Performance and Accessories 2nd gen only Talk about Dodge/Cummins aftermarket products for second generation trucks here. Can include high-performance mods, or general accessories.

4 inch down pipe on an auto trans.

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Old 05-17-2006, 06:53 PM
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4 inch down pipe on an auto trans.

i was wanting to get a 4 inch exhaust with the down pipe with it, well a guy i know let me down the other day saying that the auto tranny will not allow the 4 in. down pipe to fit.

so is this true or not?
Old 05-17-2006, 06:56 PM
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There are several guys on here running them, it wil fit. Heck I've got a five inch downpipe and my turbo system only missed clearing the heat exchanger by a little bit.
Old 05-17-2006, 07:37 PM
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I have a 4" DP, clears with PLENTY of room.


Travis
Old 05-17-2006, 07:47 PM
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4" pipe from the turbo back here, That guy doesn't know want he's talking about.
Old 05-17-2006, 07:59 PM
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My four inch down pipe fits with my auto. I've got room to spare too.
Old 05-17-2006, 08:10 PM
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That is a clearence issue with I believe the pre Super Duty PSD autos. It can be solved by slightly bending the firewall... Not a conceren for us at any rate...
Old 05-17-2006, 08:12 PM
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I found what you need to give him

Old 05-17-2006, 08:18 PM
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P.J
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Originally Posted by Tommy93w350
4" pipe from the turbo back here, That guy doesn't know want he's talking about.
What he said.
Mine fit like a glove, no clearance problem at all.
Old 05-17-2006, 09:41 PM
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Originally Posted by P.J
What he said.
Mine fit like a glove, no clearance problem at all.
Old 05-17-2006, 09:50 PM
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I bought the 4" MBRP system off of e-bay and so did my friend with an 02 HO /6-speed.

We fought to get his on. Mine went on so easy it was un-real. It was the same system, but with his there was a lot less room. We had to pull the elbow off the turbo and fight it to get it in.

I love my auto LOL.

-Dave
Old 05-17-2006, 10:53 PM
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ok, i knew he had to be wrong, or else they wouldn't make it or they would at least ask you to specify what tranny you had when you purchased the system.

... and *****, i'll have to show him that!
Old 05-19-2006, 12:55 AM
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mine fits just took some tapping to make it fit but it fits.
Old 05-22-2006, 01:25 PM
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Ridiculous,

Been selling them since 1997, no problems etc????

Mark @ DPPI
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