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

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Old 05-27-2013, 05:44 PM   #1
jake2212

 
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Hf cats vs. no cats

Ok so other than price is there any difference to the car (performence or sound) between the two?
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Old 05-27-2013, 05:46 PM   #2
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Ok so other than price is there any difference to the car (performence or sound) between the two?
Cats are a bit quieter and deeper. No cats are raspier, and make anywhere you go smell like a drag strip.
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Old 05-27-2013, 05:47 PM   #3
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Cats are a bit quieter and deeper. No cats are raspier, and make anywhere you go smell like a drag strip.
What's wrong with that? The drag strip always smells awesome!
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Old 05-27-2013, 05:48 PM   #4
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What's wrong with that? The drag strip always smells awesome!
I didn't say it was bad. I like it as well.
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Old 05-27-2013, 05:52 PM   #5
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No cats will add better power in combination with Long tube headers. With your mods, you might see up to 5hp gain. Plus without a tune you'll lose TQ down low and gain high in the band only.
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Old 05-27-2013, 06:08 PM   #6
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Hi flow cats or green cats don't like boost. Boosted motors burn up cats . I too like the drag strip smell. No cats are free. I am a big fan of the cat delete. At least with my car, nothing raspy about it, matter of fact the exact opposite is true.
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Old 05-27-2013, 06:10 PM   #7
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Now if u get a cat delete the cel light turns on, does it effect any warranty work that might need done as well?
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Old 05-27-2013, 06:17 PM   #8
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Now if u get a cat delete the cel light turns on, does it effect any warranty work that might need done as well?
If you tune it it will void the warranty.
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Old 05-27-2013, 06:18 PM   #9
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In trying to hold onto what little warranty I still have
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Old 05-27-2013, 06:20 PM   #10
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In trying to hold onto what little warranty I still have
If you want to have headers without having to tune, you would need green cats since they don't throw a CEL. Only problem is that Green Cats cost your right arm...
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Old 05-27-2013, 06:21 PM   #11
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You will most likely have a cel with hf cats and long tubes as well. That means it won't pass inspection(in most states). If you tune it it will void engine warranty. Double edged sword of modding the engine past cai and catback.
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Old 05-27-2013, 06:21 PM   #12
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I'm just gettin hf cats, no headers
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Old 05-27-2013, 06:23 PM   #13
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I'm just gettin hf cats, no headers
There's no point of just getting hi flows. It's not worth it.
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Old 05-27-2013, 06:25 PM   #14
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There's no point of just getting hi flows. It's not worth it.
Ok, was jw cause I plan on swapping my exhaust out for a zl1 exhaust and I wanna keep it loud
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Old 05-27-2013, 06:25 PM   #15
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There's no point of just getting hi flows. It's not worth it.
I'm still learning
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Old 05-27-2013, 06:32 PM   #16
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I'm still learning
It's all good! Seriously look into headers, they will change the car.
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Old 05-27-2013, 06:36 PM   #17
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It's all good! Seriously look into headers, they will change the car.
I have but wouldn't that be bad if I didn't tune it?
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Old 05-27-2013, 06:40 PM   #18
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I have but wouldn't that be bad if I didn't tune it?
It's not bad. AdamZ has been running no tune and headers for awhile. The green cats are always an option as well.
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Old 05-27-2013, 06:40 PM   #19
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It's not bad. AdamZ has been running no tune and headers for awhile. The green cats are always an option as well.
What are green cats?
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Old 05-27-2013, 06:41 PM   #20
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Expensive lol.
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Old 05-27-2013, 06:43 PM   #21
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Expensive lol.
Out of the question then lol
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Old 05-27-2013, 06:48 PM   #22
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If you don't want to void any warranty I agree with MikeyG don't do anything. There is no point to messing with the cats. IMHO
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Old 05-27-2013, 06:51 PM   #23
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If you don't want to void any warranty I agree with MikeyG don't do anything. There is no point to messing with the cats. IMHO
The setup I have right now sounds awesome the only problem is I like how the zl1 exhaust looks 10x more. I wanna switch to the zl1 but keep the sound
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Old 05-27-2013, 06:52 PM   #24
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Your car is a '10 so the warranty should be going out anyway...
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Old 05-27-2013, 07:08 PM   #25
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Your car is a '10 so the warranty should be going out anyway...
5 year 100K warranty on powertrain. he still has a few years/miles I'm sure. HF cats from the stock manifolds will get you some extra HP, buuuutttttt. rumors have it the JBA ones usually trip the CEL. Solo cats have a better history at not doing that. Personally if you aren't willing to go all out and get headers/cats with a tune then don't do it at all. That setup will net you close to 50RWHP with an intake already installed. Cats alone will maybe get you 15-20ish.
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