The JBA 2.5-inch 304 stainless steel starter tube with 2-bolt flange and O2 sensor bung is an exhaust fitment accessory engineered to simplify connection between sections. Made from 304 series stainless, the 2.5" tube provides O2 sensor provisions and a durable, corrosion-resistant finish. It's intended to aid installation of compatible JBA exhaust components and includes standard bolt patterns for direct use in supported systems.
JBA 2.5in 304 Series Stainless Steel 2 Bolt Starter Tubes w/O2 sensor bungs