spark arrestor

10 replies to this topic
  • andy666

Posted February 08, 2006 - 08:47 PM


Whats the best spark arrestor for the stock muffler on a 04 yz450.

  • cowboyona426

Posted February 08, 2006 - 10:50 PM


I've been hearing good things about the QP spark arrestor available from Purely Custom

  • aford541

Posted February 08, 2006 - 10:53 PM



  • bajabound400

Posted February 09, 2006 - 12:45 AM



I have a Pro Moto Billet on my '03 450. It states that it is USFS certified, so i guess that is good enought.

  • EastBayThumper

Posted February 09, 2006 - 12:55 AM


PRO MOTO BILLET !!! hands down the best for your stock muffler.
All they do is drill the rivets off your current tip and replace it with a neat new one. You can also remove the silencer or spark arrestor with a wrench whenever you feel like it.
best buy!

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  • andy666

Posted February 09, 2006 - 02:53 AM


How much do they run ?

  • sirthumpalot

Posted February 09, 2006 - 05:29 AM


ProMotoBillet makes one, Dr. D (dubach racing) makes one, and there are others.

  • jeffboyd47m

Posted February 09, 2006 - 08:44 AM


How much do they run ?

Dr. D sells them in the 90.00 range.

  • cowboyona426

Posted February 09, 2006 - 08:01 PM


PMB's are $125 now, the QP runs $150, not sure about the Dr. D. The QP is funny looking, but they are 96dB without an insert and they actually increase performance- their web site has a dyno run on (I think) an 05 YZ 450 with the QP as compared to a stock pipe. Right now I'm torn between the QP and the PMB for my 06, but I may just say screw it and order up a Thunder Alley slip-on and save myself the trouble of having to do it later.

  • gdbarr1976

Posted February 09, 2006 - 08:40 PM


I put a pro moto on my 06 and my sons 05. It is weird. It really quited down my sons 05 but did'nt really seem to make as much difference on my o6. But my neighbors and the forrest service appreciate it.

  • MotoGoalie

Posted February 10, 2006 - 07:44 AM


Whats the best spark arrestor for the stock muffler on a 04 yz450.

I've got an FMF Q on my 03, that works good, doesn't screw up the power and was cheap.

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