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FMF
Power Core 4 Slip-On Exhaust
$269.99 
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MSRP $269.99-299.99
Customer Rating:  


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Available - Usually leaves our warehouse in 1 business day(s).
All 2007 KTM 450 XC-G Racing Parts
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Product Description
FMF Power Core 4 Slip-On Exhaust

  • Race inspired price point muffler made for maximum power output
  • Aircraft quality extruded aluminum canister with stainless steel components
  • 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
  • Spark arrestor included


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Customer Reviews
Average Rating -  Based on 5 Review(s)
Fit   4.6
Features   4.7

Finish   4.7
Cost Benefit   5.0

Durability   4.6
Overall   4.7
Latest Reviews
Fit   4.0
Finish   4.0
Durability   4.0
Features   4.0
Cost Benefit   5.0
Overall   4.2
Michael Berland Grovetown,  GA Great slip on great price This pipe seems to fit what I needed exactly. I ride dual sport and it’s not too loud for the street and really seems to have opened up the breathing. I can really feel the added punch and would recommend this slip on for the money!
Fit   5.0
Finish   5.0
Durability   5.0
Features   5.0
Cost Benefit   5.0
Overall   5.0
Rusty Pasadena,  TX FMF Power Core 4 I installed this silencer on my 2008 Yamaha WR 250R, & It made a huge improvement in power & sound! With the stock muffler, it took a lot of effort to wheelie the bike, but now I can easily wheelie 2nd through 4th.
Fit   5.0
Finish   4.0
Durability   4.0
Features   5.0
Cost Benefit   5.0
Overall   4.6
John Fedor Toledo,  OH FMF - Power Core 4 Slip-On Exhaust Makes my YZ250F run like a 450 on the bottom and mid-range. FMF needs to either design the slip-on to accept the stock rubber mounting washers or include a rubber gromlet/sleeve to prevent vibration from fatiguing/cracking the mounting tab on their slip-on.
Fit   3.0
Finish   5.0
Durability   5.0
Features   5.0
Cost Benefit   5.0
Overall   4.6
Chad Sevierville,  TN Great Pipe for 07 WR250F Great sounding pipe, but I may get the quiet insert, as it is a little loud for the dual sport rides I do. Overall it's a good buy, but you will have to re-jet, my bike required main and pilot change, oh and added fuel screw to dial it in perfect.
Fit   5.0
Finish   5.0
Durability   5.0
Features   5.0
Cost Benefit   5.0
Overall   5.0
Gary Strickland Conyers,  GA FMF Power Core 4 Slip on Exhaust I bought this pipe for my 2007 WR250F. It’s not only improved the power of the bike but it also gave it a really nice sound! It is considerably lighter than the original exhaust and has a really nice look to it too! If you’re looking for a quick upgrade this is it. It’s very easy to install and is priced very reasonable.
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