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TRX 400EX 05 Power Increase
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Posted: 09/21/08
06:53 AM
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I just bought my 400EX about three weeks ago and need some advise on some power upgrades that dont cost to much money. I was thinking a new REV box and Coil, and new intake box.
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wolf1
Addict
| Posts: 2207
| Joined: 11/07
Posted: 09/22/08
03:42 AM
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go with a 42 tooth rear sprocket.
if i remember correctly it comes with a 40 tooth factory sprocket
Keep it RUBBER SIDE DOWN!!
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df2484
New User
| Posts: 4
| Joined: 04/09
Posted: 04/10/09
08:47 PM
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that 42 tooth rear sprocket wont make much of a change. get a jet kit runs about $50, a stage 2 hot cam runs about $130, a k&n air filter runs about $50, and if u want more speed go up 2 teeth on the front sprocket
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