long tube headers for 97 f-150
Pacesetters
OBX
Dyna tech
Search this forum, - all kinds of info. Also, you may have to order some for a 99. There all the same, -it's just that most manufacturers don't list the 97,98 for some reason. The exhaust ports are all identical for the two valves.

(basically, we can't help you if you aren't willing to help us help you after you've used the search feature)
since you have the 5.4
OBX long tubes...
/thread
tarajerame seems to think so. im not sure. ps's are cheaper i believe. i had to beat the **** out of one of my primaries on the drivers side (can't remember which one) 3rd primary i think? because i couldn't even slide the bolt in cause the primary was at such a sharp angle. i don't know if thats ez to understand the way i put it. They do the job but that might be why they were so cheap. They might should put a label on them (may require some massaging) lol. So you might wanna try the obx if you can afford it
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i dont know what happend with yours but mine when on just fine. as well as my buddys in his 97 expy. we had a new motor in and had the headers bolted on in under 2 hours 
Think you just got the wrong set or somthing i rember you havin all kinds of trouble.
Pacesetter= made in USA but carbon steel 16GA.
OBX= made in china Stainless steel but have heard the welds on colltors crack.
Dynatech= made in USA stainless steel but VERY VERY expensive
i went pacesetters and painted them with high temp paint and called it a day.
Think you just got the wrong set or somthing i rember you havin all kinds of trouble.
Pacesetter= made in USA but carbon steel 16GA.
OBX= made in china Stainless steel but have heard the welds on colltors crack.
Dynatech= made in USA stainless steel but VERY VERY expensive
i went pacesetters and painted them with high temp paint and called it a day.
got some brake cleaner and a wire brush to strip off the pacesetter paint then painted them with VHT and cured them on the truck. you can also cure them in the oven my buddy did that with his expy headers. they came out sweeeet lookin.
i just like some good ole american steel for headers you can keep that chinesse crap
i just like some good ole american steel for headers you can keep that chinesse crap
has a sticker right on one of the primarys "THIS IS NOT HIGH TEMP PAINT!"
i left it on my shortys the paint melted off and the headers were rusted within about 2 weeks if that.
i left it on my shortys the paint melted off and the headers were rusted within about 2 weeks if that.
this is what i got. same color and everything. 2 cans did the set. and i have half a can left over
http://www.summitracing.com/parts/VHT-SP106/
because i didnt cure mine right the primarys have some rust on them but both collectors still look like fresh paint. the salt and snow and rain of Michigan have done a number on the primarys.
http://www.summitracing.com/parts/VHT-SP106/
because i didnt cure mine right the primarys have some rust on them but both collectors still look like fresh paint. the salt and snow and rain of Michigan have done a number on the primarys.






