How much HP do you think it has? [Archive]

400ex men

11-03-2004, 10:44 AM

How much HP do you think it has? its a 03 400ex with a x-6 k&n no lid and HotCam's stg 1 and a jet kit:)

cals400ex

11-05-2004, 07:05 PM

i dont know, maybe 28-30

Cole Trane

11-05-2004, 07:12 PM

I'd say closer to 32 maybe 33. Replace that K and N and you'll see a better gain, that's for sure. Use a foam filter.

TRXRacer1

11-05-2004, 10:04 PM

lmao! Don't change your filter, it flows more than you'll use.

Flyin#3-1/2

11-05-2004, 10:45 PM

I don't know if it's running as high as 33 HP? A CT 440 Midrange kit runs 39 PEAK HP. I'd say 28-30.

TRXRacer1

11-06-2004, 01:17 AM

Your 26-27 stock so I bet your 29-30 now.

400ex men

11-06-2004, 07:41 AM

i got that k&n for $30 it was used but it looked new so im awright with it:)

400exstud

11-06-2004, 05:53 PM

K&N flows the best and I haven't had a frigg'n problem with mine.