Can anyone advise on some ways to improve the performance from a 2003 2.0l XSE 307. I've investigated the powerchip option but arent keen on having to reflash the ECU everytime after a service. If anyone has chipped the 307 can they advise on what they thought of the benfits and the after sale service from powerchip.

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Being an old alfa guy, I think of extractors, K&N filters, lumpy cams, etc but the 307 seems a bit too technical and modern for that so would really appreciate some help from knowledgeable Peugeot people.

Any advice is very much appreciated.

John