Exhaust-HP and Torque Gain & sound ?
Thread Starter
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Member
Joined: Aug 1999
Posts: 18
Likes: 0
From: McMinnville,Oregon,USA
Exhaust-HP and Torque Gain & sound ?
Is there a system that give sgood sound, good HP increase and at a minimum keeps the same torque ?
Can you just plop in a series 50 Flowmaster or is it not worth the effort without rebuilding from the Cat all the way to the tip ?
Is there a "Best" combination out there ?
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98 XLT SuperCab 5.4L 4X4
Superchip'd, 3.73 rear end. Warn Steps.
Next - Airaid PIFK.
Later - Exhaust.
Can you just plop in a series 50 Flowmaster or is it not worth the effort without rebuilding from the Cat all the way to the tip ?
Is there a "Best" combination out there ?
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98 XLT SuperCab 5.4L 4X4
Superchip'd, 3.73 rear end. Warn Steps.
Next - Airaid PIFK.
Later - Exhaust.
Senior Member
Joined: Mar 1999
Posts: 240
Likes: 0
From: HOUSTON,TEXAS,HARRIS
Oregon, you can just replace the muffler only and get an increase. Flowmaster makes a direct replacement for your truck in the 30,40,50 and 70 series. All but the 70 series will require an staight extension pipe. Your exhaust is a 2 1/2 inch and on the 5.4 you could probably get more benefit by going to a 3" cat back. I have the 4.6 and went with flowmaster 70 muffler only. It did improve performance thru all ranges.
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98 Nascar Edition, Superchip, Airaid, Flowmaster 70 series, bedliner, in bed tool box, Profile bug deflector and window vents, Class III receiver hitch.
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98 Nascar Edition, Superchip, Airaid, Flowmaster 70 series, bedliner, in bed tool box, Profile bug deflector and window vents, Class III receiver hitch.
Senior Member
Joined: Jul 1999
Posts: 306
Likes: 0
From: NC/PA
Oregon Allen, man you just asked the fifty million dollar question.
I think everyone on this board has a different opinion about this topic, I know, been there and back.
I figure if you want to keep your low end torque and have a nice sound, you have to go with a baffled muffler, better yet, go true duals, and that's all I am going to say,plenty of people will comment on this...........10-4
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DOGCAM
2000 F150 Lariat flareside 4X2
S/C
5.4, 3.55 Ls, Tow Pack, Captain
Chairs, White clearcoat/w
harvest gold accent,17"X8"
BFG T/As 275x60s on chrome wheels
Mods: True duals
(Dynomax) with 3.5 chrome
tips out behind the rear
wheels
dogcam@myf150.com
dog46cam@webt.net
I think everyone on this board has a different opinion about this topic, I know, been there and back.
I figure if you want to keep your low end torque and have a nice sound, you have to go with a baffled muffler, better yet, go true duals, and that's all I am going to say,plenty of people will comment on this...........10-4
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DOGCAM
2000 F150 Lariat flareside 4X2
S/C
5.4, 3.55 Ls, Tow Pack, Captain
Chairs, White clearcoat/w
harvest gold accent,17"X8"
BFG T/As 275x60s on chrome wheels
Mods: True duals
(Dynomax) with 3.5 chrome
tips out behind the rear
wheels
dogcam@myf150.com
dog46cam@webt.net
Member
Joined: Sep 1999
Posts: 11
Likes: 0
From: San Antonio, TX, USA
Oregon-
I think from the Force II thread you can guess what my opinion would be. I think the complete dual exit catback system is worth the extra expense ($321 for my system vs. $50-70 for just a muffler) for a little more performance and better looks. But like Johnny said, just a muffler replacement will get you a performance gain itself.
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98 Lariat Supercab, 5.4L, 3.55 rear, K&N filter, Flowmaster 50 series catback, Hellwig ASB
I think from the Force II thread you can guess what my opinion would be. I think the complete dual exit catback system is worth the extra expense ($321 for my system vs. $50-70 for just a muffler) for a little more performance and better looks. But like Johnny said, just a muffler replacement will get you a performance gain itself.
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98 Lariat Supercab, 5.4L, 3.55 rear, K&N filter, Flowmaster 50 series catback, Hellwig ASB