4 Bolt Exhaust Flanges

4‑Bolt Exhaust Flange Plates

When you need maximum strength and a rock-solid seal, our 4‑bolt flange plates are the go-to choice. Designed for heavy-duty exhaust systems, turbo setups, and high-pressure fabrications, these flanges deliver exceptional clamping force and leak-free performance.

Manufactured from durable mild steel or precision-cut 304 stainless steel, our flange plates are available in popular sizes from 2″ to 4″ — perfect for both on-road and off-road applications. Each plate is expertly machined for accurate bolt-hole alignment and a flat sealing face, ensuring a flush, reliable joint.

Complete your setup with matching hardware: secure the seal using flange gaskets, bolts, studs & nuts, and support connections with our full exhaust clamp range for a professional build.

If you're looking for lighter-duty options, check out our 2‑bolt flange plates or our mid-strength 3‑bolt flange plates depending on your build requirements.

All plates are stocked in Australia and come with fast shipping nationwide — backed by expert support for fabricators, home mechanics, and workshops alike.

21 Products Found