big gun race for 250ex

[bens250ex]

does anybody know about a big gun race for a 250ex like is it loud and does it give much power.

[250exrder]

yea my friend has a big gun race on his 250, it sounds nice better than stock but his has a quiet core in it and its still louder than stock, it also helps alot when ur in 1st and 2nd gear