Hey All,
after months of dithering I've decided to fit a set of Leovinces to my '07r but I have a couple of questions. 1) Do I need to fit an air filter will the bike run ok with pipes alone? and 2) If I do need a filter how do i go about evening up the fuel air mixture to compensate for the increased air flow? I think I read somewhere on the site that the lamda sensor won't do this on it's own and I don't wan't to fit a power commander I don't have the funds. last time I done this was on my old carbed Harley, this fuel injection malarkey too much for me!

Thanks.

T.

Do you need to get a performance air filter with a set of cans? No but it will help the power/torque/throttle response and it can slightly be noticed. But getting a performance air filter does pay off in the long run as you can re proof it many times etc etc.

If you do get one you dont have to get any thing to change the fuelling really but it is adviced to get something. Youve 2 options really

1. A Power commander, which as you said is highly expensive

2. Get a fuel kev mod. Basically a resistor that is linked to the electrics to trick the ECU into allowing a different setting/amount of fuel in throughout the rev range allowing you to fine tune the amount of fuel needed. And good bit is its alot cheaper. have a search of the forum and you will soon find alot of information on it.

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Plough on

Thanks Maxwell, I'll go for the stage 1 air filter. If I do eventually fit a stage 2 I'll buy the fuel mod from Kev.