Quote:
Originally Posted by
Pleiades
Also in my experience (even with carbs) removing the airbox seriously robs your motor of torque in the low and mid range. The only bikes I've ever found that improve when removing the airbox are carb fed 2 strokes, but i'm more than happy to be proved wrong...
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Not to prove anyone wrong but just to give the facts on these XT660 motors. I can provide a completely standard air box against the stage 3 air box dyno result, the results are similar to the attached dyno run below with a little loose in torque around 2000-2500 rpm. The length of the cone to the throttle body is important in how much torque these motors produce, Freez has done dyno tests to back my statement. So bolting on a pod filter directly to the throttle body would more than likely loose a bit of torque as mentioned.
The dyno results below are with an open air box stage 3 against the standard XT air box with stage 1 +2 filters.
Stage 3 in RED
Stage 1+2 in BLUE
