whats the best exhuast for 06 ZX6R

i was thinken yoshi. but thought id ask first,and was wondering what else to do to get more hp out of it
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mitch179 wrote:make sure u buy from over seas .. too exy from local places .. yoshi looks the best imo!
Plasma Blue 636 wrote:Not a fan of the Yoshi, love my Micron and the Apropovic is sweet.