highly recomend sparks !!!!!!!!

[416 racer]

i just got my curtis sparks x 6 exhusystem and put on and woow a very good four stroke sound loud but not loud like evry body says adn i took it out for a spin and wow my 416 rips now and i mean rips i smashed the throotle in 5th gear adn the front end cmae up on me i rate the exhaust a 100 on a scale one to 10

[416 racer]

guys with sparks pipe is it normal for u to see blue flames when u rev itand it pops kinda then blue flames cum out on mine please reply is it somthing to worry about

[04'400ex'er]

did you install a larger pilot jet when you put the pipe on???