gsx-r shoots blue flame on back fire...

trying to do a couple quick throttle ups to see what the flame looks like when it bursts... some wind noise distortion but overall pretty sweet

[@bigsamjoon]

its got a two brothers vale 2 exhaust on it in this video... i have the yoshi R55 slip on now

[@rossom26]

hey there ;) do you need special kit to make the blue flame come out the exhaust and how do you do it?

[@GixxinStars]

was the valve 2 full or slipon?

[@bigsamjoon]

slip on