Just tuned my car...wow!
08-06-2011, 07:37 PM
#11
This is highly encouraging to me. I am currently saving up for my tuner and was debating on doing some exterior stuff for now because I can do them with the cash I already have. But after reading this...I think I will wait.
Cliff when you say open up the exhaust...how open does it have to be? I put some straight through SSS Adrenaline Mufflers on, but it still has stock headers, the 6 catted midpipe, and all stock pipes.
I don't think I'll be able to afford the install cost of long tubes anytime soon and I think an o/r x pipe would just be way to loud. What do you think?
Cliff when you say open up the exhaust...how open does it have to be? I put some straight through SSS Adrenaline Mufflers on, but it still has stock headers, the 6 catted midpipe, and all stock pipes.
I don't think I'll be able to afford the install cost of long tubes anytime soon and I think an o/r x pipe would just be way to loud. What do you think?
Last edited by Tommy079; 08-06-2011 at 07:40 PM.
08-06-2011, 08:00 PM
#12
TECH SAVANT
Join Date: Dec 2006
Location: Saint Augustine, FL
Posts: 10,938
This is highly encouraging to me. I am currently saving up for my tuner and was debating on doing some exterior stuff for now because I can do them with the cash I already have. But after reading this...I think I will wait.
Cliff when you say open up the exhaust...how open does it have to be? I put some straight through SSS Adrenaline Mufflers on, but it still has stock headers, the 6 catted midpipe, and all stock pipes.
I don't think I'll be able to afford the install cost of long tubes anytime soon and I think an o/r x pipe would just be way to loud. What do you think?
Cliff when you say open up the exhaust...how open does it have to be? I put some straight through SSS Adrenaline Mufflers on, but it still has stock headers, the 6 catted midpipe, and all stock pipes.
I don't think I'll be able to afford the install cost of long tubes anytime soon and I think an o/r x pipe would just be way to loud. What do you think?
Nonetheless, everything from the exhaust manifolds back needs to be 2-1/2" ID. A catted aftermarket X or H-pipe will have so-called "hi-flow" converters (they are really just small, there's no such thing as a high-flow cat), and not having them adds very little to no power--just noise as you have suggested.
I have UPR's catted X-pipe and DynoMax pipes with Magnaflow mufflers and have been very pleased with the sound and performance.
08-06-2011, 08:10 PM
#13
I was just going off of this picture.
From 5.0 Mustangs and Super Fords Magazine's website:
"Even though Ford did the right thing and upgraded '99 Mustang GT engines with Performance Improved cylinder heads, the company also saddled '99 GTs with six catalytic converters in the exhaust system."
Last edited by Tommy079; 08-06-2011 at 08:15 PM.
08-06-2011, 08:34 PM
#16
4th Gear Member
Join Date: Sep 2009
Location: NC
Posts: 1,481
If you felt no difference going from the OEM to a premium fuel optimised tune then it was not a very good tune.
I have flashed what has become my basic tune to at lest 1/2 dozen dead stock new-edge GTs (5-speed's all) and never once had an owner come back from their first drive without a grin...
I have flashed what has become my basic tune to at lest 1/2 dozen dead stock new-edge GTs (5-speed's all) and never once had an owner come back from their first drive without a grin...
08-06-2011, 08:36 PM
#17
TECH SAVANT
Join Date: Dec 2006
Location: Saint Augustine, FL
Posts: 10,938
I was just going off of this picture.
From 5.0 Mustangs and Super Fords Magazine's website:
"Even though Ford did the right thing and upgraded '99 Mustang GT engines with Performance Improved cylinder heads, the company also saddled '99 GTs with six catalytic converters in the exhaust system."
From 5.0 Mustangs and Super Fords Magazine's website:
"Even though Ford did the right thing and upgraded '99 Mustang GT engines with Performance Improved cylinder heads, the company also saddled '99 GTs with six catalytic converters in the exhaust system."
Ford improved the engine control in late '99 and went to four cats for the '00 through '04 models; they refer to the front one as the "light-off" converter and the rear one as the "under body" unit.
from the 2000 Shop Manual:
08-06-2011, 08:42 PM
#18
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Join Date: Dec 2006
Location: Saint Augustine, FL
Posts: 10,938
08-06-2011, 08:55 PM
#19
TECH SAVANT
Join Date: Dec 2006
Location: Saint Augustine, FL
Posts: 10,938
The Roush might have been a '99 MY modified by them and sold as a 2000 Roush? Also I do not know exactly when Ford went to four cats, it may have been a "mid-year" change...
08-06-2011, 09:02 PM
#20
Join Date: Aug 2011
Location: Ontario, Canada
Posts: 5
If I have a stock 2003 Mustang V6 with an automatic transmission should I expect to see a difference with a tuner?
I may add a CAI in the distant future but was wondering if a tuner would be worth the ~$400. Or a chip would be about $100 cheaper...
This is a daily driver but would be nice to have a little extra power. Also, a tune for better MPG would be nice; would I expect to see a few extra MPG with certain tunes?
I may add a CAI in the distant future but was wondering if a tuner would be worth the ~$400. Or a chip would be about $100 cheaper...
This is a daily driver but would be nice to have a little extra power. Also, a tune for better MPG would be nice; would I expect to see a few extra MPG with certain tunes?