications only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncompatible Engine:\u003c\/strong\u003e Not compatible with N55, N54, S55, S58, B48, N20, diesel, naturally aspirated, or other BMW engine platforms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVerify Vehicle:\u003c\/strong\u003e Please verify your vehicle chassis code, model year, engine code, drivetrain, and factory downpipe configuration before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExhaust System:\u003c\/strong\u003e Designed for B58 turbocharged applications requiring increased exhaust flow and reduced restriction.\u003c\/p\u003e\n\u003cp\u003eVehicle specifications may vary depending on production date, market, and previous modifications. Some BMW models share similar names but use different engine platforms. Please confirm your exact engine code and compare your original downpipe layout before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmissions Notice:\u003c\/strong\u003e Depending on your region and vehicle configuration, aftermarket downpipes may affect emissions compliance. Please check local regulations before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProfessional Installation:\u003c\/strong\u003e Proper installation is recommended. ECU tuning may be required depending on vehicle setup and local requirements.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003e \u003cspan style=\"text-decoration: underline;\"\u003e Product Details \u003c\/span\u003e \u003c\/strong\u003e\u003c\/h5\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eKYOSTAR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eKD6520\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003ePerformance Downpipe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003eSelected BMW B58 3.0T Models Including M240i, 340i, 440i, 540i, 640i GT, 740i and 840i\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine\u003c\/td\u003e\n\u003ctd\u003eB58 3.0T Turbo Inline-6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePipe Diameter\u003c\/td\u003e\n\u003ctd\u003e4.5 Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eStreet Performance, Tuned Builds, Turbo Upgrade Applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBenefits\u003c\/td\u003e\n\u003ctd\u003eImproved Exhaust Flow, Reduced Restriction, Faster Turbo Response, Enhanced Exhaust Sound\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Includes\u003c\/td\u003e\n\u003ctd\u003eDownpipe and Included Installation Hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eBrand New\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003e\u003cstrong\u003e \u003cspan style=\"text-decoration: underline;\"\u003e FAQ \u003c\/span\u003e \u003c\/strong\u003e\u003c\/h5\u003e\n\u003ch5\u003e\u003cstrong\u003e Q1: Will this fit my vehicle? \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eThis KYOSTAR 4.5 Inch Downpipe is designed for selected BMW models equipped with the B58 3.0T Twin-Turbo engine, including M240i, 340i, 440i, 540i, 640i GT, 740i, and 840i applications. Please confirm your chassis and engine code before purchase.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003e Q2: Does installation require modification? \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eInstallation requirements may vary depending on vehicle configuration, exhaust setup, and previous modifications. Professional installation is recommended for proper alignment and sealing.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003e Q3: Does this improve performance? \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eThe larger 4.5 inch pipe design helps improve exhaust flow and reduce restriction, supporting faster turbo response and improved performance potential on tuned B58 applications.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003e \u003cspan style=\"text-decoration: underline;\"\u003e Warranty \u0026amp; Shipping \u003c\/span\u003e \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eKYOSTAR products are inspected before shipment to ensure quality and reliability. Each downpipe is securely packaged to prevent transportation damage. Please contact our support team if you need assistance with installation or product-related issues.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"KYOSTAR","offers":[{"title":"Ships from U.S. Warehouse","offer_id":53806385266961,"sku":"KD6520","price":240.0,"currency_code":"USD","in_stock":true},{"title":"Factory Direct Shipping","offer_id":53806385299729,"sku":"KD6520","price":240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/7361\/5889\/files\/KD6520-2_1_8d09a8e6-34c8-45c5-a4eb-082b23476ec0.jpg?v=1783575792","url":"https:\/\/www.kyostars.com\/de\/products\/kyostar-4-5-inch-downpipe-for-bmw-b58-3-0t-m240i-340i-440i-540i-740i-840i","provider":"KYOSTAR PERFORMANCE","version":"1.0","type":"link"}