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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 04-28-2009, 06:29 AM   #1
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GMPP Air Intake= How many +HP? If any?

So the question is just what the title is. With that air intake give you any extra HP just by letting the car breath better? Or what can be added to the car to boost HP without Voiding the Warrenty?
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Old 04-28-2009, 07:04 AM   #2
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to get any significant gain from an aftermarket intake you will need to change the tune to reflect the new flow (if more than stock) just putting on a smoother tube does very little for performance.

free flowing exhaust (muffler), underdrive pulleys will free up some HP without voiding the warranty.
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Old 04-28-2009, 07:10 AM   #3
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Im not sure about the GMPP intake. I will wait until AEM comes up with a intake for the Camaro. Nice question by the way.
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Old 04-28-2009, 07:19 AM   #4
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With a big V8, you've got a better chance at making more power with simple bolt-ons. Even so, I wouldn't expect much.
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Old 04-28-2009, 08:00 AM   #5
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As with the ls1s of the 4th gens I would expect to free up about 10-15hp from an intake. The 5th gen has huge air baffles in the intake to quiet it down alone. However I wouldnt put anything from AEM on my car or any other Camaro. Unless you want to fit in with the Honda crowd. You can always check the popular parts supplies of 4th gen camaros as parts become available. I.E. Thunder Racing....Speed INC. They are usually on top of their game. Plus PCM for less does cheap but effective tuning with 0 down time.

Your basic mods are going to be Intake/ catback/ UD pully/ mail order tune/ gears.....Im not sure if headers affect warranties or not.
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Old 04-28-2009, 08:05 AM   #6
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I am getting the GM intake. Mainly for the look. The stock unit is not pretty, as is the case with most cars. You will not notice any change in performance with just this mod.
I know one thing, there is alot of heat under there and no way would I put an open element intake on the car. It needs to be shielded.
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Old 04-28-2009, 08:05 AM   #7
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I've read a bunch of different things, just trying to figure out what to do to it. Its got to beat my bike in a 1/4 mile drag. Thats all i want. ha ha.
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Old 04-28-2009, 08:44 AM   #8
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I would expect about 10hp or so ... all dependent on other mods as well. If you are worried about warrenty, you are usually pretty safe with Air Intake, and catback modifications .. may net you 15 - 20 hp on a good day. You can always do a high flow catted mid pipe for a few more HP as well ..

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Old 04-28-2009, 09:46 AM   #9
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Replacing the lids and baffles on 4th Gens was usually good for around 10 RWHP according to tests I've read by different sources. LT1 intakes were sometimes good for more! I think that the GMPP system will add between 5 and 10 RWHP mostly due to replacing the tubes/baffles with nice round tubes. It'll probably give a little more intake roar but I wouldn't expect too much. The computer will likely be able to compansate for a little extra flow, but tuning will make the most of the mod'. The factory usually tunes the car pretty conservative and rich, to protect the engine, and tuners, by and large, seem to lean them out most of the time and get that AFR around the mid 12s. Each combination is different and FI tunes are usually, from what I've read, in the mid-to-upper 11s.

Back to the GMPP intake, I think about 10 RWHP will be about the most one can reasonably expect from the mod'. It looks better and should flow better, at no cost to water getting into it, so it looks good in my eyes.

JMHO.
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Old 04-28-2009, 09:51 AM   #10
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also, dont look for the hp on a dyno. the cold air intakes really do their thing while the car is moving forward. there was a seat of the pants difference when we did it to the vette without a tune
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Old 04-28-2009, 01:03 PM   #11
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Ss1129 there are 0 problems with some AEM intakes. And who cares about crowds. Its all about Horsepower and with AEM you will get horsepower. "Honda Crowd" was that a joke? The Camaro is made by Chevrolet, genius.
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Old 04-28-2009, 01:57 PM   #12
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Ss1129 there are 0 problems with some AEM intakes. And who cares about crowds. Its all about Horsepower and with AEM you will get horsepower. "Honda Crowd" was that a joke? The Camaro is made by Chevrolet, genius.
I believe it's a jab at the Fast and Furious crowd. I've got an Injen CAI on my STi, so I'd probably get lumped into that group as well. I pity the poor b*stard that actually admits to using a NOS product on here. This group will eat him alive.

I'm planning on putting a CAI on mine when I get it. That's generally the first thing I do when I get a car, since the stock air box is always so winding and restrictive and an intake is usually pretty cheap compared to other mods. Hopefully it won't take long for the aftermarket to catch up to GMPP offerings. I won't discriminate based on what "crowd" an intake reflects. I'll get what I feel is a good performance/value ratio.
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Old 04-28-2009, 02:17 PM   #13
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I believe it's a jab at the Fast and Furious crowd. I've got an Injen CAI on my STi, so I'd probably get lumped into that group as well. I pity the poor b*stard that actually admits to using a NOS product on here. This group will eat him alive.

I'm planning on putting a CAI on mine when I get it. That's generally the first thing I do when I get a car, since the stock air box is always so winding and restrictive and an intake is usually pretty cheap compared to other mods. Hopefully it won't take long for the aftermarket to catch up to GMPP offerings. I won't discriminate based on what "crowd" an intake reflects. I'll get what I feel is a good performance/value ratio.
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Old 04-29-2009, 09:39 AM   #14
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Anybody know how difficult the GMPP CAI box will be to install? Is it just a couple of screws and clamps and you're done? The reason I ask is that the installation fee on my dealer's accessory site shows ~$30 for installation. I'm thinking that's $30 I could save doing it myself unless there is something special about it requiring special tools or something....
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Old 04-29-2009, 09:53 AM   #15
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Anybody know how difficult the GMPP CAI box will be to install? Is it just a couple of screws and clamps and you're done? The reason I ask is that the installation fee on my dealer's accessory site shows ~$30 for installation. I'm thinking that's $30 I could save doing it myself unless there is something special about it requiring special tools or something....
They are extremely easy to install. I'd save the money and do it yourself. All the ones I have done have been a couple of bolts and clamps and you are good to go.
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Old 04-29-2009, 09:56 AM   #16
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Do it yourself...Also you could wait a couple of weeks and see what the aftermarket offers...WINK WINK

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Old 04-29-2009, 10:00 AM   #17
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As soon as my car arrives I will have it on the dyno with the GMPP Cold Air Kit as well as several other mods.

Stay tuned


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Old 04-29-2009, 10:02 AM   #18
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As soon as my car arrives I will have it on the dyno with the GMPP Cold Air Kit as well as several other mods.

Stay tuned


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Your car won't be moving, so expect very little if any increase.
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Old 04-29-2009, 10:10 AM   #19
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Do it yourself...Also you could wait a couple of weeks and see what the aftermarket offers...WINK WINK
True. Why not? It's not like I'm going to have my car any time soon so it seems...
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Old 04-29-2009, 10:12 AM   #20
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I doubt that, I have seen increases on every other system that I have installed and dyno'd

Camaro sould repeat those results, by how much remains the question.

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Old 04-29-2009, 11:18 AM   #21
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Usally to get the cold air intake to show increases the place a couple of large fans in front of the car to simulate air moving over the car.
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Old 04-29-2009, 11:39 AM   #22
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Have the kit but not the car......






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Old 04-29-2009, 12:07 PM   #23
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I'm betting somewhere between 2-3whp max, which is small enough that it might be just a dyno discrepancy.
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Old 04-29-2009, 12:08 PM   #24
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Looks nice, just wish they didn't want so much money for it.
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Old 05-01-2009, 04:15 PM   #25
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A half decent lid and/or cold air kit has been a dyno proven 10+ rwhp mod on LT1 and LS1 Fbodies. Looking at the design of the stock intake here I'm figuring i will be worth about that here as well provided it is a good kit. I look forward to a dyno test to get real numbers from both the GMPP intake and other aftermarket models though. I'll buy whatever gives the best bang for the buck...

Heck a cold air intake kit has proven to be worth a good chunk of power on virtually every modern V8 car out. The G8 GTs and Chrysler Hemi cars, Mustangs, etc are pretty much all guaranteed to gain ~10ish rwhp at least as well. Just depends on how much the factory intake sacrifices to cut noise and fit in a cramped engine bay...
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