2.5″ Exhaust Pre Cat Decat Downpipe – Vauxhall Astra H MK5 2.0 Z20LEH VXR 04-10

Manufactured from T304 grade polished stainless steel Mandrel bent and fully TIG welded for strength and durability Free flowing catalyst replacement to get the most from the Z20LEH engine Designed to improve power and torque across the entire RPM range Noticeably improves throttle response