Borla 20120 Polished Stainless Steel Single Round Angle-Cut Intercooled Tailpipe Tip Made of corrosion resistant aircraft quality stainless steel which decreases the fatigue incurred on these parts during high performance uses BORLA uses patented straight-through and multi-core technology to help increase horsepower and torque. Precision manufactured using aircraft-quality stainless steel, guaranteed to look like new for one million miles. Outlet Size: 3 1/2" Inlet Size: 2 1/2" Length: 9"