63mm / 2.5" Pre-Cat Replacement Pipe
Replace your existing Pre-Cat with this 63mm / 2.5" precision made stainless steel section for a power gain of approximately 10+ bhp.
• Astra G (Mk4) Hatchback Z20LET
• Zafira GSI Z20LET
• Astra H (Mk5) SRI Turbo Z20LEL/LER
• Astra H (Mk5) VXR Z20LEH
This pipe is also suitable for the Astra G Coupe Turbo if the car has a separate, removable pre-cat. If your Coupe has the pre-cat combined with the main catalytic convertor, we can also supply a 200 cell sports cat to enable you to use this pipe.