Re: [DML] Re: New DMCH Performance Exhaust Inquiring feedback?
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Re: [DML] Re: New DMCH Performance Exhaust Inquiring feedback?



Andy:

  I am not sure if the DMCH's Performance Exhaust uses a Flowmaster 
muffler..... But according to the picture that they posted, it does 
looks like one.

  If it is the Flowmaster muffler, I can tell you that Rob (PJ Grady) 
and I had them in our cars.  He had one in his Green DeLorean and he 
had it removed and it is now hanging in his inventory room's wall.  Rob 
did replaced with a Borla muffler that cost him some $$$ (don't even 
ask!) to special order.

  I had a complete stainless steel system fabricated with a Flowmaster 
muffler installed in my DeLorean without consulting Rob and I should 
had consulted with him as to avoid the COSTLY mistake.  Anyway, I had 
the system for a very short period of time, some where of two or three 
months and I then had the whole system removed and the original system 
remounted back in my DeLorean by Rob.

  Anyway, what Rob and I both agree on is that the Flowmaster is too 
noisy and I myself, I couldn't tolerate the "droning resonance" in 
cabin that was produced by the Flowmaster muffler during the long 
drives that I periodically do.  I drove back to the fabricator in New 
Jersey some 60 miles away from NYC as to have them resolve the 
resonance problem.  They call the Flowmaster company and Flowmaster 
said that there is a "jacket" that could be fitted over their muffler 
as to dampen some of the noise and resonance.  I didn't go with that 
suggestion due to the issues that there is no room for the jacket to be 
install between the muffler and the wall of the engine compartment.  
Besides a jacket will is "ugly" and it will get sloppy in due time..... 
BTW, I spent over a "G" note on the fabricated pipes with the 
Flowmaster muffler and it turn out to be a failure.

  Two years ago, I ordered the British Stainless Steel System and I had 
Rob install in my DeLorean.  (The system is beautifully made and 
polished.  You would like to hang it in your living room as a work of 
art.)  The Stainless System is noisy on acceleration, but without the 
cabin resonance while cruising or driving.  I kind of wished that I 
gotten the muffler with the "extra packing" as to make the system a 
little more quieter.  FYI, the Stainless System is available in three 
different packings.  Either packing allows more horse power as "pep."

  Anyway, Rob agree that my Stainless Steel System has slightly more pep 
then his Green's DeLorean set up but with slightly more noise and my 
DeLorean has just as much pep as the several DMCH cars that he has come 
across.

  In closing and in my opinion, any DeLorean with the OEM exhaust 
removed and a free flow system installed, a DMCH, a Stainless System or 
otherwise..... They will give you some more pep .... Real noticeable 
pep.

Now don't start asking me for dyno test as proof....... I hope that 
helps.

 Kayo Ong
 #5508
 Lic 9D NY



 -----Original Message-----
 From: Soma576@xxxxxxx
 To: dmcnews@xxxxxxxxxxxxxxx
 Sent: Tue, 15 Nov 2005 21:40:03 EST
 Subject: Re: [DML] Re: New DMCH Performance Exhaust Inquiring feedback?

 >>>
  I too am considering this exhaust. I have heard from others that it 
may be
  too noisy for some tastes. Can anyone else comment on this who owns 
the
 exhaust? Does it fatigue you on the interstate?

  I would not have the stage 2 engine - how will an otherwise stock 
motor's
 sound be affected if the exhaust was developed to work with stage 2?

  What other options are currently available? I know there is a set from 
the
 UK that is quite expensive but also very good. Anything else?

 Andy

 Fargo, ND
 1982 DeLorean DMC12 VIN 11596






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