friend of mine took his 96 V8 GS to hartwells northampton cos it was running a bit rough verdict new exhaust cat and manifold £1500 plus vat total over two grand dont think so he said took it to local garage in rushden he wiggled around his ht leads making it run on all eight again instead of only six as it was price "dont orry about it mate " so he bunged him a tenner for a drink and went home smoothly two grand better off good old hartwells