manifold fabrication where tight bends are required. These premium donuts can be cut to
accommodate any degree of bend necessary. The inner seam requires finish
welding after cutting. You can choose 1.5", 1.75", or 2" diameter donuts. These sizes are most common for motorcycle exhaust fabrication. If you need another custom size, shoot us a message through our contact form. We can get these in numerous of sizes.
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