Whitebros E series silencer for Raptor
#2
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i have an e-series on mine and it is a little improvement over stock. sounds great, a little better on the bottom end, not sure of top end, i dont see that much since i ride mountain trails. as far as i know WB doesnt make a head pipe for the raptor yet, at least they didnt when i bought mine, but it is needed. the only reason i bought it is for comparison to stock. i am going to buy a Curtis Sparks system as soon as i pay for all the parts i broke last weekend.
#3
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I've got one on mine. It doesn't make much noticable difference in the power, a little more low end, until you do some airbox mods and up-jet the carbs. The sound is sweet and is worth the price, even if it didn't make any more power! Renn is right about the headpipe, it's not out yet, but it will be. It took them awile to release the one for the 400ex.
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#10
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I installed an e-series and Dynojet kit. The bike had way more bottom and midrange power. I thought it could use more top end so I added 2 more discs and rejetted. The upper midrange is way stronger now. I'm pretty happy with how it runs. I don't think a Raptor can make sick top end power without a performance cam.