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I am running MAC equal length shorty headers,
an off road H pipe (Metal Tech)and a MAC
2.5 inch cat back system. The system went
on all at once and the power increase was
impressive to say the least. The noise
level between 2000 and 2100 is a real
problem though. I looked up the cat back
system on MACS web site and it was advertised
as 'not for the faint of heart'. I apparently am faint of heart because if I can't figure out how to quiet it down its comming off the car and going on EBAY. The
extra power is awesome though!!


Bruce from North Branch
'83 Mustang GT
'89 TBird
 

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440 Posts
From reading various articles on 'stang
exhaust it looks like those 3 chamber
flowmasters might be just what I'm looking
for. My MAC system resonates so bad between
2000 and 2100 that you have to wear earplugs
to stand it. To bad, I really like the
power they make.

Bruce
 
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