Quote:
Originally Posted by CA Automotive
Remember also power modifications are not always cumulative in their gains, that is to say if one product is claimed to give an increase of say + 10 bhp and then a different product at +15 bhp, fitting both together does not necessarily gain you +25 bhp
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This is a fact. I had the full Kelleners-Sport tune and headers and pulley added to the mix. The headers and pulley from Evosport only added a net 17 ps on top of the Kelleners-tune when compared to a fellow Kelleners M5 tuned car.