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  • 2005 - 2014 S-197 Mustang -General/Talk-
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long tube or shorty with bolt ons... is it worth

  • Thread starter Thread starter chad9350
  • Start date Start date Jan 24, 2007

chad9350

New Member
Jan 13, 2007
248
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0
Lake Charles, LA
Jan 24, 2007
#1
  • Jan 24, 2007
  • #1
is the price worth the difference... any true numbers vs.?

dyno or et?

are long tubes too much flow if not changing intake (real intake, I have CAI ), cams, etc..

any info. greatly appreciated.
 

YELLOW42RCODE

Member
Feb 13, 2003
346
4
18
San Diego, Ca.
Jan 24, 2007
#2
  • Jan 24, 2007
  • #2
chad9350 said:
is the price worth the difference... any true numbers vs.?

dyno or et?

are long tubes too much flow if not changing intake (real intake, I have CAI ), cams, etc..

any info. greatly appreciated.
Click to expand...
Yes long tubes are worth the extra $ over shorties. They will be good for 12 - 16 rwhp with your set up.

Fred
 
8

8850

Founding Member
Jun 3, 2000
464
0
16
TX
Jan 24, 2007
#3
  • Jan 24, 2007
  • #3
I have examined three brands of shortie headers and none were made for maximum hp increases. They all had formed or crushed tubes where they are welded into the collector. You can't make hp when two of four tubes on each side are crushed down to something other than round. Also they had the 02 sensor protruding into one of the tubes on the drivers side. That 02 reduces one cylinder flow significantly verses the protrusion going into a collector as with the long tubes.

If a shortie is made right it can flow good and give reasonable hp results. I ran a 10.65 with 1 5/8 ported shortie headers on my 88 347 Mustang. The 05+ headers I examined could not even be ported to produce round tubes. All appeared that to make the ID of the tubes round you would have produced holes in the outside of the collector.

Until somebody makes a good shortie, get the long tubes!
 

bigcat

start with the upper hole, and if more traction is
May 1, 2005
3,015
1
79
7200 feet
Jan 24, 2007
#4
  • Jan 24, 2007
  • #4
shorties are a waste of $$ for an S197, IMO. they dont net you much gain. the stock manifolds flow pretty well, so go long tube or go home.
 

burke07gtcs

New Member
Jan 14, 2007
64
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0
Farmington NM
Jan 25, 2007
#5
  • Jan 25, 2007
  • #5
I put SLP long tubes w/ x-pipe & love it , very good SOTP feel -the best fitting headers I have ever had, only 2 hrs. to install on my back -no lift
 

chad9350

New Member
Jan 13, 2007
248
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0
Lake Charles, LA
Jan 25, 2007
#6
  • Jan 25, 2007
  • #6
Ok, so...

Do I need to drop motor mounts to install?

O2 is in the collector, not just one tube?

Thanks for the advice.
 

YELLOW42RCODE

Member
Feb 13, 2003
346
4
18
San Diego, Ca.
Jan 25, 2007
#7
  • Jan 25, 2007
  • #7
chad9350 said:
Do I need to drop motor mounts to install?

O2 is in the collector, not just one tube?

Thanks for the advice.
Click to expand...
I had to on mine. I installed JBA's.

Fred
 
R

RhinoGT

Member
May 23, 2006
46
0
6
Vilonia, AR
Jan 25, 2007
#8
  • Jan 25, 2007
  • #8
burke07gtcs said:
I put SLP long tubes w/ x-pipe & love it , very good SOTP feel -the best fitting headers I have ever had, only 2 hrs. to install on my back -no lift
Click to expand...

I am interested in hearing more about your install as I have the slp x and loudmouths and I am thinking about getting their longtubes.
 

burke07gtcs

New Member
Jan 14, 2007
64
0
0
Farmington NM
Jan 25, 2007
#9
  • Jan 25, 2007
  • #9
I had to drop the right motor mount & undo the steering shaft. The O2 is in the collector not just one tube. If you buy the header kit it comes w/ O2 extensions & gaskets.
 
8

8850

Founding Member
Jun 3, 2000
464
0
16
TX
Jan 25, 2007
#10
  • Jan 25, 2007
  • #10
burke07gtcs said:
I had to drop the right motor mount & undo the steering shaft. The O2 is in the collector not just one tube. If you buy the header kit it comes w/ O2 extensions & gaskets.
Click to expand...
Correction to my reply about the 02 in the tube of shorties. It is in the collector but in one maybe two brands I examined it covered one of the tubes so it might as well have been welded into the tube.
 

iskwezm

10 Year Member
May 24, 2005
4,159
20
79
Rowland Heights,California
Jan 26, 2007
#11
  • Jan 26, 2007
  • #11
bigcat said:
shorties are a waste of $$ for an S197, IMO. they dont net you much gain. the stock manifolds flow pretty well, so go long tube or go home.
Click to expand...
my buddy agrres with this, luckily he bought his used and he said didnt notice a difference in driving or the dyno(or very marginal).
 
S

StangGT2006

New Member
Aug 12, 2006
18
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0
Feb 20, 2007
#12
  • Feb 20, 2007
  • #12
How much do long tube headers change the sound of an exhaust?
 

kooldawg6

mine works really well and can take a fair amount
Aug 31, 2006
1,679
2
38
Central VA
Feb 20, 2007
#13
  • Feb 20, 2007
  • #13
StangGT2006 said:
How much do long tube headers change the sound of an exhaust?
Click to expand...

I would be more interested in the increase of power from the LTs than the sound. ARGH ARGH ARGH
 
A

ALLOY2007GT

New Member
Oct 31, 2006
99
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0
Feb 20, 2007
#14
  • Feb 20, 2007
  • #14
LT headers will help put out an awesome sound. you will hear more clearly each individual cylinder and have a crisp deep rumble at idle. i cant wait to afford some mods.


As far as power, the Shorties and LT dont compare. You may get 3-5 hp with shorties, but a well tuned LT setup can produce 20+ hp on the dyno. I know a local guy with LT, OR pipe and a JLT, steeda pulleys, that puts out around 315RWHP.
 

kooldawg6

mine works really well and can take a fair amount
Aug 31, 2006
1,679
2
38
Central VA
Feb 20, 2007
#15
  • Feb 20, 2007
  • #15
ALLOY2007GT said:
LT headers will help put out an awesome sound. you will hear more clearly each individual cylinder and have a crisp deep rumble at idle. i cant wait to afford some mods.


As far as power, the Shorties and LT dont compare. You may get 3-5 hp with shorties, but a well tuned LT setup can produce 20+ hp on the dyno. I know a local guy with LT, OR pipe and a JLT, steeda pulleys, that puts out around 315RWHP.
Click to expand...

That's what I'm talkin' 'bout!!!!!
 

anthony05gt

Active Member
Mar 18, 2006
1,262
1
37
Maryland
Feb 20, 2007
#16
  • Feb 20, 2007
  • #16
StangGT2006 said:
How much do long tube headers change the sound of an exhaust?
Click to expand...

Under hard acceleration you'll get more of a cracking sound. Like a firecracker on steroids.
 

bamaster

New Member
Jul 30, 2001
43
0
0
Houston, TX
Feb 21, 2007
#17
  • Feb 21, 2007
  • #17
What's the effect of Long Tubes on emissions compliance?

I have a catted MAC Pro Chamber on my car and I'd like to make some horsepower but not at the expense of failing emissions inspection.
 
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