N52 Exhaust Flanges

CNC-Machined 304 Stainless Exhaust Flanges

Fits BMW N51 / N52 / N53

Looking to build your own headers or turbo manifold for a BMW N51, N52, or N53 engine? These flanges are designed specifically for DIY fabricators who want a proper starting point without fighting fitment or sealing issues.

Machined on a CNC for accurate port alignment and flatness, these flanges provide a reliable seal that won’t warp or leak during welding or high-temperature use. Made from 304 stainless steel, they’re ideal for both naturally aspirated and turbo applications.

Features:

• CNC-machined for precise fitment and consistent sealing

• 304 stainless steel for excellent heat and corrosion resistance

• Designed for BMW N51, N52, and N53 cylinder heads

• Ideal for custom headers, turbo manifolds, and exhaust fabrication

• Clean port profiles for easy runner matching and welding

Whether you’re building a one-off turbo setup or custom race headers, these flanges give you a solid, professional foundation to start from.

The items installed or applied to vehicles are intended strictly for off-road use only and track vehicles. These modifications may not comply with emissions, safety, or environmental regulations required for public road use under Environmental Regulatory Agency (ERA) laws. It is the sole responsibility of the vehicle owner or operator to ensure adherence to all applicable local, state, and federal regulations. Use on public roads may result in legal penalties or vehicle impoundment. Always verify compliance with local authorities before installation.

We get a large number of custom orders and requests everyday, so as a result it is not always possible for us to keep every item in stock at all times in our warehouse. If you require the item urgently please contact our sales team here to check the stock before you make your purchase.

If you're unsure whether a part will fit your vehicle, feel free to contact us here with your inquiry. Our helpful sales team will reach out to confirm if it's the right match for you.

We offer a flat-rate shipping fee across the continental United States. This excludes Alaska, Hawaii, and U.S. territories. For international orders, additional shipping costs will apply. Please contact us for a quote if you are outside the continental U.S.

Also, feel free to also contact us at ColoradoN5X@Gmail.Com for any other questions.

Not all items are covered by warranty. Items including warranty, will clearly state that there is warranty within the product description. Most of these items will be a standard 1-year warranty against manufacture defects. You, the customer, will be responsible for shipping and handling. We will fix/replace that item with a product that is in working condition if you meet the warranty criteria. Please note that you will be allowed ONLY 1 claim within the year for that product. ColoradoN5X is not responsible for any damage caused during the installation of our products.