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Originally Posted by alroumi Its do-able with an ecu upgrade, sports airbox from the Mercedes Benz sports package and some drop in aftermarket airfilters, exhaust system and headers will give you somewhere around 300-305hp which is SL500 territory. |
So, what kind of ECU upgrade should i do? And exhaust system and headers? can I purchase it online and approximately how much am I gonna be looking at to spend? I hope not a lot....