Noticable difference in performance, turbo spools up at around 1600 rpm now, and you can really hear it whistle. When I put my foot down, I get a good kick and she pulls like a train. Obviously, your not going to achieve the sort of performance you'd get from remapping a TD5, but it's still pretty good.

As for economy, its given me around 2-3 mpg. May not seem like much, but over 10000 miles that makes one hell of a difference! For £20 (inc delivery) you can't go wrong really. I'd recommend you grab some plus gas off ebay aswell, works wonders on the bolts!

HTH,
Lew
 
You've probably already done it, but an air filter change can make one hell of a difference too. Mine was totally blocked, after changing it, the turbo was really singing!
 

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