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mitchel
Dodge Dakota
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5/11/2006
22:46:12
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 Subject: exhaust
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Message:
hello how would it sound if i put stright pipes on a v6 ddakota and should i keep or take off the cat?
thanks for your time
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Mike A
Dodge Dakota
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5/11/2006
23:45:17
|  RE: exhaust
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Message:
I have a 90 3.9. I had taken off the muffler to reduce backpressure and make the truck sound more throaty. What I found was no matter where I set the timing there was a lot of backfire through the exhaust. The 3.9 needs some back pressure and the cat didn't seem to have enough. I then took the cat off and now I only use a muffler. The truck has noticibly more pep and it's quiet. It's so quiet that I've tried to start the truck when it was already running. The muffler I'm using is a universal fit type. It's a little smaller than OE.
As for sound... the 3.9 isn't all that loud without an exhaust. I ran mine for two days without a cat or muffler. I don't recommend running straight pipes due to lack of backpressure.
Mike
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Joe M.
Dodge Dakota
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5/12/2006
08:29:38
|  RE: exhaust
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Message:
theres a few of us here that can tell you other wise
and i am one of them
taking the "CAT" off results in loss of bottom end HP & TRQ.
if you gained by taking yours off then it was most likely clogged
(a high flow cat is the best way to go)
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Bob Lincoln
Dodge Dakota
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5/12/2006
08:45:25
| RE: exhaust
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Message:
It's also a federal crime to remove or disable the catcon.
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J and J Auto
GenII
5/13/2006
00:34:22
| RE: exhaust
IP: Logged
Message:
leave the cat you need the back pressure
I just put a pacesetter preditor dual system on
my truck sounds great
$289 at truckperformance.com on sale now thats
with ground shipping
Larry
J&J Auto
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