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Old 07-01-2009, 05:00 PM   #1
Crowley
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ARH Longtubes installed - before and after dynos inside

First, the skinny: ARH Longtubes catted and dyno tune at ADM. (Stock CAI / Axelback M6 car)

Sorry for the title spelling dyno wrong .. maybe a mod can fix that.

AVG gain was 36 hp 43.7tq
Peak HP / TQ gains were 42.17HP 50.52TQ
Max HP/TQ gains were 48.67HP 54.07TQ ..

Not to bad in the Hot Texas weather.



http://www.garywalters.net/camaro/Lo...Tune_diff.xlsx

The spreadsheet I used to show differences out the the txt file that ADM sent me.

Crowley
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Old 07-01-2009, 05:05 PM   #2
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stock everything else? mufflers? CAI?

I assume this is an M6
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Old 07-01-2009, 05:13 PM   #3
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Quote:
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stock everything else? mufflers? CAI?

I assume this is an M6
Correct .. stock axelback and cai

thanks,
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Old 07-01-2009, 06:00 PM   #4
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That says volumes for the ARH headers with Hi flo CATS. Great numbers and your baseline HP TQ are right in the ballpark. Whats next??
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Old 07-01-2009, 06:04 PM   #5
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ARH are the best in my book!!
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Old 07-01-2009, 06:06 PM   #6
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That says volumes for the ARH headers with Hi flo CATS. Great numbers and your baseline HP TQ are right in the ballpark. Whats next??
Air intake .. when one comes up I want to try .. been looking at the Vararm (mispelled, but Im lazy right now ) .. the new era one looks promising as well. I also will change the axelback out to fine tune the sound to how I want it to be.

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Old 07-01-2009, 06:08 PM   #7
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Thanks for posting this. And great numbers. The HP/TQ is obviously most important but I gotta ask, did the headers help the exhaust note out enough to where you will leave the stock cat-back on?
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Old 07-01-2009, 06:18 PM   #8
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Thanks for posting this. And great numbers. The HP/TQ is obviously most important but I gotta ask, did the headers help the exhaust note out enough to where you will leave the stock cat-back on?
I haven't picked it up yet .. I'll let you know when I do .... I do belive I will change them out with maybe some magnaflows in a 3 inch config ...

By the way ... A big shout out to Andy at ADM .. great work and great customer service !! can't ask for more !!

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Old 07-01-2009, 06:30 PM   #9
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Crowley, those are great gains. If I were you, I would save the money from exhaust and CAI and put it towards a TVS2300 or TechCo and be done with it. You'll have a great street car. Good luck!
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Old 07-01-2009, 07:38 PM   #10
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Tad over 400 rwhp? Very nice!!!!!
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Old 07-01-2009, 07:45 PM   #11
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Nice numbers! Thanks for sharing.
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Old 07-01-2009, 07:48 PM   #12
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Very nice! Thanks for the info. Let us know how much the LT's improved the exhaust note with the OE cans? A vid clip would be AWESOME!
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Old 07-01-2009, 08:00 PM   #13
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Very nice! Thanks for the info. Let us know how much the LT's improved the exhaust note with the OE cans? A vid clip would be AWESOME!
I'll work on this between now and the weekend. Also .. you local McKinney guys can meet and check it out whenever.

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Old 07-01-2009, 08:42 PM   #14
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i did that same thing 2 weeks ago started with 343hp after headers and high flow cats x pipe and stock axle back i added 21 hp bring ing it to 364hp and then after tune got another 11 hp so i ended up with 375 hp so i would like to know how you got 48 hp with just added arh stuff and no tune i didnt even get there and i did more
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Old 07-01-2009, 08:42 PM   #15
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Congrats those are stout gains
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Old 07-01-2009, 08:50 PM   #16
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Quote:
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Thanks for posting this. And great numbers. The HP/TQ is obviously most important but I gotta ask, did the headers help the exhaust note out enough to where you will leave the stock cat-back on?
During normal driving,very mild sound.During WOT it is very brisk.

Crowley was able to witness on more than 1 occasion the 427 car with our magnaflow system and can vouch it is a totally different sound,Very deep and not brash.

Andy
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Old 07-01-2009, 09:05 PM   #17
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Quote:
Originally Posted by ADM PERFORMANCE View Post
During normal driving,very mild sound.During WOT it is very brisk.

Crowley was able to witness on more than 1 occasion the 427 car with our magnaflow system and can vouch it is a totally different sound,Very deep and not brash.

Andy
thats what I needed to hear .... "Very deep and not brash"

now...

1. was it 2.5" or 3" magnaflows???...
2. magnaflow resonator (cat-back) or ARH x-pipe (w/ magnaflow axleback)???...
3. magnaflow street or competition series???

and please... we are dying for a video
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Old 07-01-2009, 09:08 PM   #18
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Quote:
Originally Posted by ADM PERFORMANCE View Post
During normal driving,very mild sound.During WOT it is very brisk.

Crowley was able to witness on more than 1 occasion the 427 car with our magnaflow system and can vouch it is a totally different sound,Very deep and not brash.

Andy
YEP .... Good things to come for sure !!!

Thanks for everything you have done Andy ...

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Old 07-01-2009, 09:08 PM   #19
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i did that same thing 2 weeks ago started with 343hp after headers and high flow cats x pipe and stock axle back i added 21 hp bring ing it to 364hp and then after tune got another 11 hp so i ended up with 375 hp so i would like to know how you got 48 hp with just added arh stuff and no tune i didnt even get there and i did more
This is with a tune .. I didn't do any non tune dynos (except the stock one).

THanks,
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Old 07-01-2009, 09:10 PM   #20
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thats what I needed to hear

now... was it 2.5" or 3" magnaflows???... magnaflow resonator or ARH x-pipe???

and please... we are dying for a video

Lpe 427,ARH 2" headers and cats,Magnaflow mufflers.
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Old 07-01-2009, 09:40 PM   #21
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Thanks !!!

but I still need to clarify... sorry for the trouble.....

1. ARH 2" headers
2. ARH high flow cats
3. ??? crossover
4. ??? size magnaflow mufflers

I am looking for what is in between the cats and the mufflers... and the size of the pipe after the cats. You can buy the ARH system with or without the xpipe and you can buy the magnaflow system with or without the resonator... furthermore, the magnafow comes in 2.5 and 3" pipe sizes... and street or competition series mufflers.

I trying to figure out which sounds the deepest at idle and adds the most HP... which one would you choose?
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Old 07-01-2009, 09:50 PM   #22
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Thanks !!!

but I still need to clarify... sorry for the trouble.....

1. ARH 2" headers
2. ARH high flow cats
3. ??? crossover
4. ??? size magnaflow mufflers

I am looking for what is in between the cats and the mufflers... and the size of the pipe after the cats. You can buy the ARH system with or without the xpipe and you can buy the magnaflow system with or without the resonator... furthermore, the magnafow comes in 2.5 and 3" pipe sizes... and street or competition series mufflers.

I trying to figure out which sounds the deepest at idle and adds the most HP... which one would you choose?

3" custom in house from the x pipe back...all 3"











Crowleys car underneath -
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Old 07-01-2009, 09:52 PM   #23
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thanks...

guess I will have to find a custom shop
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Old 07-01-2009, 10:35 PM   #24
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thanks...

guess I will have to find a custom shop
It's not that far from Alabama to Texas!
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Old 07-02-2009, 06:41 AM   #25
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It's not that far from Alabama to Texas!

This is true,I get them from all over the country.

I have a fantastic transport company I use and he is consistantly going through alabama to florida.

Andy
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