Well couldn't get hold of a GSi Cat after all
So i took my mates Astra Cat and made it fit
The only difference is that the end flange is a 2 bolt one where the GSi uses a 3 bolt flange.
Soooo the end of the Astra Cat was chopped of and the 3 bolt flange welded on. Sorted
Well ur problems r over and mine have only just started. My piston rings have just gone i have an engine managment fault which has turned out that i have got a 1.6i ecu on a 1.6 car. My 60 mm shocks have gone on the front. All within the last month