{"product_id":"bmw-m54b22-engine-header-e36-e39-e46-e60-z3-z4-320i-330ci-520i-2-2l","title":"BMW M52B25 Engine Exhaust Header – E46 323i 2.5L\/2.8L\/3.0L 1998-2006","description":"\u003ch2\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/s_OUWeXLsyY?si=gu93lE2oUnZzNyd1\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/h2\u003e\n\u003cp\u003eUpgrade your BMW’s exhaust system with Flashark Exhaust Headers, designed specifically for BMW's M52B25 engine family. These high-performance headers are specifically engineered to enhance your engine's output, improve exhaust flow, and boost horsepower and torque, giving your BMW a noticeable increase in performance. Compatible with a wide range of BMW models such as the E46, these headers are constructed from durable T304 stainless steel and offer a straightforward, bolt-on installation for both performance and ease.\u003c\/p\u003e\n\u003ch3\u003eFitment:\u003c\/h3\u003e\n\u003ch4\u003eCompatible with vehicles equipped with the\u003cstrong\u003e BMW M52B25 2.5L engine\u003c\/strong\u003e:\u003cbr\u003e1998-2006 E46 323i\u003cbr\u003e\u003ca href=\"https:\/\/flasharkracing.com\/products\/exhaust-header-for-bmw-m54-engine-e46-320i-325i-330i-e60-e61-520i-525i-530i-e65-e66-730i\"\u003e\u003c\/a\u003e\n\u003c\/h4\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cp\u003eBrand Name: FLASHARK\u003cbr\u003eSKU: ES08335 (EH28535)\u003cbr\u003eCertificate: ISO9001:2000\u003cbr\u003eApplication: M52 Exhaust Header\u003cbr\u003eMaterial: Stainless Steel\u003cbr\u003eSurface: Mirror Polish\u003c\/p\u003e\n\u003cp\u003eThe M52 headers feature a 6-2-1 lightweight piping design and are made from T304 stainless steel, ensuring long-lasting durability and performance.\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0293\/4423\/5619\/files\/M54_Exhaust_Headers_for_2000-2006_BMW_E46_320i325i330i_Z3_Z4.jpg?v=1728461863\" alt=\"For 2000-2006 BMW M54 Engine | E46 320i\/325i\/330i Z3 Z4 Exhaust Header\"\u003e\u003c\/div\u003e\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOur M52 headers are designed with an F1-style merge collector for reduced turbulence and creates more horsepower and torque.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eImproved TIG welding with each weld back purged so each weld is protected on both the front and rear sides\u003c\/li\u003e\n\u003cli\u003eIncludes 4 O2 (lambda) sensor ports just like the original down pipe configuration,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edoes not include catalytic converters - not useable on the public roads! Check your local regulations\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eImprovement is approximately 12 hp. With our ECU tuning software upgrades, we have seen increases of over 30 HP\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eThe design utilizes equal-length headers, smooth mandrel bends and large F1-style collectors\u003c\/li\u003e\n\u003cli\u003eHeaders make the car noticeably faster across the rpm range with minimal additional noise\u003c\/li\u003e\n\u003cli\u003eStraight forward installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese high-performance exhaust headers are made from durable T304 stainless steel and are designed for BMW M52 engines. They are suitable for models including E46. Fits both manual and automatic transmissions. Models with air pumps may require modifications. These high-performance headers were developed in Germany and are manufactured out of heavy gauge T304 stainless steel for long life. They are intended for track and off-road use only unless you weld in catalytic converters. The kit comes complete with gaskets. Left-hand drive models only.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eReplacing or upgrading your exhaust header is necessary for both engine performance and sound. Whether on or off the track, exhaust headers provide more horsepower and improved exhaust sound. FLASHARK offers many products to help you create your own custom engine headers. It's really easy and convenient to use: direct bolt-on, no modification needed. \u003c\/span\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eDelivery:\u003c\/h3\u003e\n\u003cp\u003eFree Shipping\u003cbr\u003eShipping Time: Estimated in 3-5 Working Days\u003c\/p\u003e\n\u003ch3\u003eQuality assurance:\u003c\/h3\u003e\n\u003cp\u003e1. Each item has been factory tested and meets or exceeds OEM specifications.\u003cbr\u003e2. If you are not satisfied with the product or the product has quality problems, you can contact us at any time, we will provide you with a satisfactory answer and solve the after-sales problem for you.\u003c\/p\u003e\n\u003ch3\u003ePackage Includes:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2*Exhaust Manifolds\u003c\/li\u003e\n\u003cli\u003e4*Gaskets\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eExhaust Header vs. Manifold: Which is the Better Choice for Your BMW M54 Engine?\u003c\/h3\u003e\n\u003cp\u003eWhen upgrading your BMW’s exhaust system, choosing between an M52 header and a manifold is essential for improving performance. The key differences lie in the materials and design. M52 headers are made from lightweight T304 stainless steel, while traditional exhaust manifolds are typically crafted from thick, heavy iron. Additionally, M52 headers are longer than manifolds, providing improved exhaust flow.\u003c\/p\u003e\n\u003cp\u003eExhaust manifolds tend to create back pressure, which reduces engine performance. In contrast, M52 headers feature individual tubes for each cylinder, effectively eliminating back pressure. This design allows exhaust gases to flow freely, enhancing horsepower and torque. For optimal performance and efficiency, M52 headers are the superior choice over traditional exhaust manifolds.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0293\/4423\/5619\/files\/High_Performance_M54_Exhaust_Headers.jpg?v=1728461863\" alt=\"High Performance M54 Exhaust Header\"\u003e\u003c\/div\u003e","brand":"Flashark","offers":[{"title":"Default Title","offer_id":51797427487006,"sku":"FLES08335","price":169.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7171\/1262\/files\/BMW-M54B30-Engine-Header-_-E36-E39-E46-E53-E65-E66-E83-E85-330Ci-530i-X3-X5-Z3-Z4-3.0L-Flashark-97385564_22fac240-a8da-4406-81e3-0e8b0e86851f.jpg?v=1777493580","url":"https:\/\/platinumhpsolutions.com\/products\/bmw-m54b22-engine-header-e36-e39-e46-e60-z3-z4-320i-330ci-520i-2-2l","provider":"Platinum High Performance Solutions, LLC.","version":"1.0","type":"link"}