[Carpenter Ken]

Is the second muffler welded to the stock muffler?

 

[Vibram]

It looks great the only thing I see wrong with it, is that it is not on my machine.

I just ordered the mufler.

This is a Longshot but do you know the part numbers for the summit 90's?

 

[Renotimberwolf]

Is the second muffler welded to the stock muffler?

Yes, the muffler shop said it took about two hours, but I know if you had to do it again he could probably do it in an hour

 

[Reno4x4]

It looks great the only thing I see wrong with it, is that it is not on my machine.

I just ordered the mufler.

This is a Longshot but do you know the part numbers for the summit 90's?

There are also 180* bends, if the radius works, might as well eliminate the extra work and seam.

https://www.summitracing.com/search/part-type/exhaust-tubing?N=exhaust-tubing-type%3Abend%2Bbend-angle-degrees%3A180

 

[Reno21]

Thanks for the link Reno4x4. Looks like we've got 3 Reno guys on here.

 

[Reno21]

Thanks for the pics timber wolf.

 

[therebel19]

I like the idea of a second muffler to make things quiet. However, I wonder if replacing the stock muffler with something quieter might yield the same results without adding on the additional muffler. I may have to research this further.

 

[Eztrail]

I like the idea of quieter just got to believe there will be some power loss.

 

[Madcat]

I like the idea of quieter just got to believe there will be some power loss.

I hope he reports no power loss and posts db's or vids. I don't worry too much about noise but it would be a mod I would do if it checks out!

 

[Reno21]

A little power loss wouldn't matter to me. I don't use all of it anyway.

 

[Vibram]

If we lost much power we could take the rpms back up.
But honestly I doubt that I would.
I like cruising and crawling.

 

[JaredJed]

Just wanted to share a little mod I did to my Rmax. I added a 1-¾ tail pipe. Machine is not only way quieter but also sounds way meaner, throaty-agressive. I used a 16ga mandrel U bend and then a 18ga straight piece and then welded the original tailpipe elbow back on. Made a hanger for it and also I removed spark arrestor screen (leave this in for maximum sound reduction) and had to remove plastic heat shied. Zero power loss maybe has little more if anything. View attachment 103506
View attachment 103505
View attachment 103504

Hey there, I got myself an RMAX last year and have been looking for ways to make it quieter. Came across your post and seems like this it the best option. I live right over in Readfield and was wondering if I could hire you to do the same upgrade to my RMAX? I don't have the welding/fabrication skills to do it myself.

Thanks, Jed.

 

[Renotimberwolf]

Used on three different rides from sand to very rocky terrain. No power loss and quiet enough to talk while driving. So nice not having to wear ear muffs! Would do it again!!

 

[SeventyGTX]

Couldn't find a mandrel bent piece of tubing? Summit Racing is just down the street, they have them in stock.

We used to live in Fallon, in fact I belonged to Reno4x4 when I had my Samurai.

I miss being close to Summit, they have an incredible selection goodies for gear heads of all types.

 

[Eztrail]

I'm not close to any trails but I am 1hr from summitt

 

[SeventyGTX]

I'm not close to any trails but I am 1hr from summitt

Fallon is an hour to the east of Reno. Lots of trails all over northern Nevada or the Sierras for that matter.

 

[Archer01]

Not that I've heard but you might be on to something.

I guess I"ll have to try it .. worth it if it works...

I think I'd rather redesign the 'baffle' and incorporate that into the existing muffler... I like fab'ing things... but not if I don't absolutely have to.

 

[SeventyGTX]

Welp, I just ordered the AP muffler and will go talk to our local muff guy and get his thoughts before I order the mandrel bent tubing just to see if he has it. Looking forward to quieting this thing down to keep wifey and our pooch happy, especially when the enclosure is on.

 

[Eztrail]

Keep us posted!

 

[SeventyGTX]

Keep us posted!

He can do it no problem after I showed him the pic of the OP's ride with muff installed. Going to get a sheet of aluminum for a heat shield and still need to get the U-bend and tip ordered since he doesn't have them in stock. But I need to wait until the muffler arrives so I can see how long of tip I need because of my bumper.

Also, I have a db meter on my phone and will do before and after results. One thing about it, if I don't like it for whatever reason, it will be easily removed and I will keep the current Weller tip I have since the stock one will be useless.