I raced my son on his 08 kfx450 and there was no contest.
Black top road.
400yrds run
Within 30yrds i was 2 bikes ahead
within 100yrd i was 4-5 bikes ahead.
8-10 bike lenghts ahead by end.
ran 3 times with same result.
no mods on kfx
hmf pipe and uni on 800 renagade.
My son was discusted..... One of his best freinds watched him
loose his butt after he was bragging how fast his was...
Life is sweet.