Wesley, I have the 3" single cat back (Flowmaster) on my 4.7L, Sounds good,
but the dyno showed a 1.9 hp gain :( Not good. I can't complain about the
sound, sounds good.
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Matt--VA--Y2K-HEMI `00 Sport Plus RC
4.7L 5spd. 9 1/4 3.92 LSD, Homemade air intake,
T-Bars, Spring clamps, Mobil 1,Hoosiers
3" Flowmaster cat-back, Bosch +4's
14.48 @ 92.40 MPH
209.9 RWHP/285 RWTQ
ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
-----Original Message-----
From: Wesley Beck [mailto:dakotaslt99@hotmail.com]
<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
My friend just got a 2000 4.7L 5 speed and wants to put a cat back exhaust
on it. What makes more power, single 3 inch or dual 2.5 inch exhaust?
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