ok its an xsi not a saxo, but same thing. lol.
fitted my exhaust about 10months ago, Gmc 4-1, Kam racing centre and a custom saxo supersprint backbox.
when i fitted it, it was like this (ignore the welding, my first ever attempt)

good bit of clearance around the bumper.
gradually, over time its moved, now starting to get worried its going to make an appearance through the bumper


what could be causing it to move back, its not even like its just moving with the engine on acceleration, as its permanently moved.
mani has taken a few hits, but only to the very bottom, and surely that would get pushed up, more than backward
fitted my exhaust about 10months ago, Gmc 4-1, Kam racing centre and a custom saxo supersprint backbox.
when i fitted it, it was like this (ignore the welding, my first ever attempt)

good bit of clearance around the bumper.
gradually, over time its moved, now starting to get worried its going to make an appearance through the bumper


what could be causing it to move back, its not even like its just moving with the engine on acceleration, as its permanently moved.
mani has taken a few hits, but only to the very bottom, and surely that would get pushed up, more than backward