On my '93 it's 3 inch all the way back, cat included. They came like this
stock. With Doug Thorley's up front, and split flowmaster out back it makes
287 ft/lbs to the rear wheels, 350 ft/lbs calculated fly wheel. I'm not
sure if any factory changes would make it different for your '99 (such as
OBDII software, or cam specs) but I would say go for it.
---Mike, near Houston.--- http://www.mikesdakota.com
'93 V8 4X2
Houston Area DML Meet Page
http://www.geocities.com/motorcity/downs/9221
----- Original Message -----
From: Doug Myers <dougmyers@radix.net>
To: Dakota Mailing List <dakota-truck@buffnet.net>
Sent: Sunday, April 11, 1999 10:25 PM
Subject: DML: exhaust questions
> I was looking at headers, cat-backs, etc. today and am wondering...
why
> would you run a 3" header collector, into a 2.5" cat converter, then back
> into a 3" muffler? Wouldn't it make more sense to use a 3" cat and run 3"
> pipe all the way back? Is it because this mod would kill your low end
power
> on a 5.2, or is it just an emissions issue?
>
> Doug
> '99 Dakota RC 5.2/5-speed/3.92SG
>
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