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Inside hood stickers

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Old Feb 20, 2026 | 01:45 PM
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Default Inside hood stickers

Hey y'all.

My new C4 has these stickers on the inside of the hood... Are any of these brands/names familiar? I wish I had more maintenance records for the car, but maybe these stickers can give an idea of where to start.

These stickers are under the hood
These stickers are under the hood
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Old Feb 20, 2026 | 08:09 PM
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Grab your googler and you will have your answers. Whether or not a prev owner actually bought and installed any parts is another issue. Maybe they just liked sticking stickers.

SLP. https://www.slponline.com


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Old Feb 20, 2026 | 09:07 PM
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Originally Posted by flyboyslc1
Grab your googler and you will have your answers. Whether or not a prev owner actually bought and installed any parts is another issue. Maybe they just liked sticking stickers.

SLP. https://www.slponline.com


Welcome to the forum.
Of course i understand i can google all of these. I'm not looking for a google search result. Id like to know what everyone here thinks. I dont know anything about performance parts or upgrades. I m not sure how these companies parts compare to stock components or other aftermarket parts. Even when looking these things up, I'm not solid on what I'm looking at.

I've not been here long, but it is clear that everyone here is very knowledgeable in all things corvettes, and have lifetimes more experience and knowledge than I have now or will likely ever have. I'm just trying to figure some stuff out man. People here are experts.

I agree I don't know if the previous owner actually installed the parts, or if they have since been replaced. I like sticking stickers as much as the next person myself, but not on a car like this, or any car at all haha. It is absolutely possible that they just put the stickers on here as a front or to try and show off or just cuz they like stickers, but its also possible that these parts are on the car. Are you familiar with any of these brands?
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Old Feb 20, 2026 | 09:39 PM
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If it were me, I'd ditch the stickers and repaint the under side of the hood. Stickers are gaudy.

Heck, you can buy something as cheap and trivial as a clamp and they might throw a sticker in there just for advertising.
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Old Feb 20, 2026 | 09:53 PM
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Originally Posted by Natty C
If it were me, I'd ditch the stickers and repaint the under side of the hood. Stickers are gaudy.

Heck, you can buy something as cheap and trivial as a clamp and they might throw a sticker in there just for advertising.
Is the underside of the hood supposed to match the exterior paint color? The car is Black Rose, but the underside of the hood is just black as far as i can tell.

I didn't know they would give out the stickers so ***** nilly but I guess for advertising it makes sense to give them out to as many people as possible. I do see that there is a part from BBK on the top of the engine. I've tried looking up BBK Edelbrock, but I cant find anything that looks exactly like this. Appears to be part of the air intake system. Any idea what this is or how it improves anything?
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Old Feb 20, 2026 | 10:10 PM
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Bbk is mostly known for throttle bodies, but they make headers and stuff too. Your car appears to have a BBK throttle body, or at least the plate for it

Powerflo makes exhausts, muffled, headers, etc.

K&N makes air filters and air intakes.

Summit sells parts. Like, a lot of parts. Almost any part you can I agine from spark plug wires to full engines to race equipment.

SLP is an old school GM tuner. They sell intakes and exhausts mainly. Their big thing with the C4 was "the claw", a hot air intake with 3 open air filters.

Mid America is another parts seller. They're more Corvette specific.

Jet used to sell ECU trickery products. I always thought they were basically snake oil, but the idea was that they tricked the cars computer to "make more power? Not worth it vs a real tune IMO.

Sounds to be like your car likely has an intake and exhaust, possibly a larger throttle body, which would be a weird mod for someone to do without further mods like long tube headers or a heads and cam package.

Last edited by FAUEE; Feb 20, 2026 at 10:16 PM.
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Old Feb 20, 2026 | 10:28 PM
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Originally Posted by FAUEE
Bbk is mostly known for throttle bodies, but they make headers and stuff too. Your car appears to have a BBK throttle body, or at least the plate for it

Powerflo makes exhausts, muffled, headers, etc.

K&N makes air filters and air intakes.

Summit sells parts. Like, a lot of parts. Almost any part you can I agine from spark plug wires to full engines to race equipment.

SLP is an old school GM tuner. They sell intakes and exhausts mainly. Their big thing with the C4 was "the claw", a hot air intake with 3 open air filters.

Mid America is another parts seller. They're more Corvette specific.

Jet used to sell ECU trickery products. I always thought they were basically snake oil, but the idea was that they tricked the cars computer to "make more power? Not worth it vs a real tune IMO.

Sounds to be like your car likely has an intake and exhaust, possibly a larger throttle body, which would be a weird mod for someone to do without further mods like long tube headers or a heads and cam package.
So a good place to start looking would be the air intake system, exhaust, and possibly the computer system?
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Old Feb 20, 2026 | 11:08 PM
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Yeah I mean, looking at the outside of the engine is usually a good start, lol. If you post a picture of the air intake and down to the exhaust hanging off the motor you'll know how stock it is pretty much immediately. A video of it starting up and idling will help tell by sound how stock it is too.
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Old Feb 20, 2026 | 11:36 PM
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I obtained a BBK throttle body originally because my factory original had a vacuum leak around the throttle shaft and the engine was performing poorly so I was trying to start with vacuum leaks as the culprit. It turned out there was a slew of other issues that were contributing to the poor performance and the BBK throttle body had vacuum leaks around the throttle shaft also. I swapped back to my Factory oem unit.

Some people reported a whistling sound with the BBK due to port mismatch between the TB and the intake plenum. I didn't run it long enough to experience this and mine was running so poorly at the time I wouldn't have noticed.

Anyway, overall the BBK did look like a decently made product but I think the performance increase by itself would be negligible without other modifications.
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Old Feb 23, 2026 | 09:19 AM
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I would remove the stickers. Maybe WD40 will dissolve the adhesive. Dan
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Old Feb 23, 2026 | 05:46 PM
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Originally Posted by Mknoeferl
Is the underside of the hood supposed to match the exterior paint color? The car is Black Rose, but the underside of the hood is just black as far as i can tell.
Underside of the hood is flat black. Looks like yours just needs a good cleaning. Just be careful not to get any water (or liquid of almost any kind, for that matter) in or around the water pump area or you might hose up your Opti-Spark.

And yeah...if it were me, I'd remove the stickers. Way too gaudy. Goo-Gone is really good for that. Then cleaning.
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