2001 psd exhaust
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Senior User
Joined: May 2002
Posts: 301
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From: East Texas
2001 psd exhaust
Hello to all.
I have a 2001 f-250 psd and was wanting to upgrade my exhaust after reading a lot of post here. So I crawled under the beast and measured the diameter of the exhaust. If I measured it right everything is 3.5 inches and the down pipe is 3 inches. Is this normal? would I be gaining much by putting a 3.5 down pipe on? would I also need to add a see through muffler? I plan to add a scmt 90 hp program and I tow a 10,000 lb trailer. Also plan to get a pyrometer,along with a turbo temp monitor with auto shut down. any advice would be greatly appreciated!!!
I have a 2001 f-250 psd and was wanting to upgrade my exhaust after reading a lot of post here. So I crawled under the beast and measured the diameter of the exhaust. If I measured it right everything is 3.5 inches and the down pipe is 3 inches. Is this normal? would I be gaining much by putting a 3.5 down pipe on? would I also need to add a see through muffler? I plan to add a scmt 90 hp program and I tow a 10,000 lb trailer. Also plan to get a pyrometer,along with a turbo temp monitor with auto shut down. any advice would be greatly appreciated!!!
Posting Guru
Joined: May 2001
Posts: 1,702
Likes: 0
2001 psd exhaust
> Hello to all.
>I have a 2001 f-250 psd and was wanting to upgrade my
>exhaust after reading a lot of post here. So I crawled under
>the beast and measured the diameter of the exhaust. If I
>measured it right everything is 3.5 inches and the down pipe
>is 3 inches. Is this normal? would I be gaining much by
>putting a 3.5 down pipe on? would I also need to add a see
>through muffler? I plan to add a scmt 90 hp program and I
>tow a 10,000 lb trailer. Also plan to get a pyrometer,along
>with a turbo temp monitor with auto shut down. any advice
>would be greatly appreciated!!!
3" downpipe and the rest is 3.5" so you are correct with your measurements. If you are going to add a chip or programmer you should upgrade the exhaust as you stated, 3 1/2" downpipe and straight through muffler or no muffler and staright pipe. Banks says there is no gains in going to 4" Assuming you are going to do these mods, a set of gauges should definitely come first.
Les
>I have a 2001 f-250 psd and was wanting to upgrade my
>exhaust after reading a lot of post here. So I crawled under
>the beast and measured the diameter of the exhaust. If I
>measured it right everything is 3.5 inches and the down pipe
>is 3 inches. Is this normal? would I be gaining much by
>putting a 3.5 down pipe on? would I also need to add a see
>through muffler? I plan to add a scmt 90 hp program and I
>tow a 10,000 lb trailer. Also plan to get a pyrometer,along
>with a turbo temp monitor with auto shut down. any advice
>would be greatly appreciated!!!
3" downpipe and the rest is 3.5" so you are correct with your measurements. If you are going to add a chip or programmer you should upgrade the exhaust as you stated, 3 1/2" downpipe and straight through muffler or no muffler and staright pipe. Banks says there is no gains in going to 4" Assuming you are going to do these mods, a set of gauges should definitely come first.
Les
Senior User
Joined: Feb 2002
Posts: 444
Likes: 0
From: Carol Stream, IL
2001 psd exhaust
Well the chip is a good thing. Huge power increase and also some fuel mileage increase. The exhaust doesnt really do anything for horsepower, just keeps the EGT's down especially when pulling a trailer which allows you to stay in the throttle longer. 
I have a hypermax system with no muffler. (see below) If you want more info on that you can check out their website @ www.hypermaxdiesel.com. Good Luck.
2001 F-350 CC Lariat 4X4 LB PSD SRW, Heated leather, off road package, western snow plow, strobe lights in parking lights and backup lights, tinted windows, pioneer cd player, rockford fosgate 1000x1 amp rocking 3 JL Audio 10W0's behind back seat, husky liners front and back, Hypermax "hot rod" chip, Hypermax pryo/boost gauge and Hypermax 3.5 inch downpipe and 5 inch straight exhaust.
I have a hypermax system with no muffler. (see below) If you want more info on that you can check out their website @ www.hypermaxdiesel.com. Good Luck.
2001 F-350 CC Lariat 4X4 LB PSD SRW, Heated leather, off road package, western snow plow, strobe lights in parking lights and backup lights, tinted windows, pioneer cd player, rockford fosgate 1000x1 amp rocking 3 JL Audio 10W0's behind back seat, husky liners front and back, Hypermax "hot rod" chip, Hypermax pryo/boost gauge and Hypermax 3.5 inch downpipe and 5 inch straight exhaust.
