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

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Old 12-06-2009, 04:15 PM   #1
mtbikerinme83
 
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Borla Catback or Axelback

I've had my 2SS LS3/M6 since October and I've finally decided on which exhaust I want to go with, well, mostly decided.

After lots of reading this forum since before I got my Camaro, I know I want a Borla Type S system, but I'm not sure if I should go with the full catback or just the axleback system. This is my DD so I want to keep my GM warranty, therefor i don't plan on doing any mods that require a tune, so I'll probably just do a CAI and this exhaust. What I want to know is what would I actually gain by doing the catback instead of just the axleback (besides a lighter wallet). I want a deep muscular sound, will the x-pipe give that deeper sound? I also dont want too much annoying drone since it is my DD, which will drone less?

Thanks in advance and Camaro5 is the best.
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Old 12-06-2009, 05:11 PM   #2
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the borla catback with xpipe is the way to go it sounds great with a nice deep tone and improves hp & torque but it has drone.
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Old 12-06-2009, 05:14 PM   #3
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both probably sound similar...you'll gain more hp/tq by doing the full cat-back.
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Old 12-06-2009, 06:12 PM   #4
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I just got my car back from Borla. Got an axle back exhaust, sounds great!! Does not create alot of noise when cruising. Hope to post a video tommorrow if its not raining.
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Old 12-06-2009, 09:32 PM   #5
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The catback sounds better and does not require hacking up the stock exhaust.
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Old 12-06-2009, 09:45 PM   #6
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The catback sounds better and does not require hacking up the stock exhaust.
ahh, so with the catback i could go back to stock (if i end up with issues trying to get an inspection sticker. They're cracking down on loud exhausts here in Maine.)

Klatterblast, you say it drones, how bad? Just a little, or alot?
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Old 12-06-2009, 10:23 PM   #7
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ahh, so with the catback i could go back to stock (if i end up with issues trying to get an inspection sticker. They're cracking down on loud exhausts here in Maine.)

Klatterblast, you say it drones, how bad? Just a little, or alot?
I have the Borla Stinger catback on my M6 (pic in avatar), and it does not drone. It's actually very quiet on the highway.
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Old 12-07-2009, 08:30 AM   #8
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ahh, so with the catback i could go back to stock (if i end up with issues trying to get an inspection sticker. They're cracking down on loud exhausts here in Maine.)
yes...the old system un-bolts....and the new ones go right on. Easy swap, no cutting.

PLUS, you're replacing the "hi-flow" factory pipes...look at these hi performance crimps...



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Old 12-07-2009, 11:13 AM   #9
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yes...the old system un-bolts....and the new ones go right on. Easy swap, no cutting.

PLUS, you're replacing the "hi-flow" factory pipes...look at these hi performance crimps...



Wow thats sad. almost embarrasing
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Old 12-07-2009, 11:19 AM   #10
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If I have Corsa Cat back but want to change the sound. Will the Borla axle back bolt (clamp) right on the Corsa system? Does anyone know?
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Old 12-07-2009, 11:27 AM   #11
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Originally Posted by mtbikerinme83 View Post
ahh, so with the catback i could go back to stock (if i end up with issues trying to get an inspection sticker. They're cracking down on loud exhausts here in Maine.)

Klatterblast, you say it drones, how bad? Just a little, or alot?
i have the L99 A6 so drone is more noticable when D.O.D. displacement on demand kicks in but if i run in 5th gear at say 70 mph it brings the rpm's up to 2000 and drone stops. m6 trans would not drone as much and i dont think you will have a problem with it being too loud its a mellow deep tone.
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Old 12-07-2009, 11:42 AM   #12
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Catback
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Old 12-07-2009, 12:41 PM   #13
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If your aren't going with headers in the future I would go catback as you will see greater gains with the x pipe. The sound is similar between the two, iv heard the catback has a "smoother" sound but that may just be personal pref. I went with the axelbacks for financial reasons and I plan on doing headers w/ xpipe down the road so anything I didn't gain with the AB's I would pick up with headers.
That said, after seeing those chokepoints, headers just moved up the list..
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Old 12-07-2009, 12:42 PM   #14
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the borla catback with xpipe is the way to go it sounds great with a nice deep tone and improves hp & torque but it has drone.
Getting rid of the front muffler makes the biggest difference. Sound, weight and performance. The interior resonance is pretty minimal. Every one has a sense of sound though. Some guys want it louder inside while others think our touring kit is too loud. It is tough to make every one happy
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Old 12-07-2009, 01:08 PM   #15
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Originally Posted by chris@borla View Post
Getting rid of the front muffler makes the biggest difference. Sound, weight and performance. The interior resonance is pretty minimal. Every one has a sense of sound though. Some guys want it louder inside while others think our touring kit is too loud. It is tough to make every one happy
Just out of curiosity, what are you considering the front muffler?

After the factory cats there is the H-Pipe. On the LS3 it's just a normal looking but small H-Pipe. On the L99 it's a big monster of a looking muffler and from my understanding it's used to quiet down the sound of the AFM.

Then there is the resonators after that.

Then there is the factory mufflers at the back of the exhaust.

So when you say the "front muffler" are you refering to the H-Pipe or the Resonator or both?

Just curious because your engineers have a lot more experience than the average joe dealing with the exhaust.
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Old 12-07-2009, 02:05 PM   #16
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Headers and Catbacks

Quote:
Originally Posted by chris@borla View Post
Getting rid of the front muffler makes the biggest difference. Sound, weight and performance. The interior resonance is pretty minimal. Every one has a sense of sound though. Some guys want it louder inside while others think our touring kit is too loud. It is tough to make every one happy
Chris,

I'm looking to buy Borla catbacks#140280 and headers. Want kind of package deal can you give me if any. I know better than going direct with the main company because the price is always high, but what the hell. A Man got to try, I've been shopping for the best price for my money.

Also if I decide to just go Catbacks, I can still add headers later to the catback system correct? Thanks
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Old 12-07-2009, 02:26 PM   #17
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Quote:
Originally Posted by chris@borla View Post
Getting rid of the front muffler makes the biggest difference. Sound, weight and performance. The interior resonance is pretty minimal. Every one has a sense of sound though. Some guys want it louder inside while others think our touring kit is too loud. It is tough to make every one happy
dont get me wrong i have the borla cat back and i love it but he asked about drone i personally like it, i was just showing other options but i think he wants borla anyway its top quality i even mirror pollished mine from the axle back!!
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Old 12-07-2009, 02:38 PM   #18
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Just out of curiosity, what are you considering the front muffler?

After the factory cats there is the H-Pipe. On the LS3 it's just a normal looking but small H-Pipe. On the L99 it's a big monster of a looking muffler and from my understanding it's used to quiet down the sound of the AFM.

Then there is the resonators after that.

Then there is the factory mufflers at the back of the exhaust.

So when you say the "front muffler" are you refering to the H-Pipe or the Resonator or both?

Just curious because your engineers have a lot more experience than the average joe dealing with the exhaust.
The L99 has the ginormous mid/front muffler. That is what I was referring to.
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Old 12-07-2009, 09:16 PM   #19
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is the L99 the V6?
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Old 12-07-2009, 09:33 PM   #20
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is the L99 the V6?
Nope....


L99 is the 400 hp V8 that comes in the SS w/automatics.

LS3 is the 426 hp V8 that comes in the SS w/manual trans.
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Old 12-07-2009, 09:50 PM   #21
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I have the axle back and the sound is the same as a catback that I've also heard. Neither will give you extra horsepower, save the money and even install it yourself in about an hour.
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Old 12-08-2009, 06:51 PM   #22
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Thanks for the replies guys. I plan on installing it myself, I always do all my own automotive work since I dont trust anyone else to do it right. Exhaust is easy, did it on my 98 T/A WS6.

Part of me wants to save the money and do just the axleback, but at the same time, if I do the catback, it will get rid of the resonators, which should help give a little more sound. Choices choices....
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Old 12-08-2009, 06:56 PM   #23
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Chris @ Borla - Do you know the answer to my question???
I installed Corsa Cat back to my LS3. Could I buy Borla axle backs and clamp right on with no cutting/welding?
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Old 12-08-2009, 06:59 PM   #24
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Listen to this
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