C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

90' C4 Headers

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Old Jan 11, 2024 | 01:11 AM
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Fabian.salinas's Avatar
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Default 90' C4 Headers

Young guy that just picked up a Corvette for his first car purchase. I'm currently looking online to find a pair of long tubes that'll fit a bone stock L98. I've read a few forums now and searched online but found nothing substantial enough to finally purchase any. Does anyone have any advice on the best fitting/functioning set that I can buy that won't totally kill my wallet. Any advice on a good y-pipe would be greatly appreciated too. If it's any help I have aluminum heads as well.
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Old Jan 11, 2024 | 12:38 PM
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TPIS and hooker both sell sets that fit well I am sure there are others and I cannot really comment on price.

The TPIS Y-pipe I had fit well, no idea on others.

Last edited by bjankuski; Jan 12, 2024 at 07:22 AM.
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Old Jan 11, 2024 | 10:06 PM
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Last I checked TPIS is not producing headers at the moment, and doesn’t have an ETA for production. I have the bare steel hooker headers with no emissions, these appear to be discontinued now. Shame too because they were about $600 at the time and one of the more affordable options. I believe the emissions version is still available. Only complaint with my set is interference around the steering shaft joint.

Headman elites seem to have decent reviews. They have a thicker flange and are just overall nicer (from what I’ve read). The only other option I can think of is Exotic Muscle. They’re ceramic coated and a more premium option. Stainless Works and ARH are going to be big $$$.

As far as the Y-pipe goes, you are much better off having an exhaust shop make one for the car. It will be cheaper and likely fit much better. The y-pipe I attempted to install (before going duals) had zero chance of fitting and had to be taken to a shop.
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Old Jan 12, 2024 | 01:17 PM
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Originally Posted by Spencer Smith
Last I checked TPIS is not producing headers at the moment, and doesn’t have an ETA for production. I have the bare steel hooker headers with no emissions, these appear to be discontinued now. Shame too because they were about $600 at the time and one of the more affordable options. I believe the emissions version is still available. Only complaint with my set is interference around the steering shaft joint.

Headman elites seem to have decent reviews. They have a thicker flange and are just overall nicer (from what I’ve read). The only other option I can think of is Exotic Muscle. They’re ceramic coated and a more premium option. Stainless Works and ARH are going to be big $$$.

As far as the Y-pipe goes, you are much better off having an exhaust shop make one for the car. It will be cheaper and likely fit much better. The y-pipe I attempted to install (before going duals) had zero chance of fitting and had to be taken to a shop.
I have Headman elites good fit, stock starter. no completes.
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