Catback Exhaust System – Vauxhall Astra H SRI 2.0 Z20LER Z20LEL 04-09

Manufactured from high quality T304 stainless steel. Mandrel bent and fully TIG welded for strength and durability. CNC machined flanges for strong, solid support and an accurate fit. 2.25" bore with 4" tailpipe. Designed to improve power, torque and throttle response across the entire RPM range.