SLP tri-y headers ???
#2
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Car: 1989-92 FORMULA350 305 92 Hawkclone
Engine: 4++,350 & 305 CIs
Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: SLP tri-y headers ???
Do they also have the correct Y pipe for them? AIR tubes on them or do you need/want them?
Really depends on how complete they are.
Really depends on how complete they are.
#4
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Car: 1989-92 FORMULA350 305 92 Hawkclone
Engine: 4++,350 & 305 CIs
Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: SLP tri-y headers ???
Do you know if they are 1 5/8s or 1 3/4? (if they are 1 piece flange I may be interested in the headers)
They are some of the better headers made.
They are some of the better headers made.
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Car: 90 formula, 89 formula 350 vert
Engine: 305, 355
Transmission: T5, t56
Axle/Gears: 3:45 9 bolt, 8.8 3:73
Re: SLP tri-y headers ???
I know of two local sales of tri ys with y pipe at $650 for a driver quality set then $800 for a set that was super nice a few years back just to give you a number
#9
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Re: SLP tri-y headers ???
When did SLP offer 1-3/4" tri-y's? My old catalogs only list 1-5/8" primaries.
When I ordered my tri-y's (1-5/8") many moons ago, SLP's catalog listed both 49-state and CA versions. I called SLP and asked them what the difference was between the two. CA versions were wrapped. I ordered the 49-state versions because at the time I lived in a county that did not require emissions testing. That and $200 upcharge for header wrap seemed silly at the time.
FWIW the bare, 49-state versions did pass CA testing on my vehicle. YMMV.
When I ordered my tri-y's (1-5/8") many moons ago, SLP's catalog listed both 49-state and CA versions. I called SLP and asked them what the difference was between the two. CA versions were wrapped. I ordered the 49-state versions because at the time I lived in a county that did not require emissions testing. That and $200 upcharge for header wrap seemed silly at the time.
FWIW the bare, 49-state versions did pass CA testing on my vehicle. YMMV.
#10
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Re: SLP tri-y headers ???
Interesting. I have never heard the header wrap/CA thing before.
I wonder if any of the Firehawks were ordered by a CA dealer and delivered thru a CA dealer? My old #003 went thru a dealership just over the NV border from CA for the original owner that lived in CA. Car was of course CA registered and smogged no problem up to about 2003 I think when it left CA. But yeah like you said, CA doesn't care if they are wrapped or not in real life, same for the tri-ys on my GTA. They just care about the CARB sticker on the door.
Too bad I've had to sell of all my old SLP catalogs and GM Performance catalogs, I can't even try to reference anything on this matter :/
Anyone have a picture of SLP wrapped 50 state CA Tri-Ys?
I wonder if any of the Firehawks were ordered by a CA dealer and delivered thru a CA dealer? My old #003 went thru a dealership just over the NV border from CA for the original owner that lived in CA. Car was of course CA registered and smogged no problem up to about 2003 I think when it left CA. But yeah like you said, CA doesn't care if they are wrapped or not in real life, same for the tri-ys on my GTA. They just care about the CARB sticker on the door.
Too bad I've had to sell of all my old SLP catalogs and GM Performance catalogs, I can't even try to reference anything on this matter :/
Anyone have a picture of SLP wrapped 50 state CA Tri-Ys?
#11
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Car: 1989-92 FORMULA350 305 92 Hawkclone
Engine: 4++,350 & 305 CIs
Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: SLP tri-y headers ???
I have a pic or 2 of a 92 Hawk w wrapped headers.
One of them is 008 iirc.
25 and I think 26 had a jethot coating on the headers but not the air tubes, not sure on the Y pipe.
One of them is 008 iirc.
25 and I think 26 had a jethot coating on the headers but not the air tubes, not sure on the Y pipe.
Last edited by TTOP350; 09-04-2016 at 12:21 PM.
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