Need more power down low.

I have a 2003 yamaha yz450f with a Dubach slip-on. If I put the stock exhaust back on would it give me more power in the lower rpm's? thanks

I have a 2003 yamaha yz450f with a Dubach slip-on. If I put the stock exhaust back on would it give me more power in the lower rpm's? thanks

no, but a Big Bore kit will do it for sure......... :applause:

Or a full WB or FMF exhaust can give you a little more

powerbomb header,(which will work as a stock replacement,so it should work with the dr.d) powernow insert,icat,04 wr needle(DWR),twin air filter,CR8EIX irridium plug. +6 or +8 flywheel :applause: oh ya max powers ice cube 523 kit :ride:

try rejetting the bike first.

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