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FMF Powercore 4 Spark Arrestor Muffler for 450 EXC 03

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    Product Information

    FMF Powercore 4 Spark Arrestor Muffler for 450 EXC 03

    We developed the PowerCore 4 to increase the horsepower and torque throughout the entire power curve and give you a noticeable power increase that is very usable and beneficial, no matter what your riding style or ability is.

    • Space Age internal packing for maximum packing life.
    • Hi-Flo modular end cap.
    • Internal shape of core uses Hi-Flo technology.
    • Enhanced sonic evacuation provides for higher flow and increased power.
    • Product ID: 1012136
    • Manufacturer:
      FMF (learn more)
    • Manufacturer Part#: 045011
    • Sold As: EA
    • Fits (click your bike to view all items for it):
      • KTM 450 EXC 2003
    • Condition: New, unless otherwise noted.
    • is an authorized FMF dealer

    Learn more about FMF

    FMF Racing, California, USA
    Over the decades, we’ve seen an amazing transformation in the world of motorcycles and ATVs. The progression of the technology is one of the challenges that keeps us going. FMF was there in the days when the single shock and water cooled engines were huge innovations and we’re glad to be here now for the aluminum chassis and electronic fuel injection. Our goal will never change - take the most advanced machinery to its limit by building the world’s best performing exhausts. And its a fact, we build every exhaust by hand from start to finish right here in the U.S.A.

    See more products from FMF

    Customer Reviews About This Item

    See all 2
      great exhaust
      by Nicholas L. on 03/19/13
      Pros: easy in/out spark arestor. Has snug Fit with power bmb header. Has a really smooth sound, its deep and loud but not too much.
      Cons: crated a lil more back pressure then my old exhaust so has some back fire.
      FMF Powercore 4
      by Mike S. on 06/14/12
      Pros: the pipe sounds great, and it opened up the top end of my motor.
      Cons: There are stretch marks all over the aluminum where it looks like they had to force the end cap into the pipe. Some of my friends said this is not like FMF. Over all its a good pipe though.

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