SLG - 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.