01-12-2014, 11:22 AM
Best person to talk to is Steve at hdi-tuning.co.uk, he did a map like that for me last year. The main benefits will be in mpg and driveability, rather than any real power gain.
Why not go stage 2? You'll get a lot more power for less expenditure.
Why not go stage 2? You'll get a lot more power for less expenditure.