Foretravel Owners' Forum For owners and Fans of Foretravel Motorcoaches September 10, 2025 ...

I prefer quite over obnoxious...  Any one else have some similar recommendation to compare?

You might find some other possibilities mentioned in the thread linked below:

Current resonator opinions

I feel no improvement in performance but it had good power before so no disappointment as I wasn't making the change for performance..Obvious reduced heat in bedroom probably as a result of less metal to hold heat plus a resonator and exaust on each side is easy to wrap.. By physics there should be some degree of lower EGT so another plus "probably" and finally it just plain sounds better imo with zero difference in exaust sound from the drivers seat. DWMYH I won't have another coach without a resonator.

Do you recall which one you installed? Reducing Bedroom heat is actually quite hi on my list of wants
Scott

Sounds like a hard pass. Too much work to route out the right side of the coach.
Scott

Did a number notice more boost?  Seems I recall some saw a bit, not know if matters. 
Noise sensitivity of exhaust, outdoor music, tv, barking dogs, and motorcycles is in the ear of beholder.  I hear some are sensitive to other activities of fellow campers. 



We did not realize the exhaust noise might still be a problem as we do already avoid early morning warmups, maybe we try to arrive noon? We can try to be more selective too where park but no one has mentioned the noise as a problem, maybe just  polite snd we been taking advantage of them.

we do really like the resonator reduction of coach room temps when we pull in to park from a day of 100+ degrees.  That why we changed.

A resonator may be the only replacement option. I have yet to hear one that is not loud.  Many anecdotal stories of performance improvement but no quantifiable evidence. Maybe a cooler bedroom.  Hold off as long as possible or go for as quiet as possible. 

I used 178 gallons less in fuel on my cross country trip.  I kept track of every gallon that went into the coach and the location. I used to add up the gallons and see the difference over20 years and three different coaches. Also I would get more boost from my turbo that I could see on the Silverleaf.  It was noisier at full throttle outside but inside the coach I could not hear a change. My numbers also done with an average of 4 trips each way. I also it higher speeds on the same grade I would drive every trip. It was about 5 mph difference.

About two weeks ago, we were at a FT Rally in Vero Beach. Got the opportunity to compare the sound of my coach with the Jones  XL5050 which I installed on my coach to Gary's coach with the Magnaflow. There were also several FT ISM's there with stock muffler cans...

Here's how I'd compare.. At idle, the noise level is "close", the JonesXL is definitely more "throaty, deeper", and more sound.  Both are significantly loader than stock. When Gary exited the campground to the street and accelerated, not nearly as loud as me with the JonesXL! With the Jones, it's a healthy deep growl on acceleration, like a heavy Fire Engine...

No one's ever complained to me... We are very mindful about trying real hard to only idle as we move through a campground... We do turn heads when we come in... Might just be because we're a coach that many don't see often?


Would I do it again- yes.  Which one would I use-  Magnaflow. Make sure you install a curved exhaust tip, (our stock one was straight) and don't point it towards the ground. The velocity from these resonators is greatly enhanced! You run the risk of melting paint on your toad with the straight tip...

Best Jeff