Header Questions - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

Missile Man · 09-26-2009, 08:51 AM

I'm thinking of getting headers and need some feedback. I have an A6 and SLP LM II axle-back. Plan on getting the ADM CAI.

1. Will the stock exhaust (excluding mufflers) have too much back pressure to notice any improvement from headers alone?

2. How much of an increase in exhaust sound should I expect? The increase in sound is not a issue just would like to have an idea. Someone had mentioned that the increase is sound from headers would be minimal.

3. Are there headers that will bolt directly to the stock exhaust flange?

Getting a tune is driving these questions. Thanks for the input.

A.R. Headers · 09-26-2009, 10:23 AM

Missile, If you chose to use our headers and high flow cats only, they'll bolt right up to you existing mid section. It will liven up the sound a touch at idle and cruise. I'll come on stronger when you're rowing through the gears. If you want nothing short of the best performance results, go with our system complete. Combined with you axle back it should sound great as well.

Nick

thenaz · 09-26-2009, 11:21 AM

Quote:

Originally Posted by A.R. Headers

Missile, If you chose to use our headers and high flow cats only, they'll bolt right up to you existing mid section. It will liven up the sound a touch at idle and cruise. I'll come on stronger when you're rowing through the gears. If you want nothing short of the best performance results, go with our system complete. Combined with you axle back it should sound great as well.

Nick

I've been trying to decide the best combo of American Racing Headers for my 2010 Camaro manual 6 speed. I'm going to put on a TVS 2300 Magnacharger with a ADM Performance cold air intake. I want the American Racing Headers on the stock muflers (a friend had this with a corsa cat back that was way too loud so he went back to the stock mufflers that are about 2 times louder than before headers and sounds good). My question is that your long tube headers with high flow cats, x-pipe and extension pipes to the rear axle appear to come in 2 size options: 1 7/8 inch or 2 inch 304-SS, so what are the advantages or disadvantages of the smaller or larger diameters. More torque with smaller diameter? More horsepower with larger? I want more torgue at lower rpm over more power at higher. What will get me what I want? Also is the combination I am going to put together sound solid or do you have other suggestions.
Thanks in advance
Scott (the naz)

FwyFlyer · 09-26-2009, 11:33 AM

Quote:

Originally Posted by thenaz

I've been trying to decide the best combo of American Racing Headers for my 2010 Camaro manual 6 speed. I'm going to put on a TVS 2300 Magnacharger with a ADM Performance cold air intake. I want the American Racing Headers on the stock muflers (a friend had this with a corsa cat back that was way too loud so he went back to the stock mufflers that are about 2 times louder than before headers and sounds good). My question is that your long tube headers with high flow cats, x-pipe and extension pipes to the rear axle appear to come in 2 size options: 1 7/8 inch or 2 inch 304-SS, so what are the advantages or disadvantages of the smaller or larger diameters. More torque with smaller diameter? More horsepower with larger? I want more torgue at lower rpm over more power at higher. What will get me what I want? Also is the combination I am going to put together sound solid or do you have other suggestions.
Thanks in advance
Scott (the naz)

I'm going with 1 3/4" primaries into 3" collectors with 3" x 2.5" cats. That will leave the options wide open for a catback choice.

toehead93 · 09-26-2009, 12:53 PM

Are the SLP LMII 2.5" pipes and exhaust? SLP's website says it is a 3" madrel bend system, but the parts lists calls everything 2.5" diameter. I'm looking at a very similar set-up as the OP. I'm leaning toward ARH, no other headers have shown to make as much power and I love the sound of the LMIIs.

Missile Man · 09-26-2009, 01:05 PM

Quote:

Originally Posted by toehead93

Are the SLP LMII 2.5" pipes and exhaust? SLP's website says it is a 3" madrel bend system, but the parts lists calls everything 2.5" diameter. I'm looking at a very similar set-up as the OP. I'm leaning toward ARH, no other headers have shown to make as much power and I love the sound of the LMIIs.

I'm not sure on the size but it's a direct bolt on to the stock pipes. Super easy to install. I'll love the LM II's even more when I disable AFM.

Missile Man · 09-26-2009, 01:06 PM

Quote:

Originally Posted by A.R. Headers

Missile, If you chose to use our headers and high flow cats only, they'll bolt right up to you existing mid section. It will liven up the sound a touch at idle and cruise. I'll come on stronger when you're rowing through the gears. If you want nothing short of the best performance results, go with our system complete. Combined with you axle back it should sound great as well.

Nick

Nick,

I'll look into your setup, thanks.

Would you have the P/N's?

Merc · 09-26-2009, 01:11 PM

Every photo of the AR's and SLP's headers shows what appears to be header to axel system. My question is $1800 for AR's is that for header to axel or just header & cat.

JANNETTYRACING · 09-26-2009, 01:23 PM

Quote:

Originally Posted by mercuryman96

Every photo of the AR's and SLP's headers shows what appears to be header to axel system. My question is $1800 for AR's is that for header to axel or just header & cat.

Header to rear axle with cats.

2SSRS@Gen5diy · 09-26-2009, 01:32 PM

Dos the ARH in 1 7/8 throw a code?.

Merc · 09-26-2009, 03:26 PM

K. Now just got to figure out what is the best axel back system. I want it to sound cool, but not stupid loud. Ted what's your pick ARH's or SLP's and correct part #.

SGOS252382 · 09-26-2009, 03:52 PM

Quote:

Originally Posted by mercuryman96

K. Now just got to figure out what is the best axel back system. I want it to sound cool, but not stupid loud. Ted what's your pick ARH's or SLP's and correct part #.

You might want to go with Magnaflow street series (with mufflers). Stay away from the muffler delete systems.
I know that Magnaflow is one of the more quiet exhausts and used with headers by many because of that. You will still have a loud aggressive exhaust, but it won't be "stupid loud."

Merc · 09-26-2009, 03:55 PM

K So Magna Flow makes axel back system?

JANNETTYRACING · 09-26-2009, 11:02 PM

Quote:

Originally Posted by mercuryman96

K. Now just got to figure out what is the best axel back system. I want it to sound cool, but not stupid loud. Ted what's your pick ARH's or SLP's and correct part #.

I am still testing headers have not settled on anything yet.

My Gut tells me 1 3/4 primaries are the ticket be we will see.

09-26-2009, 08:51 AM	#1
Missile Man Drives: 2010 2SS/Black Join Date: Mar 2009 Location: Tucson, AZ Posts: 608	Header Questions I'm thinking of getting headers and need some feedback. I have an A6 and SLP LM II axle-back. Plan on getting the ADM CAI. 1. Will the stock exhaust (excluding mufflers) have too much back pressure to notice any improvement from headers alone? 2. How much of an increase in exhaust sound should I expect? The increase in sound is not a issue just would like to have an idea. Someone had mentioned that the increase is sound from headers would be minimal. 3. Are there headers that will bolt directly to the stock exhaust flange? Getting a tune is driving these questions. Thanks for the input. __________________ 2010 Black 2SS L99 Mods: * CAI Intake * Magnuson MP2300 TVS Supercharger/RDS Spacer * Vector Motorsports Tune * Stainless Power LT/Hi Flow Cats/Tru X-* Pipe/36" J-Pipes/40 Series * R1 Concepts ceramic pads and slotted/drilled rotors

09-26-2009, 12:53 PM	#5
toehead93 Drives: 2014 2SS/1LE Join Date: Feb 2007 Location: wpb fl Posts: 3,136 View My Garage	Are the SLP LMII 2.5" pipes and exhaust? SLP's website says it is a 3" madrel bend system, but the parts lists calls everything 2.5" diameter. I'm looking at a very similar set-up as the OP. I'm leaning toward ARH, no other headers have shown to make as much power and I love the sound of the LMIIs. __________________ Used Racing Brake 2 Peice Rotors for sale: http://www.camaro5.com/forums/showthread.php?t=344754 Summit White 2014 2SS 1LE Recaros, NPP exhaust, Nav 2010 2SS A6 - sold.

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09-26-2009, 10:23 AM	#2
A.R. Headers Drives: Pontiac G8 GT Join Date: May 2009 Location: new york Posts: 263	Missile, If you chose to use our headers and high flow cats only, they'll bolt right up to you existing mid section. It will liven up the sound a touch at idle and cruise. I'll come on stronger when you're rowing through the gears. If you want nothing short of the best performance results, go with our system complete. Combined with you axle back it should sound great as well. Nick

09-26-2009, 01:11 PM	#8
Merc In The Circle Drives: 2010 Camaro 2SSRS IOM M6 Join Date: May 2009 Location: Abbotsford BC Canada Posts: 11,291	Every photo of the AR's and SLP's headers shows what appears to be header to axel system. My question is $1800 for AR's is that for header to axel or just header & cat.

09-26-2009, 01:32 PM	#10
2SSRS@Gen5diy Drives: 2014 Z/28 #82+#192, 18ZLE 66Nova Join Date: Oct 2008 Location: By the lake in AZ Posts: 15,719 View My Garage	Dos the ARH in 1 7/8 throw a code?.

09-26-2009, 03:26 PM	#11
Merc In The Circle Drives: 2010 Camaro 2SSRS IOM M6 Join Date: May 2009 Location: Abbotsford BC Canada Posts: 11,291	K. Now just got to figure out what is the best axel back system. I want it to sound cool, but not stupid loud. Ted what's your pick ARH's or SLP's and correct part #.

09-26-2009, 03:55 PM	#13
Merc In The Circle Drives: 2010 Camaro 2SSRS IOM M6 Join Date: May 2009 Location: Abbotsford BC Canada Posts: 11,291	K So Magna Flow makes axel back system?