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I need to know if there are any tuners out there who are able to tune the 4.2 V8 in the S5 to around the 430 bhp mark, without using a supercharger. I mean I am aware of the obvious filter change, exhaust change and remap, and the Supercharger that gives 500bhp, but what about anything in the middle, I mean is there anyway of getting the 430 bhp through other means? I do not want to spend another 20K on a supercharger because thats just silly money. Anyway lets see if anyone knows of anything better. Thanks for taking the time to read..
Matt

have u spoken to MRC ?

Yeah am awaiting a reply to an email, but thought I would try here also to see if there is maybe someone who I have not heard of who can help. Thought I would save myself 20K on buying the S5 over the RS5 and be able to get another 60 BHP through other means, but from what I hear chatting to people on these forums, apart from filter change, ECU upgrade and exhasut that seems to be the limit. Will still keep my ear to the ground though and see what comes along.......

Is power the only significant difference between the S5 and the RS5?

Drc
S tronic
Crown differential
Higher revving

Another looking for more power over the standard 3 things...