The jets they recommend was 138/142,and that worked well. ,even a little better with a Thunder preducts TPI valve 1/4 open. The best was 140/145 with the TPI valve full open.We are about 800 ft elev.B bertram,I'll e-mail you tonite.Dale

 

Here's what mine looks like with HMF cans in special order gunmetal gray. They are MUCH louder than stock, but much better sounding. It is a waste to put them on, though, if you're not going to jet it up to 160/165 and open up the intake a bit. THE RESULTS ARE INCREDIBLE. I will be taking it to a dyno soon. Anyway...

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Michael

 

I am looking to buy a new 04 or 03
v force 700 has anyone had any problems with them?

 

I listened to Kevin's sound clip and I thought the Alien's sounded great! Can anyone else post a sound clip of there exhaust systems? I am real curious to hear the other brands also. Is there any certain brand that is outperforming the others. I know other mods can change the outcome.

 

I run the Aliens duals. Sounds great. Huge power increase but also in decibels. Has anyone tried the quietcore inserts?
i also experience i little bit of backfire problems

 

I also had backfire on let-off on my HMF's until I found the exhaust leaking on the rear pipe at the cylinder. Tightened and now no backfire.