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Old 05-24-2013, 09:18 PM   #1
JWoj3540
 
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Kooks Headers + Magnaflow Catback…cats?

I am ordering the Magnaflow catback part no. 16483 soon which will be followed by Kooks 1 ⅞" headers. I am wondering if I just go with Kooks hi-flow cats that can come with the headers or if I should fit Solo hi-flow cats into the setup. I've heard really good things about the Solo cats so didn't know if it was worth it or if the Kooks ones would be just as good?

Thanks.
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Old 05-24-2013, 09:24 PM   #2
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I dont think Solo makes the catted connection pipes for headers. Go with the Kooks catted connection pipes.
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Old 05-24-2013, 09:32 PM   #3
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I dont think Solo makes the catted connection pipes for headers. Go with the Kooks catted connection pipes.
Okie dokie, thanks!
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Old 05-25-2013, 02:13 AM   #4
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Only Kooks mid pipes work with Kooks headers. We have a great deal in this package..if interested, contact us at the number in the sig. Thanks!
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Old 05-28-2013, 11:43 AM   #5
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Only Kooks mid pipes work with Kooks headers. We have a great deal in this package..if interested, contact us at the number in the sig. Thanks!
Thanks, when ready I will definitely be coming to you guys...heard a lot of good things
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Old 05-28-2013, 11:47 AM   #6
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SOLO makes HF cats designed to connect to stock headers. Once you switch to Long Tubes you won't be able to use SOLO. Stick with KOOKS cats for KOOKS headers.

BTW: I love my combo of KOOKS LTs/HF cats/Magnaflow 3"
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Old 05-28-2013, 11:50 AM   #7
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I had the same set up till I just got rid of the cats
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Old 05-28-2013, 12:00 PM   #8
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Quote:
Originally Posted by JWoj3540 View Post
I am ordering the Magnaflow catback part no. 16483 soon which will be followed by Kooks 1 ⅞" headers. I am wondering if I just go with Kooks hi-flow cats that can come with the headers or if I should fit Solo hi-flow cats into the setup. I've heard really good things about the Solo cats so didn't know if it was worth it or if the Kooks ones would be just as good?

Thanks.
Just curious....why are you ordering the exhaust before the headers if you know you are going to get headers? The headers change the tone and volume a lot so, you might want to consider doing that first and then make your exhaust decision.
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Old 05-29-2013, 11:28 AM   #9
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Just curious....why are you ordering the exhaust before the headers if you know you are going to get headers? The headers change the tone and volume a lot so, you might want to consider doing that first and then make your exhaust decision.
I've considered this, but as soon as I get LTs I know I am going to want to get a dyno tune to get the most out of them and I am not in a hurry to void my warranty so I'm putting it off for a year. In the mean time, I want a better exhaust sound so it made sense to me to throw on the catback first...
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Old 05-29-2013, 11:53 AM   #10
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Originally Posted by JWoj3540 View Post
I've considered this, but as soon as I get LTs I know I am going to want to get a dyno tune to get the most out of them and I am not in a hurry to void my warranty so I'm putting it off for a year. In the mean time, I want a better exhaust sound so it made sense to me to throw on the catback first...

Makes sense... your powertrain warranty can be voided for headers even w/o a tune (unless you swap them out before taking it in for service).
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Old 05-29-2013, 01:32 PM   #11
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KOOKS cats are very good and there is no reason the think of changing them. Just be sure to get high flow cats as that system will be raspy sounding without cats.

We have an unbeatable deal going right now on the Magnaflow/Kooks package. Please feel free to call, PM or email me anytime with questions.

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Old 05-29-2013, 02:17 PM   #12
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Quote:
Originally Posted by JWoj3540 View Post
I've considered this, but as soon as I get LTs I know I am going to want to get a dyno tune to get the most out of them and I am not in a hurry to void my warranty so I'm putting it off for a year. In the mean time, I want a better exhaust sound so it made sense to me to throw on the catback first...
Understood and good point. Make sure you really like your cat back tone because, after you install headers; whatever sound you have will be a good bit louder (very subjective so it may be ok for you) and will change the tone a little. There are lots of C5 members that bought exhausts before headers; then installed headers; then sold the original exhaust because they didn't like it anymore.

Also, if you are an L99, you may experience some drone (again, subjective) before you get your LTs and tune out the AFM. I also suggest getting the cats with your headers.

I haven't heard of LTs, without a tune, voiding the powertrain warranty. If that were common, I don't think that Kooks would have spent all the R&D developing the "green cats" that pass emissions. I realize this is different than warranty but, I would think they did some research on that too as they were deciding to do this (just my opinion of course).

Since you plan on getting LTs within a year, I don't recommend the Solo HFCs.
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Old 05-29-2013, 04:57 PM   #13
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Just an FYI i have this catback and to be blunt. Get the headers and HF cats then just add a resonated x pipe and chop off your mufflers. I'd be pissed if i had paid full price for the Magnaflow. I got it dirt cheap so whatever. That said it's deeper and very loud but also quite raspy with the addition of headers.
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Old 05-29-2013, 05:27 PM   #14
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1 7/8" headers and magnaflow 16483 sounds absolutely amazing. I listened to cavermans car one time and was hooked and ordered it for my car.
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Old 05-29-2013, 07:32 PM   #15
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1 7/8" headers and magnaflow 16483 sounds absolutely amazing. I listened to cavermans car one time and was hooked and ordered it for my car.
Can't wait
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Old 05-29-2013, 07:33 PM   #16
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Just an FYI i have this catback and to be blunt. Get the headers and HF cats then just add a resonated x pipe and chop off your mufflers. I'd be pissed if i had paid full price for the Magnaflow. I got it dirt cheap so whatever. That said it's deeper and very loud but also quite raspy with the addition of headers.
This is actually a good point and something to consider…thanks
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Old 05-29-2013, 10:43 PM   #17
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Just an FYI i have this catback and to be blunt. Get the headers and HF cats then just add a resonated x pipe and chop off your mufflers. I'd be pissed if i had paid full price for the Magnaflow. I got it dirt cheap so whatever. That said it's deeper and very loud but also quite raspy with the addition of headers.
Raspy??? Never ever heard any kind of raspy sound out of mine.

From your description it sounds like you are describing the Magnaflow 2.5" Comp system. The 3" (16483) is a totally different setup that has the Tru-X x-pipe along with a set of mufflers.
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Old 05-29-2013, 11:05 PM   #18
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Raspy??? Never ever heard any kind of raspy sound out of mine.

From your description it sounds like you are describing the Magnaflow 2.5" Comp system. The 3" (16483) is a totally different setup that has the Tru-X x-pipe along with a set of mufflers.
I have the 3" comp mated to SW 2" LT's. Really raspy. A buddy of mine Drago77 has the 2 1/2" Also mated to SW headers and his is raspy too. However, it should be noted that we both currently run cat delete. Although it was still raspy with Stock manifolds and HF's Another buddy of mine running the SW headers dumped his Magnaflow and went to Corsa and all the rasp is gone. The only great thing is i have ZERO drone at ANY speed or RPM. Mind you, the rasp doesn't really much bother me at all. That said two people have complained about it riding in my car.



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Old 05-30-2013, 08:32 AM   #19
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Well....maybe our definitions of raspy are different. I will say that your car does seem to sound louder that what I have but that might be a difference in audio quality from the video camera. Also, I'm sure you're going to hear more from a convertible with the top down vs someone in a hard top.

Mine sounds more like this one. Although I'll also say that the top end of the revs sound better in person. Again, hard to always capture on video.

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Old 05-30-2013, 08:42 AM   #20
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Hehe. Should have been clear. The vids above are my buddies 2.5 with headers and cat delete. I have a coupe with the 3" and 2" LT's. Yours sounds similar to mine on what I could hear. Bit lesser volume but, that's probably just video. Yours also sounds pretty raspy to me lol.
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Old 07-14-2013, 08:32 AM   #21
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I have the 3" comp mated to SW 2" LT's. Really raspy. A buddy of mine Drago77 has the 2 1/2" Also mated to SW headers and his is raspy too. However, it should be noted that we both currently run cat delete. Although it was still raspy with Stock manifolds and HF's Another buddy of mine running the SW headers dumped his Magnaflow and went to Corsa and all the rasp is gone. The only great thing is i have ZERO drone at ANY speed or RPM. Mind you, the rasp doesn't really much bother me at all. That said two people have complained about it riding in my car.



Does ur friends 2.5" magnaflow w/LTs drone any ?
And from the vids that's not what I was thinking raspy is.
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Old 07-14-2013, 09:04 AM   #22
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I run Kooks 1 7/8 headers, no cats, Magnaflow Street catback. Guys at the Chevy dealership tell me its the best exhaust setup they've heard.

Not too loud, but nice and aggressive at WOT. Nice quiet cruise.
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Old 07-16-2013, 12:47 PM   #23
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I run Kooks 1 7/8 headers, no cats, Magnaflow Street catback. Guys at the Chevy dealership tell me its the best exhaust setup they've heard.

Not too loud, but nice and aggressive at WOT. Nice quiet cruise.
That is one of my favorite setups as well. Nice and civil and still aggressive when you want it to be.

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Old 07-16-2013, 01:53 PM   #24
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I have kooks 1 7/8", hf cats, and kooks street sleeper 2 1/2" cat back. I love the sound of it. Can't really hear it cruising down the road but sounds really good (to me) at wot. It has zero rasp and VERY little drone but I also added a magnalfow res x-pipe to help with this. Youtube scotts 2010 camaro there is a couple small clips of it.
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Old 07-16-2013, 02:10 PM   #25
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I have kooks 1 7/8 headers with HF cats, my exhaust is not a magna flow but I have JBA 3" comp. exhaust, it sounds so mean at idle and taking off but I will admit that in higher gears it has alil drone but in 6gears it has a lot of drone if below 2k rpm, but I almost never use 5-6gears so I really don't care for it. Bought most of my stuff from Tyler at JDP Motorsport, great people and quality product, if you need help call them
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