Headers w/o AIR pipes and 3" Y-pipe outlet
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Car: 1987 Firebird Formula 350
Engine: 5.7 Vin 8 L98
Transmission: R-700 Auto
Axle/Gears: factory
Headers w/o AIR pipes and 3" Y-pipe outlet
This question has probably been posted somewhere before but I still can't find a solid answer.
Does any header company make a set of shorty headers and Y-pipe that fits the 350 with a 3" single cat inlet AND, (here is the tricky part) does NOT have the AIR tubes and requires no welding of the Y-pipe to fit ? I can't find headers that meet those requirements anywhere except Dyno Don's and I have been unable to contact him through this web site. I don't even know if he is still in business. I don't have a welder and just want a set that I can just bolt on and go. Thanks for any input.
Does any header company make a set of shorty headers and Y-pipe that fits the 350 with a 3" single cat inlet AND, (here is the tricky part) does NOT have the AIR tubes and requires no welding of the Y-pipe to fit ? I can't find headers that meet those requirements anywhere except Dyno Don's and I have been unable to contact him through this web site. I don't even know if he is still in business. I don't have a welder and just want a set that I can just bolt on and go. Thanks for any input.
Last edited by nortron; 07-29-2018 at 07:01 PM. Reason: added clarity
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Re: Headers w/o AIR pipes and 3" Y-pipe outlet
Lon carries DynoDon's products through his TDS site. You can also reach Lon via PM on this site (lonsal), or he may reply here as well.
http://www.top-downsolutions.com/
http://www.top-downsolutions.com/
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Car: 1987 Firebird Formula 350
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Re: Headers w/o AIR pipes and 3" Y-pipe outlet
Thanks DynoDave. Yes - I did see in my searching that TDS sells the Dyno Don's headers wihout AIR tubes, but his matching Y-pipe requires fitting, welding and sending out for ceramic coating (+$200). I'm doing this in my garage at home and don't have access to a mig/tig welder or the experience to do it. I guess I could try and find a local welding shop to do the welding but I would much prefer a setup that I can just bolt on. I find it hard to believe that with all the Third Gen Camaros and Firebirds out there that somebody does not make a bolt on system without the smog AIR pipe headers.
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Re: Headers w/o AIR pipes and 3" Y-pipe outlet
I do, but for shipping purposes the 3" outlet has to be welded after install.
Send me a PM
Send me a PM
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Car: 1987 Firebird Formula 350
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Re: Headers w/o AIR pipes and 3" Y-pipe outlet
Thank you for the update. I appreciate you getting back. I'll have to try and find a local shop to do the final welding.
Have a great day.
Have a great day.
#6
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Re: Headers w/o AIR pipes and 3" Y-pipe outlet
Hooker 2460 1 5/8 primary and 3" outlet. They also come in ceramic
https://www.summitracing.com/parts/hok-2460hkr
https://www.summitracing.com/parts/hok-2460hkr
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Car: 1987 Firebird Formula 350
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Re: Headers w/o AIR pipes and 3" Y-pipe outlet
Thanks for your reply.
I looked at those headers as well. The headers have a 3" dia. collector where they go into the Y-pipe, but unfortunately the matching Y-pipe is only a 2.5" dia. outlet (to the cat). I need a 3" dia. Y-pipe outlet. Maybe Hooker has one but I'm not seeing it anywhere for these headers. I know they have a 3" dia. Y-pipe that works with the 2055 headers but I don't know if that one would work with these 2460 headers. I can't get an answer from Hooker. I don't even know if they sell that 3" dia. Y-pipe separately or not.
If you have a 3" cat back on your car (like I do), how did you manage with the 2.5" dia. outlet Y-pipe?
I looked at those headers as well. The headers have a 3" dia. collector where they go into the Y-pipe, but unfortunately the matching Y-pipe is only a 2.5" dia. outlet (to the cat). I need a 3" dia. Y-pipe outlet. Maybe Hooker has one but I'm not seeing it anywhere for these headers. I know they have a 3" dia. Y-pipe that works with the 2055 headers but I don't know if that one would work with these 2460 headers. I can't get an answer from Hooker. I don't even know if they sell that 3" dia. Y-pipe separately or not.
If you have a 3" cat back on your car (like I do), how did you manage with the 2.5" dia. outlet Y-pipe?
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Re: Headers w/o AIR pipes and 3" Y-pipe outlet
That seems to be the only solution so far. I don't have a welder so I would have to find a local shop somewhere.
Thanks.
Thanks.
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Re: Headers w/o AIR pipes and 3" Y-pipe outlet
Go with Dyno Dons. They are way better than all the rest. He the only one that makes them with 1 3/4in tubes and the exhaust flow and construction is better than the rest. You are guaranteed to run in the mid 13’s@102-104mph in a stock L98.
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Re: Headers w/o AIR pipes and 3" Y-pipe outlet
Thanks Vincent. appreciate the input.
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