I thought these were for a hot air, I sold them as such, but the purchaser said they are for an intercooled... I took them back but I have verified what they are again...

1986 Buick GX1

GX1 #001 [The One and Only]
They are Hooker headers for an '86/ '87 I/C car. (It looks like Hooker headers copied the early Kenne-bell design)
You need the right combo because they have larger primaries and spool a little slow otherwise.
They probably work good on an 8 sec car.??
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