need some advice
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New User
Joined: Oct 2003
Posts: 18
Likes: 0
From: pittsburgh PA
need some advice
hey everyone,
I have a 03 PSD 7.3 4x4 supercab xlt and want to add some parts to give it more power/ improve fuel economy if possible, I was just wondering what is the best air intake to get? , also the best downpipe to be uses with a 4-5inch exhaust?. also what chip or tuner is best? ( i tow heavy equipment almost every day all day long) thanks for any help
I have a 03 PSD 7.3 4x4 supercab xlt and want to add some parts to give it more power/ improve fuel economy if possible, I was just wondering what is the best air intake to get? , also the best downpipe to be uses with a 4-5inch exhaust?. also what chip or tuner is best? ( i tow heavy equipment almost every day all day long) thanks for any help
Post Fiend
Joined: Aug 2002
Posts: 5,324
Likes: 1
From: Denton,TX
1. Get gauges first
2. Tymar or AIS air intake
3. 4" exhaust is enough unless you are going to exceed 450HP or like the look of 5". Check out MotorHaven for exhaust kits.
4. Check out MotorHaven for chips/tuners.
2. Tymar or AIS air intake
3. 4" exhaust is enough unless you are going to exceed 450HP or like the look of 5". Check out MotorHaven for exhaust kits.
4. Check out MotorHaven for chips/tuners.
Elder User
Joined: Feb 2004
Posts: 573
Likes: 0
From: Spring City, Pennsylvania
I second that..... that's probably the most straight forward answer you can get. I see you have an 03', same as me. Is your truck still under warranty(you say you tow everyday so I don't know how many miles you have)? If so, I'd say do the AIS because it will not void your warranty as the Tymar or others would. And also if it's still under warranty, I'd do a tuner because you can remove that program and return it to stock settings should your truck need to go in for service ( a tuner or chip would void your warranty if found by Ford ), but if you remove the tuner's settings and change back to stock prior to taking your truck to the dealership you should be ok..... even though it may be unethical in extreme instances. But that's your call. I say if it's under warranty.... it's under warranty. 
Good luck!
Good luck!
Elder User
Joined: Feb 2004
Posts: 573
Likes: 0
From: Spring City, Pennsylvania
P.S.
If you're going to have the truck for the next couple of years I'd say go with stainless steel exhaust. I've heard very good things about the Hog Performance exhaust. You can get it from Motorhaven for $585. Good buy for T-304!
If you're going to have the truck for the next couple of years I'd say go with stainless steel exhaust. I've heard very good things about the Hog Performance exhaust. You can get it from Motorhaven for $585. Good buy for T-304!
Elder User
Joined: Feb 2004
Posts: 573
Likes: 0
From: Spring City, Pennsylvania
I don't have experience with the bypass yet. So I can't answer that. Yeah, you can do it in stages. It will gradually start to run more efficient! Because I wasn't towing anything big I decided to do the intake before gauges. But since you tow a lot, gauges would be the safest route to go. An intake is a great place to start your mods, but exhaust will give you the best relief in relation to your exhaust temps. Very important to do when towing weight.
Post Fiend
Joined: Aug 2002
Posts: 5,324
Likes: 1
From: Denton,TX
Originally Posted by FLASH 13
What about oil bypass? also if you are low on funds can you by the intake without the exhaust or will it run poorly? im hoping i can mod my truck in stages!
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New User
Joined: May 2004
Posts: 1
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From: NC Texas
Glad I happend onto this post, I was about to upgrade my exhaust and th HOG is impressive. now how about some guages to mount in that fine wondow piller housing any suggestions
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Post Fiend
Joined: Aug 2002
Posts: 5,324
Likes: 1
From: Denton,TX
Originally Posted by diesel76048
Glad I happend onto this post, I was about to upgrade my exhaust and th HOG is impressive. now how about some guages to mount in that fine wondow piller housing any suggestions