Stainless Bros 2.5in SS321 45 Deg Mandrel Bend Elbow - 1D Radius 16GA/.065in Wall (Leg)

This is a 2.5-inch diameter, 45-degree mandrel bend elbow from Stainless Bros. It's made from SS321 stainless steel, which is known for its good performance in high-temperature exhaust applications. The 1D radius means the bend is tight, with the center of the bend being one diameter away from the tube's edge, making it useful for fitting into tighter spaces during custom exhaust builds. The wall thickness is 16 gauge, or .065 inches, which is a solid choice for exhaust tubing that needs to hold its shape under pressure and heat without being excessively heavy.

Mandrel bending is key here because it ensures the tube's diameter stays consistent throughout the bend, unlike crush bends which can restrict flow. This is important for maintaining exhaust efficiency. The SS321 material offers improved corrosion resistance and can handle higher temperatures compared to standard 304 stainless steel, making it a good option for performance exhaust systems or anywhere durability in harsh conditions is a priority.