2005-2014 Mustangs Discussions on the latest S197 model Mustangs from Ford.

High-flow cats?

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Old Aug 12, 2007 | 12:35 AM
  #11  
loots06's Avatar
loots06
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Joined: Aug 2007
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From: Hollister, CA
Default RE: High-flow cats?

I have shorties, go with LT's
Old Aug 12, 2007 | 06:38 PM
  #12  
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0NF1R
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From: Winter Haven, Florida
Default RE: High-flow cats?

do i need backpressure? what will it do for me?....sry for my inexperience....
Old Aug 12, 2007 | 08:25 PM
  #13  
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GTstangB.F.D.M.
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Joined: Apr 2007
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Default RE: High-flow cats?

the louder the better imo... i love loud..

if it was me.. i would get a pypes off road h and wait on the longtubes.. 1k is deffinately out of my budget right now..

but 1__.00 for a catless mid pipe sounds good to me!..

do it mike!!!!!!..
o, by the way, i got the calipers painted and the window scoops on!!!!!!!!.. im gettin ready fo that meet cruise baby!

-GTstang
Old Aug 12, 2007 | 10:47 PM
  #14  
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jerjan
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Joined: Nov 2006
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From: Now in Sunny SOCAL
Default RE: High-flow cats?

Aftermarket cats, as well as off road pipes have shown to have almost insignifigant HP gains. The off road pipes will make your car very loud as the stock cats do a great job as mufflers by removing the higher frequency sounds. The only real positive value for performance by adding off-road pipes is the removal of about 50 lbs of excess weight, also be prepared if you remove the cats, as your exhaust will sound very raspy without them. The stock cats and h-pipe are very heavy. Other than that most guys have felt they wasted money looking for big gains by either putting on off-road pipes and or aftermarket cats.
Old Aug 12, 2007 | 10:47 PM
  #15  
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0NF1R
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From: Winter Haven, Florida
Default RE: High-flow cats?

nice....i swapped my rotors out as well lol
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