Jay, I've got the cat back Flowmaster system, 3 chamber muffler, sounds
awesome, and for the price, hard to beat, BUT, it only gave me 1.9 HP on the
dyno :(
I haven't done headers yet, but looking back on it, I'd recommend headers
before a cat back system, I think the log jam is in the manifolds, and or
cats.
Steve has done some header testing, he can shed some light.
Matt Y2K-HEMI
In a message dated 12/20/00 7:09:07 PM Eastern Standard Time,
Jason.Woodruff@West.Boeing.com writes:
> Subj: DML: Flowmaster on a 4.7L
> Date: 12/20/00 7:09:07 PM Eastern Standard Time
> From: Jason.Woodruff@West.Boeing.com (Woodruff, Jason P)
> Sender: owner-dakota-truck@BUFFNET.NET
> Reply-to: <A HREF="mailto:dakota-truck@buffnet.net">
dakota-truck@buffnet.net</A>
> To: dakota-truck@buffnet.net (DML (E-mail))
>
> Any one have opinions on a flowmaster on a 4.7L. Specifically the 70
> series. Is there any performance difference between series-es, or is it
all
> just noise.
>
> Hey Matt, you seem to be the authority on the go fast 4.7L's. What headers
> are you using, any suggestions.
>
> Jay W
> 4.7L Auto Sport+ C.C. 2wd Black
> Mods Profile page at
> http://www.twistedbits.net/WWWProfile/dakota/Re5X8z5la@Ix2/profile.htm
>
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