3" catback exhaust upgrade. Surface treatment questions.

[Charlie207]

Someone find be a swap? 26" OAL / 20"-21" body 3" ID.

It's date night with my better three-quarters, and I have to put the internet away.

 

[iamdub]

I don't think it'll be terribly loud nor drone badly. At least swapping in mufflers will be easy.

 

[iamdub]

Someone find be a swap? 26" OAL / 20"-21" body 3" ID.

It's date night with my better three-quarters, and I have to put the internet away.

Would be about stock volume at idle but with a stronger rumble and with a louder bark at hard throttle: https://www.amazon.com/AP-Exhaust-Products-XS2579-Muffler/dp/B004A5OBVA

 

[Charlie207]

Would be about stock volume at idle but with a stronger rumble and with a louder bark at hard throttle: https://www.amazon.com/AP-Exhaust-Products-XS2579-Muffler/dp/B004A5OBVA

Maybe something like this in place of the exhaust tip. But, have it tucked up under the bumper cover enough to look similar to the stock resonator turn-down?

3" Muffler

 

[iamdub]

Maybe something like this in place of the exhaust tip. But, have it tucked up under the bumper cover enough to look similar to the stock resonator turn-down?

3" Muffler

View attachment 382925

I don't see that making a whole lot of difference. It might clean up a slight bit of rasp at high RPM as heard from outside the vehicle. But, not $65+ worth of difference. You can get a whole other muffler for $65 and not need special after-muffler additions.

 

[Charlie207]

I don't see that making a whole lot of difference. It might clean up a slight bit of rasp at high RPM as heard from outside the vehicle. But, not $65+ worth of difference. You can get a whole other muffler for $65 and not need special after-muffler additions.

Good point.
I found the AP muffler you linked for $cheaper on Summit. https://www.summitracing.com/parts/aph-xs2579

I'm going to install the system as it is, and am priming/painting it now. My gf said she won't care if it's loud.

The JBA catback i had on my Armada was great quality, but pretty loud. This didn't bother me, but the drone at cruising speed was super annoying.

 

[Charlie207]

I wonder if I could cut the JBA muffler out from under my Armada, and use that???

 

[iamdub]

Good point.
I found the AP muffler you linked for $cheaper on Summit. https://www.summitracing.com/parts/aph-xs2579

I'm going to install the system as it is, and am priming/painting it now. My gf said she won't care if it's loud.

The JBA catback i had on my Armada was great quality, but pretty loud. This didn't bother me, but the drone at cruising speed was super annoying.

I saw it cheaper there, but their shipping charges make it higher than Amazon unless you don't have Prime.

Definitely give it a shot! You have nothing to lose. You might like it. At least your gf is cool with it!

If you like the volume and sound and only have a problem with it at a certain RPM (drone when cruising), you can attack just that frequency with a cheap piece of pipe and some math. You'll kill the drone but not muffle everything else, which negates the point of getting a louder aftermarket system.

 

[iamdub]

I wonder if I could cut the JBA muffler out from under my Armada, and use that???

Highly likely. Physical fitment is the only real hurdle and that's easy to overcome with offsets or even just welding a straight piece of pipe at an angle if needed.

 

[Charlie207]

If you like the volume and sound and only have a problem with it at a certain RPM (drone when cruising), you can attack just that frequency with a cheap piece of pipe and some math. You'll kill the drone but not muffle everything else, which negates the point of getting a louder aftermarket system.

Can you explain the "piece of pipe" used to cancel the drone wavelength?

It's all on the truck now, and I'm going through the paint curing heat cycles.

Idle 10 mins, cool 10 mins.

Idle 20 mins, cool 20 mins.

Drive 30 mins, let cool.