[drsketch]

All you guys doing slipons...

Have you done anything with the air intake? fuel/air ratios etc.?

 

[Toy7521]

I have a two brothers slip-on. Didn't change anything else and runs just fine. I need to plug the pair valve to reduce the popping.

 

[Nolaninja]

I have the two bros. It ran fine before the pc3 but it runs much better now with it. It doesn't lean out around 3k-4k Rpms. Much smoother roll on power and just overall runs through the Rpms much more effortlessly.

 

[Pittsburgh650R]

Bought the Two Brother Exhaust and installed it with the P1 that was included sounded great but ran lean also around 3k - 4k RPMS so I tried the P1X and it not only made it less noisy for my neighbors but seemed to eliminate it running lean. Still planning for a Juice Box in the very near future.