Which exhaust is the quietest?
#22
The 2 bros M7 is one loud sum beotch w/o the P3 insert. At idle its obnoxious, when taking off its embarrassing being soo freekin loud and going no where until you get into third gear.
With the P3 its got abit more backpressure so it feels like it has more umpfff off the line.
All around its way better w/ the insert.
The length of the canister of the FMF is 1.5 times the length of a 2 bros. If I were going to buy again I'd go w/ the FMF Q4 & powerbomb header.
With the P3 its got abit more backpressure so it feels like it has more umpfff off the line.
All around its way better w/ the insert.
The length of the canister of the FMF is 1.5 times the length of a 2 bros. If I were going to buy again I'd go w/ the FMF Q4 & powerbomb header.
#23
I've heard that the klx300 exhaust on this bike is basically the same as a full muzzy, fmf, etc. upgrade.
#24
I have two 2007 KLX 250s and purchased an HMF slip-on and QC insert for one of them.
I'm in the noise contriol business and within the week I plan on taking my sound level/ frequency meter home to get the sound level of the stock pipe Vs the HMF with and without the QC insert -I was actually able to get a copy of the test standards to get the distance etc. I'll post the results.
Glen
I'm in the noise contriol business and within the week I plan on taking my sound level/ frequency meter home to get the sound level of the stock pipe Vs the HMF with and without the QC insert -I was actually able to get a copy of the test standards to get the distance etc. I'll post the results.
Glen
#26
I rode my bike with the HMF to work today to get the sound levels. I have an SAE test standard that indicates that the sound level is to be taken in neutral at half of the rated engine speed (1/2 the redline rpm?), at a 45 degree angle 20" away at the approximate outlet elevation. This is SAE J1287 Reaffirmed July 1998-anyone know if there are others or is this the best standard to use?
Last edited by glava2876; 08-27-2008 at 01:56 PM. Reason: Added more
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