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

Hooker long tube clarification

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Old Mar 14, 2022 | 11:27 AM
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Default Hooker long tube clarification

Okay, I'm getting long tubes and was going to get the 2151's from Hooker, (specifically the 2151 2HKR), but then stumbled upon the Hooker 265-400 which are specifically made for the C4s. I'm not worried about o2 bungs emissions etc. I have a tuner cat and 95, so that's easy to take care of. Thanks for the help!
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Last edited by Ranger72; Mar 14, 2022 at 12:41 PM.
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Old Mar 14, 2022 | 12:48 PM
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You've got the naming mixed up, its meant for 265-400 cubic inch SBC, not a specific part number.

2151 is the part number, or 2149 if you want all the hookups for AIR/EGR. Those are specific to 84-91 C4s.

You do need the O2 bung put in the header unless you're going to carburetor.

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Old Mar 14, 2022 | 01:02 PM
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https://www.summitracing.com/parts/h...oaAl7kEALw_wcB
vs
https://www.jegs.com/i/Hooker-Header...2/-1#reviewTab

And yes, I see I had quite the brain fart. Haha. Still, what are the differences between those two linked headers. Thanks!
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Old Mar 14, 2022 | 01:05 PM
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Ok, I'm clearly having a dyslexic day. The once linked from Summit are clearly the wrong number. I need more sleep clearly. Hahaha
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Old Mar 14, 2022 | 01:07 PM
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2151 specifically made to fit with your accessories, drop the collectors at the right angle so it doesn't interfere with the power steering or hit the firewall or starter.

2551 looks like its meant for a Monte Carlo or someone who has more freedom, like building a hot rod. May not allow you to keep something like the AC Condensor in the same spot.
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