Right lads,

help me out a bit here.

I've just booked a 3 day trackday event at Park Algar in Portugal.

Plan at the moment is to use the XT660x over there. However i do have a choice of a GSXR 600 i've recently re-built/restored.

Problem is, i REALLY need more power to get the best of the track. Ideally more top end. I could in theory run a lower tooth sprocket on the rear if i can squeeze a bit more out of the bike.

So currently i'm running a stock machine, snorkel removed and a set of cans fitted.

So... this DNA stage 1, stage 2 etc confuses me a little.

I've seen Kevs threads about "if you run this you get 3bhp more, this you get 2bhp more"

But i'm still confused.

So considering my setup, what's the way forward ?

Sorry it's a daft Qn, i have honestly read stuff and am generally clued up on bikes (have done 2 recent rebuilds) but i think i'm missing something.

SO i see, +DNA stage 2 filter only, standard main filter = 3.1HP. (Best gain in HP & torque for your money.)

Now see where i get confused is
http://www.dnafilters.com/filterdeta...p?filterid=258

Is that all i need to purchase ?

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