loss of torque?
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Junior Member
Joined: Dec 2000
Posts: 7
Likes: 0
From: kennesaw ga USA
loss of torque?
i would like to add flowmaster dual exhaust to my truck but have heard i could lose torque. does any one know if this is true and if so how much torque would i lose. 2000 f150 4x4 lariat 5.4l 3.55ls
Senior Member
Joined: Dec 2000
Posts: 185
Likes: 0
From: Portland, OR
Mud,
I just got back from having true duals installed with two 50 series Flowmasters and an H pipe. I actually gained low end torque. I did have the Gibson Supertruck and that is designed to make power in the upper RPM range at the sacrifice of some low end power. I feel like I gained back what I lost and more. The Flowmasters don't even compare to the Supertruck as far as loudness, but they do have a deeper tone to them. I get no in cab drone, but when I accelerate the Flowmasters come alive. I think you would be hard pressed to lose any low end with a system like this and I would be surprised if you didn't actually gain some. Hope this helps.
Lok
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TRUCK:
1997 F-150 Supercab 4X4,Royal Blue,4.6 V-8,Tow Package,3.55 LS
MODS:
K&N FIPK,Performance Accessories 3" body lift,
Superchip,Bosch Platinum +4 Plugs,
True Dual Exhaust w/ Flowmaster 50 Mufflers,
Smitty Nerf Bars,3.55LS Swapped For 4.56LS,
16X10 Eagle 589's, 315/75-16 A/T's,
Rancho RS5000 Shocks,Rancho Steering Stabilizer,
Alpine CD,Alpine 5 Channel Amp,PPI 5 X 7's,
Boston 10" Sub.
Pics at: http://www.f150world.com/loknload/
[This message has been edited by Lok N Load (edited 04-28-2001).]
I just got back from having true duals installed with two 50 series Flowmasters and an H pipe. I actually gained low end torque. I did have the Gibson Supertruck and that is designed to make power in the upper RPM range at the sacrifice of some low end power. I feel like I gained back what I lost and more. The Flowmasters don't even compare to the Supertruck as far as loudness, but they do have a deeper tone to them. I get no in cab drone, but when I accelerate the Flowmasters come alive. I think you would be hard pressed to lose any low end with a system like this and I would be surprised if you didn't actually gain some. Hope this helps.
Lok
------------------
TRUCK:
1997 F-150 Supercab 4X4,Royal Blue,4.6 V-8,Tow Package,3.55 LS
MODS:
K&N FIPK,Performance Accessories 3" body lift,
Superchip,Bosch Platinum +4 Plugs,
True Dual Exhaust w/ Flowmaster 50 Mufflers,
Smitty Nerf Bars,3.55LS Swapped For 4.56LS,
16X10 Eagle 589's, 315/75-16 A/T's,
Rancho RS5000 Shocks,Rancho Steering Stabilizer,
Alpine CD,Alpine 5 Channel Amp,PPI 5 X 7's,
Boston 10" Sub.
Pics at: http://www.f150world.com/loknload/
[This message has been edited by Lok N Load (edited 04-28-2001).]
Senior Member
Joined: Apr 2001
Posts: 5,939
Likes: 0
From: Warner Robins, Ga, CSA
had f/m delta 50 single in-dual out(not a true "dual" exhaust) on my 97 xlt 4.6. yes- i lost torque--don't know how much but felt slower on acceleration.
<font face="Verdana, Arial" size="2">Originally posted by mud:
i would like to add flowmaster dual exhaust to my truck but have heard i could lose torque. does any one know if this is true and if so how much torque would i lose. 2000 f150 4x4 lariat 5.4l 3.55ls</font>
i would like to add flowmaster dual exhaust to my truck but have heard i could lose torque. does any one know if this is true and if so how much torque would i lose. 2000 f150 4x4 lariat 5.4l 3.55ls</font>
Member
Joined: Mar 2001
Posts: 63
Likes: 0
From: Sussex County , New Jersey
The latest issue of "Sport Truck" shows an
increase in Low end torque ( 2800 rpm ) with the install of a K&N cat back.
I experianced an increase in torque after installing a Gibson Cat Back. I pull a hill at 71 mph in over-drive instead of 64 mph.
<font face="Verdana, Arial" size="2">Originally posted by mud:
i would like to add flowmaster dual exhaust to my truck but have heard i could lose torque. does any one know if this is true and if so how much torque would i lose. 2000 f150 4x4 lariat 5.4l 3.55ls</font>
i would like to add flowmaster dual exhaust to my truck but have heard i could lose torque. does any one know if this is true and if so how much torque would i lose. 2000 f150 4x4 lariat 5.4l 3.55ls</font>
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2001 Expedition 5.4L XLT
4WD + Towing Package
Edelbrock IAS
Superchip
Gibson SS Side Swept
Senior Member
Joined: Jan 2001
Posts: 219
Likes: 0
From: Broken Arrow, Ok
I may have gained little but I definitely didn't lose any. I couldn't spin tires before mods and still can't. But it does seem to pull harder. At least the ricer boys i compare to drop faster now 
. Don't you love that you can outrun some tiny little car with a huge 4x4.
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2001 SuperCrew ORP 5.4L Gen I
MODS-Ramsey Brush Guard and Pro Plus 9000 winch, MAAP steps, Airaid, True Duals w/ 50 series muffs, Line-x, bugflector, and huskyliners.
http://albums.photopoint.com/j/AlbumIndex?u=1508480&a=11420452&f=0
. Don't you love that you can outrun some tiny little car with a huge 4x4.------------------
2001 SuperCrew ORP 5.4L Gen I
MODS-Ramsey Brush Guard and Pro Plus 9000 winch, MAAP steps, Airaid, True Duals w/ 50 series muffs, Line-x, bugflector, and huskyliners.
http://albums.photopoint.com/j/AlbumIndex?u=1508480&a=11420452&f=0
Senior Member
Joined: Oct 1999
Posts: 330
Likes: 0
From: Toronto Ontario, Canada
<font face="Verdana, Arial" size="2">Originally posted by redex:
I experianced an increase in torque after installing a Gibson Cat Back. I pull a hill at 71 mph in over-drive instead of 64 mph.
</font>
I experianced an increase in torque after installing a Gibson Cat Back. I pull a hill at 71 mph in over-drive instead of 64 mph.
</font>
Thanks
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