Quote:
Originally Posted by
tripletom
With regards to the tuning, you need to think of the bigger picture. With an air filter change and wanting to push more fuel in through the use of a PC, then you want to be able to push those gasses out more, so you might want to consider changing your silencer as well.
Thing is, all the costs mount up and you don't get a huge amount more power.
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It depends on the money you spend, you can get gains from 10 to 50%.
The thing that most riders get wrong is a Power commander is not a
performance tool it is a
tunning tool to allow you to the get the most HP & Torque out of your mods. The other bolt on mods is what gives you the gains.
The Exhaust system only really offers around a 2.5HP gain, the intake filter system can offer a 5 to 6HP gain by them selves. So you can see the XT660 motor is quite restricted on the intake side, start combining mods & the HP & torque will start to climb. A 50HP or 60HP XT660 is a very different bike compared to a standard XT.