air box mod or not 2011 @ 2012 apex

[polarisjackass]

hey guys i would like to know if anyone could tell me air fuel numbers? i was at bender talking with jerry, he told me 2011 @ 2012 apex run lean on top end. If he is right i will need something to fix this, any suggestions?

 

[stone88]

hey guys i would like to know if anyone could tell me air fuel numbers? i was at bender talking with jerry, he told me 2011 @ 2012 apex run lean on top end. If he is right i will need something to fix this, any suggestions?

Put my fix ram air on my 2011 and you will need a fuel controller as the a/f gets into the mid to high 14.5

 

[Daranello]

Ttt

 

[sx7001]

I have a Ulmer mod lower box if anyone is interested. Fits 11 or 12 Apex.

 

[Riceburner]

Ttt

Stone answered above.

Yes they are very lean stock.

Buy the Ulmer box from SX7001 and get a PC V.

Good for a little over 8 hp.