e-series pipe help

[DoPeExRiDeR20]

you all have helped me before with question bout my pipe but i got one more....... what does the spark arrester do in the pipe? does it lose anyhting power or speed when u take it out.......thnx

[AtvMxRider]

When you take it out its just like having an open exhaust. Its going to be loud as hell.

[Steve-o 400EX]

Yea, it will be loud, i dont recommend it, it does hell on ur valves.:eek2:

[zoom400ex]

ya it does a job on your valves also is much much louder. i recomend keeping it in