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A Few Exhaust Questions


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I'm thinking about a new muffler for my AC 400, but I have a few questions...

1. Will it void my warranty?

2. Will I get a noticeable gain (torque, speed, etc)?

3. Will the pipe require me to re-jet or do anything else?

My choices are:

Muzzys

Super Trapp Mudslinger

Super Trapp IDSX

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You DO NOT have to rejet in every situation. I put an after-market pipe on my quad and did not change my jets. It runs fine. Only difference other than the performance gains was every now and then I get a little back fire. Like once a ride. If you put a pipe on and it is popping like crazy change it. You will know right away if you need to.

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You DO NOT have to rejet in every situation. I put an after-market pipe on my quad and did not change my jets. It runs fine. Only difference other than the performance gains was every now and then I get a little back fire. Like once a ride. If you put a pipe on and it is popping like crazy change it. You will know right away if you need to.

i would rejet anyway so u get a little more power from your wheeler

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rejetting is wen u take the jet that is inside ur carb and change it to a smaller jet stream or a bigger one.... now u do get better mpg and more hp..... but a problem with rejetting is that if u live in a region with different climates you have to change the jet for warm weather and cold weather.... it is a lot cheaper then the other kinda of mods out there but u also need to know wat ur getting urself into before u tear ur carb apart...

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You cannot REJET a Carb on the internet.....:laugh:

But....For any of you that have Questions......I found this for you.....Very Good Read

carb tuning

Personally,,,,,,When I change a Pipe.....From Stock to Aftermarket,,,OR,,,,Aftermarket to Aftermarket.....I do a Plug Chop to see where Im at....I let the Plug do all the talkin:wink:

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rejetting is wen u take the jet that is inside ur carb and change it to a smaller jet stream or a bigger one.... now u do get better mpg and more hp..... but a problem with rejetting is that if u live in a region with different climates you have to change the jet for warm weather and cold weather.... it is a lot cheaper then the other kinda of mods out there but u also need to know wat ur getting urself into before u tear ur carb apart...

i dont even like to touch my carb

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..... but a problem with rejetting is that if u live in a region with different climates you have to change the jet for warm weather and cold weather....

I thought rejetting was dictated by alititude and not climate?

Basing it on seasonal changes would be a major design flaw....IMNSHO......

-TD

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Rejetting is necessary when there is a change in the air to fuel mixture. It can be with altitude or it can be with changing parts like intake and exhaust components. Now that I have this written I think that txduggan was being a smart as* and this makes me look like a dumbass but I gonna leave it anyway. :dammit:

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i know that it is about altitude,,,,, but wen i called my dealer after installing the kit he said u have to change it to the different climates.... sounded a little odd but i have no idea if he is right or not...

it depends on how thick the air is, like in the winter u drop a size becuase of the air in winter is thiner.

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okay i have a question, What is re-jetting? and how do I do it?

theres 2 jets the MAIN & PILET. the pilet jet is for bottom end power changes and is fine tuned with the air fuel screw, the main jet is for mid and top end power changes a mid power change is done by the needle clip setting and a jetting change, and the top end power change is done with a main jet change and needle if needed. If u are running lean(to much air per gas) then jet up, and if u are running rich(to much gas per air) then jet down.

i hope this helps you.:yes:

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theres 2 jets the MAIN & PILET. the pilet jet is for bottom end power changes and is fine tuned with the air fuel screw, the main jet is for mid and top end power changes a mid power change is done by the needle clip setting and a jetting change, and the top end power change is done with a main jet change and needle if needed. If u runnung lean(to much air per gas) then jet up, and if u are running rich(to much gas per air) then jet down.

i hope this helps you.:yes:

mine was running too lean the other day i think it was from hitting a tree, it shook it up

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theres 2 jets the MAIN & PILET. the pilet jet is for bottom end power changes and is fine tuned with the air fuel screw, the main jet is for mid and top end power changes a mid power change is done by the needle clip setting and a jetting change, and the top end power change is done with a main jet change and needle if needed. If u are running lean(to much air per gas) then jet up, and if u are running rich(to much gas per air) then jet down.

i hope this helps you.:yes:

That's on a 2 stroke. On a 4 stroke there is only one to change for altitude.

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