Borla VS Corsa
Thread Starter
5th Gear
Joined: Oct 2006
Posts: 5
Likes: 0
From: Melbourne Florida
Borla VS Corsa
I'm trying to decide between Borla sport and Corsa sport exhaust. I want a more aggressive sound but not to loud during cruise. Are the touring exhausts to quiet? What's better???
Burning Brakes
Joined: Jun 2006
Posts: 912
Likes: 36
From: Scottsdale Arizona
If you want an exhaust that is heavier than stock, the big cans are plainly visible in back, and sounds like stock at idle, go with Corsa Sport. If you want muscle car sound and the opposite of everything above, go with Borla Stinger.
Advanced
Joined: Oct 2004
Posts: 70
Likes: 0
From: Atlanta area GA
Sound and weight are a factor for me. At some point I'm going to want to upgrade my stock exhaust. But that's just it, it's going to have to be an upgrade in performance for me to do it and it's going to have to be a weight savings over stock as well. AND it's got to sound good.
Last edited by justthedesignguy; Jan 24, 2007 at 01:36 PM.
Le Mans Master
Joined: Sep 2004
Posts: 7,027
Likes: 6
From: Shiloh Ohio
I have heard that most aftermarket exhausts for the C6 are heavier than stock, I read it on the forum here a couple days ago. I know my corsa sport is heavier, I forget how much.
I really don't think changing a cat back for performance reasons unless you go with a flow through resonator type like a magnapack or an off road exhaust is good bang for the buck reference HP. Only reason to switch in my book is sound.
The comment about bass and treble is a very good analogy between borla and corsa. I am a corsa guy myself, I love that race car sound at WOT. Another caveat about corsa they tend to pop on deceleration, not sure about borla, I like that also though, but I know some don't
I really don't think changing a cat back for performance reasons unless you go with a flow through resonator type like a magnapack or an off road exhaust is good bang for the buck reference HP. Only reason to switch in my book is sound.
The comment about bass and treble is a very good analogy between borla and corsa. I am a corsa guy myself, I love that race car sound at WOT. Another caveat about corsa they tend to pop on deceleration, not sure about borla, I like that also though, but I know some don't
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Team Owner
Joined: Jan 2007
Posts: 22,136
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From: In the woods looking for my thrown putter.
St. Jude Donor '13, '15
I was informed by Paul at Corsa today that the corsa sport system for the C6 A6 (14167) weighs 30 pounds more than the stock system. The regular one (14169) weighs 14 pounds more than the stock system.
Le Mans Master
Joined: Sep 2004
Posts: 7,027
Likes: 6
From: Shiloh Ohio
Did you ask him if he was counting the stock Hpipe in the equation with the 14167? Because you do lose that also on the install with the A6 system.
Team Owner
Joined: Jan 2007
Posts: 22,136
Likes: 23
From: In the woods looking for my thrown putter.
St. Jude Donor '13, '15
No, the 14167 comes with a seperate h-pipe that has two resonators built in. This alone weighs 16 pounds more than the stock h pipe. The 14169 uses the sock H-pipe and that system weighs 14 pounds more than the stock setup. So the entire 14167 weighs 30 pounds more than the stock system it replaces. He also pointed out that 100 pounds difference in weight would only make 1/10th a second in the quater......so this should only make .03 sec. which is nothing. Of course you could be adding a few horses with the system as well......so probably still get better performance even with the weight. Here is a copy of the email...read from the bottom first.
That would be correct Jarod.
Please let me know if you have further questions.
Paul Santiago
Automotive Tech/Sales Rep.
CORSA Performance Exhausts
toll free: 800-486-0999 ext. 135
direct dial: 440-260-3135
fax: 440-891-1868
www.corsaperf.com
So basically the 14167 (as a system) weighs approx. 30 pounds over the entire stock system?
Last edited by Silverspeed; Jan 25, 2007 at 05:20 PM.
Advanced
Joined: Oct 2004
Posts: 70
Likes: 0
From: Atlanta area GA
Surely what I'm not hearing is that the only good 2 of the top exhausts for the C6 is for sound and cool effects... That would be sad.
I realize that it's usually a combination of things like CAI, headers, high-flow cat, and cat-back exhaust all combined make a performance difference. But I've got to believe that the 2 top exhaust do more than just sound better and add weight...
If that's all, then there's really no incentive. Sure, sound is part of the package but not if there is no performance increase (even if you add a CAI?) and a weight addition to top it off.
30lbs is a lot!
Anyone know what the Borla is over stock or IF it is?
I realize that it's usually a combination of things like CAI, headers, high-flow cat, and cat-back exhaust all combined make a performance difference. But I've got to believe that the 2 top exhaust do more than just sound better and add weight...
If that's all, then there's really no incentive. Sure, sound is part of the package but not if there is no performance increase (even if you add a CAI?) and a weight addition to top it off.
30lbs is a lot!
Anyone know what the Borla is over stock or IF it is?
Le Mans Master
Joined: Sep 2004
Posts: 7,027
Likes: 6
From: Shiloh Ohio
No, the 14167 comes with a seperate h-pipe that has two resonators built in. This alone weighs 16 pounds more than the stock h pipe. The 14169 uses the sock H-pipe and that system weighs 14 pounds more than the stock setup. So the entire 14167 weighs 30 pounds more than the stock system it replaces. He also pointed out that 100 pounds difference in weight would only make 1/10th a second in the quater......so this should only make .03 sec. which is nothing. Of course you could be adding a few horses with the system as well......so probably still get better performance even with the weight. Here is a copy of the email...read from the bottom first.
That would be correct Jarod.
Please let me know if you have further questions.
Paul Santiago
Automotive Tech/Sales Rep.
CORSA Performance Exhausts
toll free: 800-486-0999 ext. 135
direct dial: 440-260-3135
fax: 440-891-1868
www.corsaperf.com
So basically the 14167 (as a system) weighs approx. 30 pounds over the entire stock system?
That would be correct Jarod.
Please let me know if you have further questions.
Paul Santiago
Automotive Tech/Sales Rep.
CORSA Performance Exhausts
toll free: 800-486-0999 ext. 135
direct dial: 440-260-3135
fax: 440-891-1868
www.corsaperf.com
So basically the 14167 (as a system) weighs approx. 30 pounds over the entire stock system?
As far as the other post about sound only. I am sure the Corsa and Borla flow a little better than stock. In the C5 days we usually figured 5 HP from an exhaust was about average. Now 5 HP on my corsa with the addition of the 14 lbs is pretty much a write off.
That is why I am saying in general, a cat back is for sound, not performance. Especially if you figure how much you are paying for that 5 HP.
For me the rumble is worth it.
Team Owner
Joined: Jan 2007
Posts: 22,136
Likes: 23
From: In the woods looking for my thrown putter.
St. Jude Donor '13, '15
Corsa says both 14167 and 14169 yield the same gains....11-13 rwhp and 10-12 rwtq. I have yet to see this verified on anyone's dyno but their own. Most of the dyno's I've seen with ALL cat back's only yield a few hp at best. CAI's in my opinion are kind of hard to judge by a dyno, because alot more is happening with the air at 60-160mph that when a car is just sitting still on a dyno. That being said.......I would think that a cat back and a CAI should have SOME effect on Qtr times....if only a tenth or 2. But you can hardly feel that in the SOP. Just my opinion........
Team Owner
Joined: Jan 2007
Posts: 22,136
Likes: 23
From: In the woods looking for my thrown putter.
St. Jude Donor '13, '15
The bottom is the question I asked him the top is his response........there was more to it than that.....just didnt want to post the whole thing.....
That would be correct Jarod.
Please let me know if you have further questions.
Paul Santiago
Automotive Tech/Sales Rep.
CORSA Performance Exhausts
toll free: 800-486-0999 ext. 135
direct dial: 440-260-3135
fax: 440-891-1868
www.corsaperf.com
So basically the 14167 (as a system) weighs approx. 30 pounds over the entire stock system?
That would be correct Jarod.
Please let me know if you have further questions.
Paul Santiago
Automotive Tech/Sales Rep.
CORSA Performance Exhausts
toll free: 800-486-0999 ext. 135
direct dial: 440-260-3135
fax: 440-891-1868
www.corsaperf.com
So basically the 14167 (as a system) weighs approx. 30 pounds over the entire stock system?
Le Mans Master
Joined: Sep 2004
Posts: 7,027
Likes: 6
From: Shiloh Ohio
I gained half a second with my C5 with a vararam CAI, magnapack catback, and a hypertech handheld tuner. 3 tenths was the vararam because I did that only on a previous C5. I also did my mods separately on the C5. I bracket drag race and keep good DA info, so I know a gain when I see one.
But the magnapack is a different sort of cat back. It is almost like a straight pipe and very light. It just has a couple of straight through resonators on it, no muffler, and for the C5 it went over the axle straight out the back instead of making all the bends to the outside of the car and back.
If you don't mind loud check out the magnapack for the C6. I bet that would give you ten HP.
It is hard to get dyno numbers on just a cat back. Most guys don't tune or dyno after just a cat back. And many like I do all their mods at once to save money.
But the magnapack is a different sort of cat back. It is almost like a straight pipe and very light. It just has a couple of straight through resonators on it, no muffler, and for the C5 it went over the axle straight out the back instead of making all the bends to the outside of the car and back.
If you don't mind loud check out the magnapack for the C6. I bet that would give you ten HP.
It is hard to get dyno numbers on just a cat back. Most guys don't tune or dyno after just a cat back. And many like I do all their mods at once to save money.
Burning Brakes
Joined: Jun 2006
Posts: 912
Likes: 36
From: Scottsdale Arizona
The Borla Stinger weighs substantially less than stock (I tried Corsa Sport first on my '07 MN6, then switched to Borla) Don't know the exact weight, but the shipping weight on the Corsa was 69 lbs and the Borla was 43 lbs (both were axle back)
Surely what I'm not hearing is that the only good 2 of the top exhausts for the C6 is for sound and cool effects... That would be sad.
I realize that it's usually a combination of things like CAI, headers, high-flow cat, and cat-back exhaust all combined make a performance difference. But I've got to believe that the 2 top exhaust do more than just sound better and add weight...
If that's all, then there's really no incentive. Sure, sound is part of the package but not if there is no performance increase (even if you add a CAI?) and a weight addition to top it off.
30lbs is a lot!
Anyone know what the Borla is over stock or IF it is?
I realize that it's usually a combination of things like CAI, headers, high-flow cat, and cat-back exhaust all combined make a performance difference. But I've got to believe that the 2 top exhaust do more than just sound better and add weight...
If that's all, then there's really no incentive. Sure, sound is part of the package but not if there is no performance increase (even if you add a CAI?) and a weight addition to top it off.
30lbs is a lot!
Anyone know what the Borla is over stock or IF it is?
Team Owner
Joined: Jan 2007
Posts: 22,136
Likes: 23
From: In the woods looking for my thrown putter.
St. Jude Donor '13, '15
I gained half a second with my C5 with a vararam CAI, magnapack catback, and a hypertech handheld tuner. 3 tenths was the vararam because I did that only on a previous C5. I also did my mods separately on the C5. numbers on just a cat back. Most guys don't tune or dyno after just a cat back. And many like I do all their mods at once to save money.
I have nothing to base this on.....just reading the forum.......but I've heard that the Cai's are much more effective on C5's than C6's. Something about the design. Like I said......nothing to base this on.....just from reading posts here, which I do alot.
Le Mans Master
Joined: Sep 2004
Posts: 7,027
Likes: 6
From: Shiloh Ohio
Looking at the stock intakes and filters the C6 looks like it would flow better to me. But there are guys on here I respect that are getting great results with the vararam. I am going about .9 faster with my current mods than I did stock. I have LG's high flow cats xpipe to corsa sports, vararam, spacer, dyno tune, 160 Tstat and 18 inch DR's on modified OEM wheels. Some of it, probably a .2-.3 was from weather.