Originally Posted by
musti72
i think sirio has no bottom end power... if you are running on a tight track, i think you shouldnt buy that. but if track is large, its awesome
Come races the Sirio owners around my neck of the woods. Believe me they have more bottom end than you think.
With the right tuning, proper clutch and pipe they scream.
ALMTX3- You will be pleased with the OS.12 TZ. Plenty of power and reliability.