Vauxhall Astra H Mk5 (A04 Estate) — 1.8 Petrol (Z18XER / A18XER) — 2004–2011. Vauxhall Astra H Mk5 (A04 Estate) — 1.6 Petrol (Z16XER) — 2004–2011. Constructed from durable exhaust-grade materials and engineered to fit using the vehicle’s original mounting points, installation requires no cutting or welding.
