colin002 said:
z22se has a push fit
z22yh i think is flange
i have looked at the signum front pipe and the part number is the same as the vectra c early 2004 on vin change so im going to say the z22se front pipe is different to the z22yh,epc shows a vin change and the later vin pipe is the same,but as most aftermarkey pipes will be the early vin it will be different,vauxhall do not list a seperate flexy for the z22yh or z22se so i would say the front pipe part number is 55352870 and gasket part number 55557507 which is the same part number as the z22se