06 450 Spark Arrestors

30 replies to this topic
  • moochie

Posted May 24, 2006 - 03:31 PM


Hmm, I must be crazy. I have a Q2 on mine and like it.
Extremely quiet and I cant tell where there's a power loss anywhere.

Are you sure you're not letting the reduced noise effect your seat of the pants feel?

  • dbehr624

Posted May 24, 2006 - 04:40 PM


If you are willing to shell out the cash, go for this...GYTR

  • David37

Posted May 24, 2006 - 09:14 PM


If you want a quiet pipe with a spark arrester and will meet the 96db sound requirement buy either the FMF Q2 or WB E2. I'm running the E2 and yes, their is a small loss of low end power.

  • SurvivorMan

Posted May 25, 2006 - 12:03 PM


moochie, what did you change your jetting too? and i mean from stock exhaust system because we are at different conditions (altitude and temp) i had to go leaner on the needle and main. i agree, the loud pipe feels more powerful simply from the volume. i tested both stock and Q2 back to back to back in the same conditions and yes, there is a very noticable mid range power...the biggest issue being torque. but this is understandable with a restricted flow.

  • moochie

Posted May 25, 2006 - 07:48 PM


I have a 48 pilot /170 main.

Each person has their own take on how stuff runs on their bike so I know everyone will have a different opinion based on their own experience.

A lot of the riding I do would involve mainly low to mid power range stuff and the Q2 is ok with me. For example, I have a track in my backyard that has a step up double area with the approach being a pretty short run out of a 180 degree corner. Using this familiar section as a point of reference, my bike seems to pull strongly on the step up regardless of whether the stock or Q2 muffler is on. One of the main reasons I use the Q2 is that it does a great job of keeping the noise level down, which is a main concern since I dont want to pizz off the neighbors. I'm actually happy enough with the Q2 that I dont really feel the need to swap back to the stock muffler for a race.

I have thought about putting the stock one back on for races...just so I dont run the risk of messing up my quiet muffler.

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  • bluestreak450

Posted May 25, 2006 - 08:57 PM


I put the Pro Circuit TI-4 silencer on, and it is obnoxiously more loud. I have never had it sound tested, but I immediately noticed the difference. Pro Circuit says it's 106 dB, and I got the quiet end cap. It's supposed to bring it down to 98 dB. Seems to make the bike breathe easier, though.

  • brennnenn

Posted May 26, 2006 - 08:33 AM


My buddy has a PMB [pro moto billet] one. It looks really cool and he said he doesnt notice any power issues.

  • RIDE 13

Posted May 29, 2006 - 11:00 AM


:D White Bros. E-2 94 db,no power loss,bolts right on,$279 at motosport outlet.com (1-888-676-8853) :applause:

  • 061900

Posted May 30, 2006 - 04:02 AM


For those of you running the FMF Q2, are you using the stock header or did any of you go with their SX header(#044031) When I called FMF back when I got my 06 and was looking for quiet, they strongly recommended this combo for woods. I have found this to be a very good set up and still relatively quiet. Perhaps a little less pull right off the bottom, but strong everywhere else, and it fit right up very well.

  • Fastdaddy

Posted May 30, 2006 - 05:06 AM


I also have the pmb end cap. looks pretty trick, nicely machined, and super easy to install. Sure beat 400.00 for a can. They also have a really trick kickstand for any one who rides the woods.

  • SureBlue

Posted May 31, 2006 - 08:02 PM


:D White Bros. E-2 94 db,no power loss,bolts right on,$279 at motosport outlet.com (1-888-676-8853) :applause:

I'm thinking of buying this one, when did you get your's at that price?
Can you tell me more about the pipe, perhaps post a pic of your bike? Motosport sells it for 359.95 today, any better deals available?

http://www.motosport...87516&id=312008 (copy - paste)


Has anyone tried the new GYTR quiet slip-on muffler?

Thanks for help.

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