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Here is some more 24"

It has the loud 2000 rpm drone as well as the resonance rattle at 1500 rpm. Going to check if something may be vibrating beneath the vehicle.

You can plaster the outside of the exhaust pipe with perogies to change the resonance. Welcome to the Blue Bomber.

I have the deep sounding Magnaflow system. Love the tone but the frequency is so low it is vibrating plastic parts in my vehicle at 1500 rpm. Currently removed all the floor panels stuff around the spare tire and placed a bath towel beneath the spare tire. That shut up a rear rattle. Still have...

I am about two weeks behind you !! How are the center caps held in place?

Loaded question like how was your day?:ROFLMAO:

According to Jonathan at BC Forged - As everything from forging to heat treating to lathing to milling to lathing to prep to finishing all happens within our quoted lead time, the process starts almost immediately and there is hardly any time for a design or sizing change to be made. FYI.

Paid the 50% down but never received a profile drawing yet. Bet I get it in the morning :ROFLMAO:. Ordered the EH309's. Looked at all possible wheels and photoshopped them all onto the ST and determined I am still happy with the EH309's.

So if your order at BC Forged is weeks from production and you decide to change the wheel you want do they kick you to the back of the line again?

Magnaflow #19515 - I can generate a non-stop vibration throughout the vehicle in park by revving the engine up around 1500 rpm (listen to attched video). When I drive the vehicle I hear this same annoying frequency rattle passing through this rpm range. This has occurred since the system was...

Any Thermal R&D exhaust system frequencies that vibrate the interior parts of the ST? Any high gear drone?

Any Thermal R&D exhaust system frequencies that vibrate the interior parts of the ST?

https://www.facebook.com/ExtremeOffroad/photos/a.1500636440014125/3258921414185610/?type=3&theater

So anyway please tell me more about the 1/4 wave resonators and what device you used to get the frequency, etc. The natural frequency of the truck seems to max out at 1500 rpm (rattles the vehicle structure) and occurs such as accelerating slowly and slowing down slowly while driving through...

Awesome !! Might just switch to the RZ21's if it's not too late.

Let’s see some pictures.

I think I found some of your equipment in my yard in Wichita after the last round of Oklahoma tornadoes. :eek: Welcome to the jungle !