Re: IML: Exhaust Noise ( Was Pref )

[FltSgt@xxxxxxx]

Holla

In reading this some have stated they had to return to add resonators to the 
system after leaving the muffler shop with new mufflers.  The current trend is 
to install large diameter tubed mufflers, ... that are about half the lenght 
of the OEM muffler.   The result in doing this is noise that is hushed by 
installing the resonators.

The "turbo" muffler is an after market copy of the muffler based on what 
MoPar started using about 1968 with the performance cars.  This muffler is still a 
short " can " muffler that will need the resonators.  Take a moment and find 
the drawings offered at the time showing the different exhaust systems 
offered.  The fastest regular MoPar in the late sixties was the four door Dodge 
Polara with the 440 that State Troopers used.  This car was only beat out by the 
Vet.  Copy this exhaust system to your 318, 331, 354, 392, 413 or 440 powered 
Imperial with the additional feature of the "X" before the mufflers ( which was 
not known about at that time ) and you will have one movin two & ah half ton 
sled.

The same exhaust may have also been on the limited production street version 
of the Winged Dodge and Plymouths.

As we all know the engineers spend hours on this subject and all we as owners 
must do is to copy their best pieces of "home-work" to our Imperials.

                                       Rodger & Gabby
                                       Colo Spgs

'47 De Soto Custom w/Fluid Drive & passenger door mounted swamp cooler
'63 Le Baron w/F-Sweep trunk lid & std A/C
'66 Le Baron w/dual A/C & reverbed AM/FM
'70 Overlander - InterNational Dbl
'77 D150 w/360, NP 4 Spd, 12 Bolt Axle, OEM Buckets & etc


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