Kooks LT + Borla Touring = Loud - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

SS Drifter · 07-04-2010, 12:07 AM

Just installed a Borla Touring Cat back system. I've been running Kooks long tubes and stock exhaust until the resonator failed, it was rattling like a bell. The sound level with stock Cat-back was Ok during normal driving. Anyway the Borla seems too loud in the cabin, even with sound deadening installed.

Does anyone have any direct experience with sound levels between Kooks LTs/Borla Touring and Kooks and other aftermarket exhaust? I'm looking for something quieter.

This is on a 2SS L99, Vector tune, CAI cold air intake, Kooks long tubes, high flow Cats and now the Borla Touring Cat back.

IROCanSS · 07-04-2010, 12:17 AM

WOW, you must have some sensitve ears or not like loud cars. I have LTs, no cats, the tru-x and the rest factory with resonators and mine is not much louder than stock unless you get on it. I have heard several cars with LTs, no cats or high flow cats and borla and other cat backs and it isnt too loud at all...

Look into Flowmaster American Thunder... sounds great and I dont think its too loud but sound is relative to the one receiving the sound... I'll take your Borla system.

SS Drifter · 07-04-2010, 12:30 AM

The Borla Touring sounds nice but, I also need to do some business on the cell phone during long drives. Maybe I should have gone with Corsa.

If I find something else that works the Borla's will be up for sale.

mikeSS · 07-04-2010, 03:47 AM

i have corsa and its nice during low rpm driving, and it sounds great under wot... but as a kid i want LOUD... i have corsa and k&N CAI on a ls3 so its loud but i really want kooks headers

SGOS252382 · 07-04-2010, 08:33 AM

You might want to check out the Magnaflow Street catback. It has two mufflers and a resonated X pipe. It thats still too loud for you, I don't know what to say. The Magnaflow Street is as quiet as it gets as far as aftermarket catbacks.

My car with Kooks LT, high flow cats, and Magnaflow Street catback was pretty darn quiet at cruise speeds.
I've since gone catless and its noticably louder (I like it). It was a little too tame for me before.

shaner74 · 07-04-2010, 12:19 PM

SS Drifter, I have pretty much the same setup: kooks lt's, high-flow cats, CAI's CAI. I have the factory h-pipe/resonator though. Anyway the stock mufflers were way too loud for me after installing the headers so yesterday I installed the dynomax axle-back system. It sounds great. It has a nice low but raspy tone, not the "barking" sound the stock mufflers had. Inside the car i can barely hear it when I'm just cruising, but when i jump on it, it sounds fantastic.

SS Drifter · 07-05-2010, 01:48 AM

Quote:

Originally Posted by SGOS252382

You might want to check out the Magnaflow Street catback. It has two mufflers and a resonated X pipe. It thats still too loud for you, I don't know what to say. The Magnaflow Street is as quiet as it gets as far as aftermarket catbacks.

My car with Kooks LT, high flow cats, and Magnaflow Street catback was pretty darn quiet at cruise speeds.
I've since gone catless and its noticably louder (I like it). It was a little too tame for me before.

How would you compare the noise level with cats to bone stock or Kooks and stock cat back, if you tried that combo?

SS Drifter · 07-05-2010, 04:47 AM

Quote:

Originally Posted by shaner74

SS Drifter, I have pretty much the same setup: kooks lt's, high-flow cats, CAI's CAI. I have the factory h-pipe/resonator though. Anyway the stock mufflers were way too loud for me after installing the headers so yesterday I installed the dynomax axle-back system. It sounds great. It has a nice low but raspy tone, not the "barking" sound the stock mufflers had. Inside the car i canew resolnatormmn barely hear it when I'm just cruising, but when i jump on it, it sounds fantastic.

Interesting, the sound level of the factory exhaust and Kooks was acceptable to me. Although too loud the Borla does produce a cleaner note than factory cat-back and the car lost some weight without the two big washtubs in back. Maybe I just need to replace or repair the bad factory resonator and put that in front of the Borlas. If that still too loud then go with the dynomax. My only concern is the hassle of another resonator failure.

SS Drifter · 07-05-2010, 04:56 AM

The Magnaflow street catback could be an option too. Anyone in So Cal or the SF Bay that has Magnaflow street catback or the Dynomax behind Kooks and is willing to let me listen?

SGOS252382 · 07-05-2010, 07:10 AM

Quote:

Originally Posted by SS Drifter

How would you compare the noise level with cats to bone stock or Kooks and stock cat back, if you tried that combo?

I haven't tried that combo, but it should be pretty similar.
The Magnaflow street catback is real quiet all by itself (without long tubes). With long tubes I think it sounds perfect. It's aggressive sounding at WOT (wide open throttle), but it keeps the car relatively quiet on cold start ups and keeps the car quiet at cruise speeds.

SS Drifter · 07-06-2010, 01:32 PM

Talked to Borla today, they don't offer a resonator to replace the x-tubes so this system is coming off. I'll cut and weld the defective stock resonator, if that fails then it looks like a Magnaflow street catback is in the Camaro's future.

The Borla system is posted for sale.

2010 SSRS · 07-06-2010, 01:35 PM

Louder the better, love my LT's and Corsa.

Jekyll-N-Hyde · 07-06-2010, 01:41 PM

I dont understand why people think Borla , Longtubes are so loud.

I run Borla S , Longtubes and No Catts and its all in the way you drive the car.

Drone can be controled by how to work the gas pedal. Just drive it normally and when you hear drone back off the pedal enough for sound to go away but keep the car moving at the same speed.

If any of you have heard a Mustang with Flowmasters and no Cats thats louder than a borla set up on a Camaro.

WOT my car sounds like an Animal but normal driving it sounds like a Camaro with Borla nice and deep and not loud.

I listen to my radio at 16 and hear it perfectly and dont have any problems with loud drone.

Beleive it or not you can drive these cars normally and at WOT and enjoy it with Borla.

SS Drifter · 07-06-2010, 02:40 PM

Jekyll,
I don't mind the noise level when I'm getting on it. It's too loud for me when driving normally. I'm sure this system will find a good home in another Camaro.

07-04-2010, 12:07 AM	#1
SS Drifter Drives: 2010 2SS/RS L99 Join Date: Nov 2009 Location: California Posts: 588	Kooks LT + Borla Touring = Loud Just installed a Borla Touring Cat back system. I've been running Kooks long tubes and stock exhaust until the resonator failed, it was rattling like a bell. The sound level with stock Cat-back was Ok during normal driving. Anyway the Borla seems too loud in the cabin, even with sound deadening installed. Does anyone have any direct experience with sound levels between Kooks LTs/Borla Touring and Kooks and other aftermarket exhaust? I'm looking for something quieter. This is on a 2SS L99, Vector tune, CAI cold air intake, Kooks long tubes, high flow Cats and now the Borla Touring Cat back.

07-06-2010, 01:35 PM	#12
2010 SSRS Drives: 3 V8 Camaros Join Date: May 2009 Location: The Ocean State Posts: 111,187 View My Garage	Louder the better, love my LT's and Corsa. __________________ Jannetty Racing JRE Street Package

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07-04-2010, 12:17 AM	#2
IROCanSS Account Suspended Drives: 89 IROC 350 Join Date: Mar 2009 Location: Back roads, southern Ohio Posts: 12,504 View My Garage	WOW, you must have some sensitve ears or not like loud cars. I have LTs, no cats, the tru-x and the rest factory with resonators and mine is not much louder than stock unless you get on it. I have heard several cars with LTs, no cats or high flow cats and borla and other cat backs and it isnt too loud at all... Look into Flowmaster American Thunder... sounds great and I dont think its too loud but sound is relative to the one receiving the sound... I'll take your Borla system.

07-04-2010, 12:30 AM	#3
SS Drifter Drives: 2010 2SS/RS L99 Join Date: Nov 2009 Location: California Posts: 588	The Borla Touring sounds nice but, I also need to do some business on the cell phone during long drives. Maybe I should have gone with Corsa. If I find something else that works the Borla's will be up for sale.

07-04-2010, 03:47 AM	#4
mikeSS Drives: 2015 c7 Join Date: Nov 2009 Location: MI Posts: 7,462	i have corsa and its nice during low rpm driving, and it sounds great under wot... but as a kid i want LOUD... i have corsa and k&N CAI on a ls3 so its loud but i really want kooks headers

07-04-2010, 08:33 AM	#5
SGOS252382 Drives: 2010 Camaro 2SS/RS Join Date: Mar 2008 Location: S.W. Florida Posts: 6,294	You might want to check out the Magnaflow Street catback. It has two mufflers and a resonated X pipe. It thats still too loud for you, I don't know what to say. The Magnaflow Street is as quiet as it gets as far as aftermarket catbacks. My car with Kooks LT, high flow cats, and Magnaflow Street catback was pretty darn quiet at cruise speeds. I've since gone catless and its noticably louder (I like it). It was a little too tame for me before.

07-04-2010, 12:19 PM	#6
shaner74 Drives: 2010 camaro 2SS/RS Join Date: Apr 2010 Location: CT Posts: 58	SS Drifter, I have pretty much the same setup: kooks lt's, high-flow cats, CAI's CAI. I have the factory h-pipe/resonator though. Anyway the stock mufflers were way too loud for me after installing the headers so yesterday I installed the dynomax axle-back system. It sounds great. It has a nice low but raspy tone, not the "barking" sound the stock mufflers had. Inside the car i can barely hear it when I'm just cruising, but when i jump on it, it sounds fantastic.

07-05-2010, 04:56 AM	#9
SS Drifter Drives: 2010 2SS/RS L99 Join Date: Nov 2009 Location: California Posts: 588	The Magnaflow street catback could be an option too. Anyone in So Cal or the SF Bay that has Magnaflow street catback or the Dynomax behind Kooks and is willing to let me listen?

07-06-2010, 01:32 PM	#11
SS Drifter Drives: 2010 2SS/RS L99 Join Date: Nov 2009 Location: California Posts: 588	Talked to Borla today, they don't offer a resonator to replace the x-tubes so this system is coming off. I'll cut and weld the defective stock resonator, if that fails then it looks like a Magnaflow street catback is in the Camaro's future. The Borla system is posted for sale.

07-06-2010, 01:41 PM	#13
Jekyll-N-Hyde I put the FU back in FUN Drives: 1969 SS 396 , 2010 Camaro SS Join Date: Jun 2009 Location: Between Weatherford and Azle TX hway730 Posts: 2,129	I dont understand why people think Borla , Longtubes are so loud. I run Borla S , Longtubes and No Catts and its all in the way you drive the car. Drone can be controled by how to work the gas pedal. Just drive it normally and when you hear drone back off the pedal enough for sound to go away but keep the car moving at the same speed. If any of you have heard a Mustang with Flowmasters and no Cats thats louder than a borla set up on a Camaro. WOT my car sounds like an Animal but normal driving it sounds like a Camaro with Borla nice and deep and not loud. I listen to my radio at 16 and hear it perfectly and dont have any problems with loud drone. Beleive it or not you can drive these cars normally and at WOT and enjoy it with Borla.

07-06-2010, 02:40 PM	#14
SS Drifter Drives: 2010 2SS/RS L99 Join Date: Nov 2009 Location: California Posts: 588	Jekyll, I don't mind the noise level when I'm getting on it. It's too loud for me when driving normally. I'm sure this system will find a good home in another Camaro.