Piping diameter: 3, 2.5

Borla Stainless Steel Cat-Back Exhaust System delivers increased exhaust velocity that adds power, driving excitement and enhanced fuel economy. It features patented, straight-through and multi-core technology to unleash hidden horsepower. Each system is built from premium austenitic stainless steel, superior to T-400 series knockoffs, to give the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow and power, and precision computer-controlled CNC manufacturing ensures an accurate fit. It stands behind every system with a million-mile warranty. This exhaust system has a piping diameter of 3, 2.5 inches and a split rear exit. It also features a single round rolled angle cut style tip of size 5 inches round x 15.25 inches. This exhaust is a through-bumper exhaust and features a Borla Logo.