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

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Old 09-22-2008, 05:46 PM   #1
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Headers on SS

Will headers void the warranty for the SS? I am pretty sure an aftermarket cam will.
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Old 09-22-2008, 05:50 PM   #2
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only if they determine an exhaust problem caused what ever problem you need fixed with the warranty.

good news is that the presentation at indy hinted at headers being available
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Old 09-22-2008, 05:53 PM   #3
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Will headers void the warranty for the SS? I am pretty sure an aftermarket cam will.
No! Be safe and get the ones from GMPP.
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Old 09-22-2008, 06:43 PM   #4
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I think in a round-about way, they could lead to problems that would be the result of adding them. For example: not all cars require PCM tuning in order to run long tubes (I'm assuming you mean long tubes LTs)) however so do because they'll over-compansate with to much fuel or won't compansate enough. Each of those conditions can result in different things and failures. Okay, I'll tune the PCM - no biggie. Well, I think if you get into the PCM (unless it's through a GMPP-specific flash program (which I have not heard or ever seen anything about)) you'll be changing parameters that GM has set when programming the car and therefore void your powertrain warranty. I don't see any othe headers being offered by GM except shorties, in order to remain CARB-legal (unless they don't consider them accessories and as performance parts) and if that's the case you probably won't need much tuning because shorties have not really given much performance gains over LTs in the past because they didn't effect exhaust flow as much as LTs.

Sorry so long... The cam will - without a doubt in my mind (regardless of OEM or aftermarket) but I think you'll be asking for trouble, if you're worried about a warranty, unless you use anything outside of GMPP.

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Old 09-22-2008, 07:03 PM   #5
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there was talk of GMPP having Shorties for the Camaro
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Old 09-22-2008, 07:38 PM   #6
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It may void the warranty...but anyhow I'm pretty sure Kooks wiil have the best headers out for the CaMaRo
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Old 09-22-2008, 08:31 PM   #7
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Aren't headers only beneficial if you've done other stuff as well, like intake? You can't blow out what you're not taking in.
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Old 09-22-2008, 09:02 PM   #8
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Some of the members here need to spend some time over on LS1tech.com's Advanced Performance Forum...
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Old 09-22-2008, 09:35 PM   #9
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I'm going to have to post this more than Z28 rumor rebuttals. It's a law that protects your rights under warranty. You will not lose your warranty unless the new part specifically causes the old part to break.
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Old 09-23-2008, 10:30 AM   #10
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I won't make a big post because I don't want to repeat myself with a long thread that's boring nor seem like I'm following 'Blur around (seriously - I'm not ) but make no mistake that they will screwtinize any changes you make very carefully if your car has a problem. I know the law (okay, I don't know, but have a very general understanding) that you mean and think SEMA and some other aftermarket entities were fighting hard on legislation to protect customers with these laws. I'm just saying be careful with what you do with your car, because there are many ways to trace a problem to the cause.
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Old 09-23-2008, 10:55 AM   #11
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Can someone explain the difference between shorties and long tube headers. I mean obviosly shorties are shorter but what do they do differently and why would this make GM offer shorties?
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Old 09-23-2008, 11:16 AM   #12
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SHorties are basically just the collector and then a flange. LT are the collector from each of the 4 cyl on each side and then they continue back to a new H or X pipe depending on the design, then either High Flow cats or no cats.

As for the warrenty issues. The law is there but you will never win unless you have really deep pockets. I have been through this quite a few times so trust me. Dealers make more $ when you pay for a repair then if it is covered. With that said if they see an aftermarket part on the car they will usually do whatever they can to say that part increased the HP and original design of the car creating different conditions therefore whatever the failure is, it is not covered.

Now we call know that a 3" exhaust will not cause an alternator to go, but since they know you need a new one and they can pull this kind of stupid explaination, YOU now have to take them to court over an alternator. It is never worth it and yes you lose every time.

Unless your entire engine blows and it is a large expense item it is never worth it and dealers know this. So you will pay to play. If you mod with non warrentied parts expect to never have a drivetrain repair covered again. Some dealers are mod friendly but that is reallllllly rare. If you are going to mod you have to be willing to pay for it.
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Old 09-24-2008, 02:49 PM   #13
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Some of the members here need to spend some time over on LS1tech.com's Advanced Performance Forum...

MORE THAN A LITTLE TIME
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Old 09-24-2008, 03:08 PM   #14
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Some of the members here need to spend some time over on LS1tech.com's Advanced Performance Forum...
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MORE THAN A LITTLE TIME

better put thier flame suits on
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Old 09-24-2008, 03:46 PM   #15
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Can someone explain the difference between shorties and long tube headers. I mean obviosly shorties are shorter but what do they do differently and why would this make GM offer shorties?
In F-bodies, shorties as of late have typically just been a replacement for the OEM manifold, keeping the cats' in their original location(s). Hooker, Edelbrock, and possible a couple others (I can't think of for sure at this time) are a couple of the companies who have spent resources to test their shorties to pass CARB laws. GM would make shorties in order to pass CARB laws because there are no CARB-legal long tubes (LTs) (for at least 4th. Gen. F-bodies) because they don't light the cats' off quick enough and get them and keep them hot enough to burn all the emissions they're designed and supposed to. I have validated this by testing my own LTs with an infrared digital thermometer and found at idle the temps' just aft of the exhaust ports were around 700-800*s but when I check just in front of my cats', temps' were already down to around 400*. Cats' are designed to run hot (although they can run too hot a burn up - not litterally) in order to burn off more emissions. In addition, LTs are usually more difficult to install because they usually take up more space than shorties. Another thing to consider is that 02 sensors are designed to run under certain conditions to send accurate signals to the PCM and if you move them downstream of the their original location(s) they may not be operating under the same conditions and send false information (voltage) to the PCM (i.e. having already said the further you go down the header (or exhaust) the cooler the gasses get and if you move the sensor(s) further away from the exhaust port it may not be operating within the range it is supposed to.) I know this from experience with mid-length and LTs and have had my tuner disable the PCM from referrencing the 02s. There are people on both sides of the fence on whether or not this is the best approach, in this regard, but I'm just going by experience and with my tuner.

Power-wise, shories can produce really good power if you rev' the engine high enough but you can have a more power under the curve with LTs because they scavange the exhaust and actually pull more spend gasses, after combustion in the engine, so the new air-fuel mixture will be less polluted by the previous combustion event. Think about it like flushing your toilet - shorties would leave more of your waste in the bowl than LTs because LTs will evacuate the bowl better leaving clear water there.

I could go on more, and this is all off the cuff, but I'd be happy to clarify. There's a lot I left out and some I'm sure I'd revise, but that's the sum of it
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Old 09-24-2008, 04:31 PM   #16
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better put thier flame suits on
No joke. Alot of the people over there don't even know what they're talking about, they just like to be assholes.
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Old 09-24-2008, 04:36 PM   #17
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Headpunter - didn't John Cox say this weekend that whatever bolt on performance parts you buy through the dealer will not void the warranty?
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Old 09-24-2008, 06:05 PM   #18
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Headpunter - didn't John Cox say this weekend that whatever bolt on performance parts you buy through the dealer will not void the warranty?
Assuming that's what you heard, this is exactly the reason I won't be straying too far from GMPP or accessory parts Even IF GM were to offer LTs, they would almost be guaranteed to be "Race Only" and not be offered with a warranty.

JMVHO.
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Old 09-24-2008, 06:53 PM   #19
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yeah the GMPP stuff has its own warranty that covers any gaps it creates.
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Old 09-24-2008, 07:35 PM   #20
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Headpunter - didn't John Cox say this weekend that whatever bolt on performance parts you buy through the dealer will not void the warranty?
Yeah I Heard Something To that effect..
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In light of the recent comments concerning Camaro, and the increased excitement as it finally comes to market, please take a moment and read the following closely;

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Old 09-24-2008, 07:36 PM   #21
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Assuming that's what you heard, this is exactly the reason I won't be straying too far from GMPP or accessory parts Even IF GM were to offer LTs, they would almost be guaranteed to be "Race Only" and not be offered with a warranty.

JMVHO.
One thing to keep in mind is the approach they are taking with this car with respect to over the counter parts. They really want the buyer to be able to customize the car to his/her taste and are going to offer more neat stuff then they have in the past.

Take the engine covers and interior lighting packages for example. GM has never gone that far before in having those type of parts available at launch. Usually they left it to the aftermarket.
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Old 09-24-2008, 07:47 PM   #22
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they want the car to appeal to the average guy that could do a couple little weekend projects here and there so the car can be his own.
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Old 09-24-2008, 11:13 PM   #23
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Will headers void the warranty for the SS? I am pretty sure an aftermarket cam will.
Shop around for a good service department just like you do to purchase the car, you don’t have to get it serviced where you purchased it.

A good friend of mine Found a local dealership with a motor head for a service writer; in fact the service writer drives a moded F-body. My friend was still under warranty and had headers, cam, and heads when He had a problem with the rear end (Good ole 10 bolt). They replaced it under warranty. It was kind of funny to see the tech start it up, he sat there for a second right after turning the key "something is certainly wrong with the idle" written all over his face.
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