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Z06

Which Pipe insert offers Best Sound & Performance WR450???

10 posts in this topic

I am picking up a 2004 WR450F next week.

I do NOT want to buy a new pipe, bike has plenty of power for me. However, I do NOT want to lose power either. Otherwise I will keep the stock sound. :)

I would mostly like a better Sounding exhaust with"out" a loss in performance.

Does anyone know the Factory Decibel rating?

Are these Inserts mostly for NOISE reduction, or do some actually offer a better sound?

Thanks

Mac

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I really like the sound of my Baja Designes insert. I get better performance about 92 DB sound and zero maintenance. Price wasn't bad either. :)

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The stock insert is a joke. I bought the GYT Yamaha insert and the Pro Moto Billet inserts. I liked how the bike ran and sounded with the Pro Moto Billet. You will have to richen up the jetting.

The bike has plenty of power.

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I really like the sound of my Baja Designes insert. I get better performance about 92 DB sound and zero maintenance. Price wasn't bad either. :D

Any power Loss?

Is the sound deeper?

I'll check out the Baja. :)

Mac

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The stock insert is a joke. I bought the GYT Yamaha insert and the Pro Moto Billet inserts. I liked how the bike ran and sounded with the Pro Moto Billet. You will have to richen up the jetting.

The bike has plenty of power.

It seems like everyone has had the GYT. :D

I'm leaning towards the PMB. :)

Mac

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None of these inserts are quieter than stock. None of them make less power than stock (insert in place). If you remove the stock insert, it will make better power, but piss off the neighbors. An aftermarket insert is a compromise between the two. Better power than stock insert, and quieter than no insert at all. :)

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FWIW I have tried several inserts and I have the FMF Q. The Q has the best power out of everything but the uncorked stocker but in many places you can't get away with running it uncorked. The Q is a lot more $$ than an insert.

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None of these inserts are quieter than stock. None of them make less power than stock (insert in place). If you remove the stock insert, it will make better power, but piss off the neighbors. An aftermarket insert is a compromise between the two. Better power than stock insert, and quieter than no insert at all. :)

Any idea what the Stock decibel rating is on the WR450?

So according to your statement, all inserts will make more power than stock and will be louder than stock. Correct?

Mac

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