I have a HMF Competition Full Exhaust System in Black (450sx or 505sx for sale. Still in unopened box. $400+shipping
**********Email: [email protected] I hardly ever have time to get on the forums anymore************
Hi, i have recently bought a HMF full system for a 450xc stock.
The user guide says to change the Stock pilot jet for a 45pilot jet, ive done this and it is better than with the hmf and stock jet, but
It has lost that bottom torque at the low to mid rpms.
I would like some advice on tuning the...