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Old 09-29-2009, 01:27 PM   #1
katy@lmspeed
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ADM Downpipes Dyno Test Results!!!

Andy sent us a set of his pipes for some independent testing, so we did some before and after Dyno pulls on a stock LS3 SS. We are very impressed with the increase in the muscle car sound as you go through the gears. There is even a slight cackle on deceleration but not obnoxious. Here are some before and after video's with the exhaust fans and air compressor shut off, in other words, the only sound is the car!!!

Before

[/IMG]




After




Dyno Results

[/IMG]


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Old 09-29-2009, 01:36 PM   #2
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sounds mean and great gains for just removing the cats!
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Old 09-29-2009, 01:43 PM   #3
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Old 09-29-2009, 02:04 PM   #4
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Wow, I guess this will be my next upgrade
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Previous Car:1SS/CGM 6MT w/ Sunroof & FACTORY BLUETOOTH!!!: New Era OTR, Steeda Short Shifter, Ported TB, Stg 2 ported intake manifold, Fasterproms, Poor man down pipes, MBRP 3" Exhaust!!!


Now I drive a F150 Supercrew
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Old 09-29-2009, 02:06 PM   #5
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Old 09-29-2009, 02:29 PM   #6
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Nice
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Old 09-29-2009, 04:00 PM   #7
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Any tuning?

You'll get a check engine light without tuning, right?
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Old 09-29-2009, 04:15 PM   #8
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Tuning is definitely necessary. You're removing the cats. The computer is not gonna like that!
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Old 09-29-2009, 07:07 PM   #9
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Quote:
Originally Posted by SGOS252382 View Post
Any tuning?

You'll get a check engine light without tuning, right?

Yes, it should set a code, unless the Tune is adjusted!!!
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Old 09-29-2009, 08:18 PM   #10
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Quote:
Originally Posted by katy@lmspeed View Post

Yes, it should set a code, unless the Tune is adjusted!!!

Thanks for doing this for me.Rpm is up next and will evaluate them in the same manner.

As far as codes go,Yes this product is designed for Off-road use only.If you choose to have your codes turned off than that is up to the end user.The car will run fine with the codes present.

BTW-A tune will get another 5-7 rwhp on this setup.


Andy
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Old 09-29-2009, 08:20 PM   #11
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That's so great , i always hate the cats none of my cars has cats ;-)
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Old 09-29-2009, 09:01 PM   #12
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Originally Posted by ADM PERFORMANCE View Post
Thanks for doing this for me.Rpm is up next and will evaluate them in the same manner.

As far as codes go,Yes this product is designed for Off-road use only.If you choose to have your codes turned off than that is up to the end user.The car will run fine with the codes present.

BTW-A tune will get another 5-7 rwhp on this setup.


Andy
nice work adm for unbiased dynos...every tuner should do that...and the results are great!
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Old 09-29-2009, 09:04 PM   #13
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Quote:
Originally Posted by katy@lmspeed View Post
Andy sent us a set of his pipes for some independent testing, so we did some before and after Dyno pulls on a stock LS3 SS. We are very impressed with the increase in the muscle car sound as you go through the gears. There is even a slight cackle on deceleration but not obnoxious. Here are some before and after video's with the exhaust fans and air compressor shut off, in other words, the only sound is the car!!!


Welcome to the board Katy,



Great to see you guys pitching in to test Andy's down pipes. Well established results, but independent evalutaion is the best form of validation.
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Old 09-29-2009, 09:05 PM   #14
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Andy, does this kit come ready to plug and play?
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Now I drive a F150 Supercrew
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