Exhaust Shoot Out For The 400ex

[Asphaltdragon]

This article helped me decide which full exhaust to get.

http://www.atvnews.com/output.cfm?id=30961 
 
Notice the Sparks Exhaust has the highest horse power gain

[cain73]

Great article. It's good to see actual dyno numbers instead of outragous claims of "9 horsepower increase!" when looking for a new exhaust.

[stump66]

GREAT ARTICLE DRAGON. The only reason my sons has the Trinity system is I think it was bought with the Trinity 440 kit. Anyway thanx a bunch.

I must also comend you on your video work in the vid section. I hope that you take your talents there and male good for yourself!