Cadillac CTS-V Series Forum - 2009+ Forum specifically for discussions regarding the fastest v8 production sedan in the world - the 2009 Cadillac CTS-V with 556 horsepower.
 | Cadillac Forums: A.R. Headers Pics And Dyno Results!!! 
03-12-09, 09:37 PM
| | Cadillac Owners Member Cadillac(s): 2009 CTS V | | | | | Re: A.R. Headers Pics And Dyno Results!!! My car has an automatic and this will be the test mule because i beat the shit out of my car's. I'll keep you posted. | 
03-13-09, 06:53 AM
| | Cadillac Owners Connoisseur Cadillac(s): Kooks,MOMO seats,C5 hubs,3489# | | Join Date: Jun 2007 Location: Ashland, Ohio | | Right on! Where's heavyc when you need him? Looking Camaros now...
Norm Quote:
Originally Posted by Richie18 It's all about torque, not HP. | | 
03-13-09, 09:07 AM
| | Cadillac Owners Member Cadillac(s): Cadillac | | | | | Re: A.R. Headers Pics And Dyno Results!!! Quote:
Originally Posted by Am. Racing Headers RapidRod, What you think are secondary cats are actually resonators.
Nick | They are, in fact, catalysts. CTSV uses a 4 cat system. I'll let you decide what CARB and EPA think of eliminating them.
Last edited by Mikels; 03-13-09 at 09:35 AM.
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03-13-09, 12:42 PM
| | Cadillac Owners Member Cadillac(s): none | | Join Date: Feb 2009 Age: 44 | | | Re: A.R. Headers Pics And Dyno Results!!! Mike, They are called bottle resonators, at least that's what the engineer that designed the system calls them. Believe it or not I just got off the phone with him. The V only has 2 cats. | 
03-13-09, 01:58 PM
| | Tuning, Racing, Makin parts for Caddys. Cadillac(s): 2009 v, 2005 v, SRX, STS v, GTM supercar with Cad parts. | | Join Date: Jan 2009 Location: warsaw indiana | | | Re: A.R. Headers Pics And Dyno Results!!! Am racing is correct. They are a low restriction bottle resonator set. The same as used on the 2009 dodge challenger to increase throaty ness with the stock pos exhaust.
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03-13-09, 02:13 PM
| | Cadillac Owners Connoisseur Cadillac(s): Kooks,MOMO seats,C5 hubs,3489# | | Join Date: Jun 2007 Location: Ashland, Ohio | | This wasn't discussed at you SAE convention?!
Norm Quote:
Originally Posted by Mikels They are, in fact, catalysts. CTSV uses a 4 cat system. I'll let you decide what CARB and EPA think of eliminating them. | | 
03-13-09, 02:16 PM
| | Cadillac Owners Member Cadillac(s): Cadillac | | | | | Re: A.R. Headers Pics And Dyno Results!!! Quote:
Originally Posted by Am. Racing Headers Mike, They are called bottle resonators, at least that's what the engineer that designed the system calls them. Believe it or not I just got off the phone with him. The V only has 2 cats. | I am telling you this as a favor - the V is a 4 cat system (trust me on this) and you are advertising an emission control defeat system for sale - you don't want to go there. (remember what happened to O2 simulators?)
Partial volume monitoring utilizes multiple catalysts - CTSV does it with 2 catalysts per bank. Some Ford products do it with 2 bricks in same housing (2nd O2 sensor in middle of cat housing).
Just because it is not monitored does not mean it is not a catalyst.
They were not added for sound or anything else - they are there as part of emission control system for the V | 
03-13-09, 07:26 PM
| | Cadillac Owners Member Cadillac(s): none | | Join Date: Feb 2009 Age: 44 | | | Re: A.R. Headers Pics And Dyno Results!!! Mike, I appreciate the heads up. We create these systems to serve one purpose, eliminate the stifling stranglehold the manufacturers are forced to place on these otherwise amazing engines. The factory system is one of the worst we've seen on any domestic. If these engines weren't supercharged I'm convinced they'd be down 50 hp because of this exhaust system. Our systems clearly are not for everyone. We make no claim that they meet .gov requirements even though they come equipped with all the necessary emissions fittings and cats. Those that wish to take their HP and TQ to a whole new level are free to do so by adding our system.
Nick | 
03-13-09, 08:51 PM
| | Cadillac Owners Fanatic Cadillac(s): Cadillac | | Join Date: May 2008 Location: Cin City Age: 32 | | | Re: A.R. Headers Pics And Dyno Results!!! Vroooom vroooom F the rules. Restrictions are good in volume for the masses but for the enthusiast? Look the other way lol | 
03-13-09, 09:04 PM
| | Cadillac Owners Connoisseur Cadillac(s): Kooks,MOMO seats,C5 hubs,3489# | | Join Date: Jun 2007 Location: Ashland, Ohio | | Quick switch of hats from Mr. SAE to Mr. EPA! Gentlemen, he has them all including Mr. OEM!
Norm Quote:
Originally Posted by Mikels I am telling you this as a favor - the V is a 4 cat system (trust me on this) and you are advertising an emission control defeat system for sale - you don't want to go there. (remember what happened to O2 simulators?)
Partial volume monitoring utilizes multiple catalysts - CTSV does it with 2 catalysts per bank. Some Ford products do it with 2 bricks in same housing (2nd O2 sensor in middle of cat housing).
Just because it is not monitored does not mean it is not a catalyst.
They were not added for sound or anything else - they are there as part of emission control system for the V | | 
03-13-09, 09:36 PM
| | Cadillac Owners Connoisseur Cadillac(s): 2005 Stealth Gray CTS-V, 2009 Black CTS-V | | Join Date: Jun 2005 Location: CA | | | Re: A.R. Headers Pics And Dyno Results!!! Nick,
I understand the smog issue and I can deal with that. But I don't want any code errors popping up like mad. Do you see any issues there? | 
03-13-09, 10:51 PM
|  | Cadillac Owners Fanatic Cadillac(s): 2009 CTS-V Black/Black, manual | | Join Date: Dec 2008 Location: Seattle area | | | Re: A.R. Headers Pics And Dyno Results!!! Quote:
Originally Posted by Luna. Nick,
I understand the smog issue and I can deal with that. But I don't want any code errors popping up like mad. Do you see any issues there? | And/or emission testing issues. I'm all for free flowing exhausts as well, but if I get hassled/fined each time the testers in my state stick their thingy, (sniffers), up my tail pipes,  , and it fails the test when it's time to renew lic. tabs, that will get old real fast.
Rob | 
03-13-09, 10:58 PM
| | Cadillac Owners Member | | | | | Re: A.R. Headers Pics And Dyno Results!!! Quote:
Originally Posted by Luna. Nick,
I understand the smog issue and I can deal with that. But I don't want any code errors popping up like mad. Do you see any issues there? | realistically anything can be bypassed with a tune....
and in general, I'm glad you guys are impressed, Nick makes great stuff, luckily for me he's local, when I feel the need I drive over have lunch at the shop and leave a few dollars lighter with some nice stainless steel in the back of the suburban for my latest project | 
03-14-09, 12:33 AM
| | Cadillac Owners Member Cadillac(s): none | | Join Date: Feb 2009 Age: 44 | | | Re: A.R. Headers Pics And Dyno Results!!! Luna, Engine lights are a non issue with a good tune which we highly recommend with every header install.
Undertaker, Thanks for representing. Stop by when you have some time.
Nick | 
03-14-09, 12:54 AM
| | Cadillac Owners Connoisseur Cadillac(s): 2005 Stealth Gray CTS-V, 2009 Black CTS-V | | Join Date: Jun 2005 Location: CA | | | Re: A.R. Headers Pics And Dyno Results!!! Quote:
Originally Posted by Am. Racing Headers Luna, Engine lights are a non issue with a good tune which we highly recommend with every header install.
Undertaker, Thanks for representing. Stop by when you have some time.
Nick | Re-tuning it after the header install is a given...
Now I just need to contemplate the loss in boost due to the headers, increasing the boost with a pulley, and it's impact on the stock pistons. My gut reaction is that they would be fine, as they shouldn't have any additional cylinder pressure, but I'm also tempted to just install forged pistons to be safe. | | Cadillac Discussion Tools | | |
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