OEM Exhaust pipe diameter ???

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Mar 30, 2006 | 12:03 AM

Katmandu

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From: Wetumpka, Alabama

OEM Exhaust pipe diameter ???

Anyone know (for certain) what the diameter pipe used in a 98 2500 ??

Mar 30, 2006 | 11:00 AM

Eskimo

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From: Central PA

3" from the muffler back

Mar 30, 2006 | 04:48 PM

Katmandu

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From: Wetumpka, Alabama

Here's a reply I got from someone else....
.
- 3" down pipe, comes out of the Cat & into the muffler @ 4", out of the muffler in 3" up over axle still 3", then last 14-16 " is 4"

.

Mar 30, 2006 | 05:27 PM

jefff929

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I can't imagine it is bigger than the 3" that came with my 01

Mar 30, 2006 | 08:34 PM

JKM

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From: SunnyVale Trailer Park

katmandu pretty much has it , 3" DP into the cat , 4" from cat to muffler , 3" up over the axle , and right before the last bend it goes to 3.5" , NOT 4"