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

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Old 11-28-2012, 11:33 PM   #1
bngummow
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Lt headers w/ hf cats or mufflers?

I am planning on getting longtube headers but i cant decide if i want to buy high flow cats with it or mufflers. What will give me less drone? Which one would be louder at idle?
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Old 11-28-2012, 11:35 PM   #2
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kind of confused, you are asking if you should get mufflers or not ?
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Old 11-28-2012, 11:49 PM   #3
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kind of confused, you are asking if you should get mufflers or not ?
i am asking if i should get high flow cats or mufflers. and which one will be louder?
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Old 11-28-2012, 11:54 PM   #4
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Of course it would be louder without mufflers.
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Old 11-28-2012, 11:59 PM   #5
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Of course it would be louder without mufflers.
would more drone come with that though?
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Old 11-29-2012, 12:00 AM   #6
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i am asking if i should get high flow cats or mufflers. and which one will be louder?
that can depend what mufflers?
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Old 11-29-2012, 12:46 AM   #7
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it will drone if you remove the cats for sure, you can still maintain a tuff idle sound without getting a annoying drone, feel free to pm me if you wish to ask any questions
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Old 11-29-2012, 01:55 AM   #8
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Maybe I'm the only one that read it this way but... Are you thinking of buying an extra set of mufflers and welding them in where your cats are/were?
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Old 11-29-2012, 02:45 AM   #9
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Kooks does make a small 3inch race muffler that could go in the place where the cats would usually go I think. If you plan to supercharge down the road leave the cats off. If you dont plan on a supercharger or live in a state that needs the cats then get the high flow cats. Hope this answers your question.
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Old 12-01-2012, 11:20 AM   #10
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I have kooks 1 7/8 headers with kooks hiflo cats no res or muffler and like the sound, its load if ur getting on it, a small drone at 1800--2000. u can hear exhaust in the car windows up while just driving, quiets down nice in 6th gear and you can hardly hear it
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Old 12-01-2012, 11:43 AM   #11
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ok im sorry. my question was not very clear. I am getting stainless lt headers. The question is... should i get hi flo cats and keep my stock catback (magnaflow xpipe, no resonators/mufflers), or have no cats and a 3" flowmaster AT catback system?
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Old 12-01-2012, 12:10 PM   #12
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O ok, sorry mis understood you. If you plan on ever going f.i. then id skip the cats, if not then I would just get some hiflo's.. You dont have to have hiflo's if you dont go f.i. but if you have emission testing you wont pass without them
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Old 12-01-2012, 12:12 PM   #13
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I would get both, with that said if I could only have 1 I would get mufflers to keep California police of my case. They wont get on ground and check for cats but they will get you if car is to loud. Then start checking on your other mods which you do not want.
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Old 12-01-2012, 12:14 PM   #14
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Long tubes are going on soon, no cats, no mufflers. XD We'll see if it's too loud, but I'm not worried. Until I hear otherwise, there is no such thing as too loud.
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Old 12-01-2012, 12:26 PM   #15
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Long tubes are going on soon, no cats, no mufflers. XD We'll see if it's too loud, but I'm not worried. Until I hear otherwise, there is no such thing as too loud.
id like to hear it when you get it! post a vid!
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Old 12-01-2012, 02:28 PM   #16
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Checkout the tsp exhaust systems. You can buy the tsp headers with or without cats and try it out. If you want to switch between the two it's only a quick unclamp and reclamp. Furthermore we offer a 3" x pipe upgrade or a full 3" exhaust upgrade with magnaflow mufflers that you can add as u go!
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