The leads were made up by an auto electrician for me and replaced when it started missing as I thought it could be the leads. The only other thing I can think it could be the is maybe the BOV as this is an unknown type and make being on the car when I bought it and as my co2 readings are all over the place on tick over I don't know if this if faulty.
As for the exhuast and air filter they have already been changed for a cone filter and a 3 1/3 inch system straight through from the turbo. I have an intercooler fitted just need some pipe work to plumb it in now.
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