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Sequoia General discussion forum for the second generation 2008 and later Toyota Sequoia.

This is a discussion thread titled "Corsa to offer exhaust for 2008 Sequoia", within the Sequoia forum, part of the SUV Forums category.


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  #1 (permalink)  
Old 04-29-2008, 04:21 PM
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Default Corsa to offer exhaust for 2008 Sequoia

I put a call in to Corsa yesterday to find that they have an 08 Sequoia in shop and they're almost done evaluating it. They should be offering a system for the Sequoia shortly!! The hp/tq. numbers for the 5.7L Tundra are impressive.
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Old 04-30-2008, 01:34 PM
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Default Re: Corsa to offer exhaust for 2008 Sequoia

ohh, sign me up
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Old 04-30-2008, 01:48 PM
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Default Re: Corsa to offer exhaust for 2008 Sequoia

Quote:
Originally Posted by 70454 View Post
I put a call in to Corsa yesterday to find that they have an 08 Sequoia in shop and they're almost done evaluating it. They should be offering a system for the Sequoia shortly!! The hp/tq. numbers for the 5.7L Tundra are impressive.
What are the numbers for the Tundra?
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Old 04-30-2008, 01:54 PM
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Default Re: Corsa to offer exhaust for 2008 Sequoia

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Originally Posted by Heatwave3 View Post
What are the numbers for the Tundra?
I'm sure their aren't any appreciable gains to be had via bolt ons on the Toyo 5.7L, except if you go down the route of forced induction. Guys on the Tundra forum have done things like headers, exhaust etc., but none have really demonstrated meaningful gains via dyno runs or time slips. Most of the feedback is via the "butt dynos".

Keeping in mind that the motor is configured to run on 87 octane, I believe the Toyo 5.7 V8 is in a fairly high state of tune already. Its power nos are close to the 6.2L GM motor (half a liter more displacement) that runs on premium gas.
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Old 05-01-2008, 10:50 AM
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Default Re: Corsa to offer exhaust for 2008 Sequoia

Quote:
Originally Posted by VernSchillinger View Post
I'm sure their aren't any appreciable gains to be had via bolt ons on the Toyo 5.7L, except if you go down the route of forced induction. Guys on the Tundra forum have done things like headers, exhaust etc., but none have really demonstrated meaningful gains via dyno runs or time slips. Most of the feedback is via the "butt dynos".

Keeping in mind that the motor is configured to run on 87 octane, I believe the Toyo 5.7 V8 is in a fairly high state of tune already. Its power nos are close to the 6.2L GM motor (half a liter more displacement) that runs on premium gas.
I'm not too sure about this. I've been using Corsa products for quite a while. Their system brings 21hp and 30 lb-ft to the table on a stock Tundra. You can assume similar numbers from the Sequoia.

Here's the link...

TUNDRA

Enjoy the #'s
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Old 05-01-2008, 11:05 AM
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Default Re: Corsa to offer exhaust for 2008 Sequoia

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Originally Posted by 70454 View Post
I'm not too sure about this. I've been using Corsa products for quite a while. Their system brings 21hp and 30 lb-ft to the table on a stock Tundra. You can assume similar numbers from the Sequoia.

Here's the link...

TUNDRA

Enjoy the #'s

As just about all 'performance' manufacturers, you must read where nearly all say '...up to...'. When they quote numbers like you did, many people bleep out the 'up to' part and assume they will get those full numbers. In the vast majority of cases (as learned from many vehicles and many other forums) people RARELY get the numbers quoted since they are a 'best case upper estimate' to begin with.

Last edited by K-9 Hauler; 05-01-2008 at 11:10 AM.
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Old 05-01-2008, 11:10 AM
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Default Re: Corsa to offer exhaust for 2008 Sequoia

Quote:
Originally Posted by K-9 Hauler View Post
As just about all 'performance' manufacturers, you must read where nearly all say '...up to...'. When they quote numbers like you did, many people bleep out the 'up to' part and assume they will get those full numbers. In the vast majority of cases (as learned from many vehicles and many other forums) people RARELY get the numbers qutoed since they are a 'best case upper estimate' to begin with.
These are max numbers posted. Take a look at their site. They even have a dyno sheet posted on their website from the Tundra.
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Old 05-01-2008, 11:18 AM
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Default Re: Corsa to offer exhaust for 2008 Sequoia

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Originally Posted by 70454 View Post
These are max numbers posted. Take a look at their site. They even have a dyno sheet posted on their website from the Tundra.

A single dyno sheet is fine, but of limited help. That shows the results that day, on that particular truck, running that particular tank of gas, with unknown other tweaks, etc., etc., etc. Even the type of dyno used can produce different results.

Can those numbers be achieved? Yes...possibly. I would simply caution people getting all hyped that this might not always be the case...remember those 'Tornado' things and their promises? Does anyone actually know someone who got what they promised with that thing? A friend and I, a few years back, tried one for kicks on a '97 Ram with NO results, power wise or mileage wise.

More power to those who plan on the purchase, just pointing out these may be lofty aspirations.
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Old 05-01-2008, 11:47 AM
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Default Re: Corsa to offer exhaust for 2008 Sequoia

Quote:
Originally Posted by K-9 Hauler View Post
A single dyno sheet is fine, but of limited help. That shows the results that day, on that particular truck, running that particular tank of gas, with unknown other tweaks, etc., etc., etc. Even the type of dyno used can produce different results.

Can those numbers be achieved? Yes...possibly. I would simply caution people getting all hyped that this might not always be the case...remember those 'Tornado' things and their promises? Does anyone actually know someone who got what they promised with that thing? A friend and I, a few years back, tried one for kicks on a '97 Ram with NO results, power wise or mileage wise.

More power to those who plan on the purchase, just pointing out these may be lofty aspirations.
The dyno sheet was based on three runs. I'm on my third Corsa exhaust and they're a reputable company. Corsa is not selling $2.00 Tornado things on tv at 3am. You're going to pay big $$ for an exhaust from them.

I have one on my 2005 C6 Corvette. Notice that they don't make any hp claims for a 400 hp engine. I would think that they could exgaggerate some hp/tq claim for a $45-75k sports car. In fact, they dont have any dyno sheets for the C6 since they only claim increased flow, no gains. On the corvetteforum.com it is well known that the Corsa set-up only provides gains when the front end is opened up, and then you're only looking at a few horses and quite a few bucks. I purchased mine for the more aggressive sound. I don't brag about a single horse or SOP claim from it.

It simply looks like Toyota left some scraps on the table. There are gains to be brought from this set-up or Corsa would not make the claim.
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Old 05-01-2008, 11:51 AM
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Default Re: Corsa to offer exhaust for 2008 Sequoia

Quote:
Originally Posted by 70454 View Post
The dyno sheet was based on three runs. I'm on my third Corsa exhaust and they're a reputable company. Corsa is not selling $2.00 Tornado things on tv at 3am. You're going to pay big $$ for an exhaust from them.

I have one on my 2005 C6 Corvette. Notice that they don't make any hp claims for a 400 hp engine. I would think that they could exgaggerate some hp/tq claim for a $45-75k sports car. In fact, they dont have any dyno sheets for the C6 since they only claim increased flow, no gains. On the corvetteforum.com it is well known that the Corsa set-up only provides gains when the front end is opened up, and then you're only looking at a few horses and quite a few bucks. I purchased mine for the more aggressive sound. I don't brag about a single horse or SOP claim from it.

It simply looks like Toyota left some scraps on the table. There are gains to be brought from this set-up or Corsa would not make the claim.
Your answer actually helped make my point. Three runs with the same truck does not a statistical sample make.

I never said anything about the company 'per se', just cautioned other readers about glomming onto those numbers (and other people touting performance gains) as gospel.

For those who buy it, ENJOY. For those thinking about it, make the decision with knowledge and not knee jerk reactions to numbers.

'nuff said.


Last edited by K-9 Hauler; 05-01-2008 at 11:56 AM.
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Old 05-01-2008, 12:05 PM
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Default Re: Corsa to offer exhaust for 2008 Sequoia

I just spoke with Jeff at Corsa.

The performance testing is done by a certified third party, Back Street Performance.
He also mentioned that the C6 Vette does pull a performance gain, 10-13hp peak, but this is not plastered all over their website. He mentioned that the Corvette is already performance tuned and the truck manufacturers use a more restrictive system. The simple exhaust swap on the Toyota produced these gains, as proven by their third party evaluation. Take it for what it is.

BTW...the Sequoia system is a few weeks away. They tried using the Tundra setup but had acoustical problems with the cabin, since the Sequoia and Tundra cabins are shaped differently. Corsa is particular with producing systems without drone or resonance unlike other manufacturers like Borla, B&B and Flowmaster.
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Old 05-01-2008, 12:27 PM
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Default Re: Corsa to offer exhaust for 2008 Sequoia

Keep in mind also that more than the absolute HP & TQ gains is where in the RPM band do the gains occur and what is the trade off associated with the gains. Most flow (intake or exhaust) related gains tend to occur on the top end of the RPM band (where people don't tend to spend a whole lot of time) and often result in some loss of torque on the low end of the band, where its more important.

Anybody who can definitively say they can consistently feel a 10-13hp PEAK gain on a 400hp vehicle, ought to put in an application as a test driver for an F1 program. A lot of the gains that people talk about are the perceived gains from things like change in the sound and volume of exhaust note.

All of the above being said, there are instances where large displacement vehicles with poor heads or other aspects of airflow management can see gains from certain bolt ons. Case in point, some of the lesser tuned Chevy and Ford small block V8s.

Getting back to my earlier point, I don't thinks there are a lot of leftover "scraps" to be had on this engine.....at least not ones that can make an appreciable difference.

I'm not trying the diss the product refenced, by any means; just saying that the dollars are going to be spent for the change in exhaust note and thrill associated with the same, as opposed to an meaningful gain in performance.
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Old 05-01-2008, 01:02 PM
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Default Re: Corsa to offer exhaust for 2008 Sequoia

Quote:
Originally Posted by VernSchillinger View Post
Keep in mind also that more than the absolute HP & TQ gains is where in the RPM band do the gains occur and what is the trade off associated with the gains. Most flow (intake or exhaust) related gains tend to occur on the top end of the RPM band (where people don't tend to spend a whole lot of time) and often result in some loss of torque on the low end of the band, where its more important.

Anybody who can definitively say they can consistently feel a 10-13hp PEAK gain on a 400hp vehicle, ought to put in an application as a test driver for an F1 program. A lot of the gains that people talk about are the perceived gains from things like change in the sound and volume of exhaust note.

All of the above being said, there are instances where large displacement vehicles with poor heads or other aspects of airflow management can see gains from certain bolt ons. Case in point, some of the lesser tuned Chevy and Ford small block V8s.

Getting back to my earlier point, I don't thinks there are a lot of leftover "scraps" to be had on this engine.....at least not ones that can make an appreciable difference.

I'm not trying the diss the product refenced, by any means; just saying that the dollars are going to be spent for the change in exhaust note and thrill associated with the same, as opposed to an meaningful gain in performance.
Vern:

No disrespect here, but I never claimed or claimed to feel any SOP gains from the Corsa exhaust on the C6. Again, I purchased the C6 setup for change of note, not perceived performance gains. If they're there, as according to Corsa and Corvette tuners, then that's just icing.

Also....did you look at the dyno on the Tundra. I see a large split in the graph at a quite useable range of 3500-4500rpm. Unless your driving like a granny and let the beast shift before it hits 3500rpm, this is a great place for gains. Take another quick look. It appears the bulk of the gains from this exhaust are in the useable range.
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Old 05-01-2008, 06:33 PM
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Default Re: Corsa to offer exhaust for 2008 Sequoia

Quote:
Originally Posted by 70454 View Post
Vern:

No disrespect here, but I never claimed or claimed to feel any SOP gains from the Corsa exhaust on the C6. Again, I purchased the C6 setup for change of note, not perceived performance gains. If they're there, as according to Corsa and Corvette tuners, then that's just icing.

Also....did you look at the dyno on the Tundra. I see a large split in the graph at a quite useable range of 3500-4500rpm. Unless your driving like a granny and let the beast shift before it hits 3500rpm, this is a great place for gains. Take another quick look. It appears the bulk of the gains from this exhaust are in the useable range.
I respect your perspective. I've said my piece on this topic, so nothing more to add to the thread. At the end of the day, people will spend their dollars in correlation to their perceived benefit.
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Old 05-06-2008, 02:36 PM
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Default Re: Corsa to offer exhaust for 2008 Sequoia

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Originally Posted by VernSchillinger View Post
I respect your perspective. I've said my piece on this topic, so nothing more to add to the thread. At the end of the day, people will spend their dollars in correlation to their perceived benefit.

Great....I guess the perceived benefit from the dyno chart is also gained from the unrealistic rpm range too.
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