I am looking at "universal" fit mufflers on Amazon, and it seems like there are 2 common types, and they both have the 3 bushings for fitting different size pipe. They are the type with the cone shaped end, and the type that turns out.  How much will a stock Savage benefit from these type mufflers, and rejettin the carb.  Do any of you use either of these mufflers ? If so, how do you like them? Do the fit the header pipe for a good leak free seal?  What pilot, and main jet would you recommend for a 2004 ?  Most of my riding is going to be at around 600 ft above sea level.  Thanks
 https://www.amazon.com/D1M-Universal-Stainless-Motorcycles-Black/dp/B09KLL949....        
     https://www.amazon.com/Motorcycle-Universal-Stainless-Silencer-Moveable/dp/B0...

Thanks Dave.  I wasn't wanting an incredibly loud exhaust.  How much better will a stock bike perform with a less restrictive muffler than the stock one , if I just re jet the carb, but leave the air box alone ?

TheSneeze wrote on 01/29/22 at 07:36:34:
 Thanks .I will check it out.

I have the VooDoo slash cut on my 03 Savage. First I will tell you bike sounds like crap, sort of like a loud lawn mower if you just bolt it on. And it is loud. That said I have a fairly elaborate mounting for it and have added 2 baffles in the path and am very happy with the sound, volume and performance. I also mounted it as a 3/4 turn down not a side exit.

I did not make any change to the jets, bike runs fine as it is set up, maybe a little lean at times. Overall I am very happy with it.

So what did I do, first I built a new mounting bracket to bolt it up to the stock mount point. I also built a intermediate connector between the header and muffler to get it too the position I wanted it. At the back end off the connector I installed a short deflection baffle, which inserts into the muffler. At the rear end of muffler I installed a second catalytic baffle.

All that said, I will point out that by converting it to a down turn you effect and redirect the sound output. Sound is actually a wave and travels as such. Mounted as a turn out you are directly sending that wave out to the side, broadcasting it into open air with nothing in it's way. Once you turn it down you are directing it at the ground where it contacts and disperses the wave, effectively making it a little quieter.

In my opinion, the exhaust actually looks much better as a down turn also. The slash more aligns better with lines of bike.

Bracket

Your answers are in the threads I linked to you.  You just need to read them.

I run the turnout muffler you sent, I've also been straightpiped in the past. It certainly does "muffle" the sound. But basically the internals of the muffler is just one single pringle shaped baffle. Honestly more about adding a little bit of back-pressure. Definitely still too loud to be riding in residential areas at night without waking folks up.

Evanswv wrote on 02/26/22 at 05:49:08:


The main jet has no affect on the fuel mixture when the throttle is closed - or when the engine is idling.  The main jet only affects the mixture at 3/4 to full throttle.

Before you change jets - you might try opening up the fuel mixture screw a 1/4 turn and see if that changes anything......and bump your idle speed up just a little bit.