I’m wondering what what exhaust is best to get?
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2018 yz 125
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get an FMF Fatty pipe and Shorty silencer, you'll want to pick up a mop too if there are going to be any women within ear-shot of that fuckin' beast
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X3 on this
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2017 RMZ450
2005 YZ250-sold :,(
1998 YZ250
2005 KX250F
80% of the time it works every time
IG @2HRacing
Thanks to : Factory Effex, N2Dirt, Acerbis, DT1, Fasthouse, Matix, FMF, ASV, 100% & Mika Metals
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Had both. Liked the FMF setup a little better
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"A link is only as long as your longest strong chain"
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rosebud441 wrote:whats RV using on his??
Might look a little weird running PC suspension and motor work with and FMF pipe 
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2017 RMZ450
2005 YZ250-sold :,(
1998 YZ250
2005 KX250F
80% of the time it works every time
IG @2HRacing
Thanks to : Factory Effex, N2Dirt, Acerbis, DT1, Fasthouse, Matix, FMF, ASV, 100% & Mika Metals
Posts: 1499
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Location: Bellingham, WA USA
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I prefer the PC works pipe with the shorty. Slap a Vortex ignition on it and watch it sing.
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bd
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Location: Farmville, NC USA
Edited Date/Time:
When we where in the 125 years it seemed to us the FMF pipes had better bottom end and the PC's worked better up top! We stuck with FMF's!
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2020 YZ450F
2018 KTM 450SXF FE
2016 YZ250F 2008 CRF450R
2015 YZ250F 2008 CRF250R
2001 CR250R
2010 YZ250 2012 CRF150R
2009 YZ125 2010 KX109.5
SSR Motorsports Dealer YCF Motorcycles
TAGMX Suspension & Graphics! www.tagmxsuspension.com https://www.liquidskinzdesign.com/
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rosebud441 wrote:or maybe he actually likes PC stuff.
It was sarcasm
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2017 RMZ450
2005 YZ250-sold :,(
1998 YZ250
2005 KX250F
80% of the time it works every time
IG @2HRacing
Thanks to : Factory Effex, N2Dirt, Acerbis, DT1, Fasthouse, Matix, FMF, ASV, 100% & Mika Metals
Posts: 1402
Joined: 5/9/2011
Location: AUS
HGS makes the best yz125 pipe. It basically mimics the stocker all the way through the rev range and then adds power at peak
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Posts: 1402
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Location: AUS
Edited Date/Time:
Here is a photo another poster put up here not long ago . Red is HGS,
blue is stock 
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Peelys got it figured out. Also, pick up some 110 race fuel and mix 50/50 with pump gas just for the smell.
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Location: Kent,medway...., GBR
The world is your oyster.....they all look good to me 
...the hgs and doma work well on the yz125......would'nt know for sure what the best combo is though.....kinda hard to prove really.....as everybody's riding style/preference is different...
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Location: Stockholm, SWE
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Location: Chicago, IL USA
I had a 2016 for awhile, the stock pipe actually performs best overall, instead of robbing from the bottom end or mid, there's an MXA test that also mentions this. I ran a PC R304 for the silencer. Perfect setup IMHO.
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"Asking this question here is analogous to going to a KrispyKreme store and asking the patrons if you should have a doughnut."-NotCore
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Location: Kamloops, CAN
This is why we run on our yz125s. Strip the paint and sand off the stamped lettering. We used high temp clear to reduce the maintenance of bare steel.
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HGS, that is the pipe to get if you're on a 2 stroke.
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Current fleet of two wheeled vehicles:
- Yamaha YZ450F 2020
- Suzuki GSX-R 600 K7 track spec
- Canyon Sender CF 8.0 2018 Downhill
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Shorty makes low to mid snappy power, why would you do that to a 125? Got to add power to the top, only place on a 125.
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Posts: 256
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Location: OH, USA
Peelout is right on here can never go wrong with a fatty. had a lot of fast 125's but my favorite was my yz125 with fatty and shorty silence, vforce3 reeds with about a quarter inch reed spacer. I've had faster 125s but that yz pulled from bottom to top, great woods bike.
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Location: Austin, TX USA
Bills Pipes are always my preferred 2 stroke exhaust
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If it can't be fixed with a hammer, it's an electrical problem.
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