Just failed MOT on exhaust, even though the tester insisted it had no cat, which it has and no lambda sensor, because he couldn't find it. Anyway it has a powerflow , which appears to have standard down pipes with a mod welded on , bit in middle doesn't look standard and pipe and box welded on the back.Last box is corroded and blowing, rest is ok apart from a snapped bracket at the front.
Can't seem to find a direct replacement for the back box, so what new complete system would anyone recommend, that doesn't cost a bomb.
I am going to see if i can get the exhaust patched and weld the bracket soI can make sure it passes the emissions test before I blow loads on an exhaust.