C63 AMG (W204) 2008 - 2015
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Old May 27, 2011 | 02:47 PM
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FierceSpeed's Avatar
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Mercedes Benz
Looking for a few customers to review some products!

Hello All,

We're looking for a couple of customers to review some Agency Power products for the C63 AMG. In exchange we'll offer a discount, please PM for pricing.

Agency Power Header and Section 1 Mid Pipes Mercedes-Benz C63 AMG 07+
The New Agency Power Mercedes C63 AMG headers fit the 2007 and up model. Made from 304 Stainless Steel, with laser cut flanges for a precision fit. Each header features a 4 into 1 collector with slip in design for easier install. Each runner is 1.75” with a collector size of 2.75”. The header kit also includes stainless steel 2.75” section 1 mid pipes to complete the bolt on installation.
As tested on a 2009 C63 with flash and Agency Power Exhaust on a Mustang Dyno, power was increased 45 wheel horsepower and 42 ft/lbs of torque. In addition to improving performance, the headers also change the tone of your vehicle. Adding a deeper and more exotic sound.







http://www.youtube.com/watch?v=VGXre...layer_embedded

Last edited by FierceSpeed; May 27, 2011 at 03:08 PM.
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Old May 27, 2011 | 02:58 PM
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The headers and flash only produced 45 whp? That doesn't make sense. A flash alone "de-restricts" the C63 and provides at least a 45 whp bump.

I'm guessing the increase with these headers and flash on an otherwise stock C63 is above 70 whp. That's conservative too.

Also, I'm sure it's a typo but there is no 2007 model year C63. They started off in 08'.

Last edited by SonnyakaPig; May 27, 2011 at 03:00 PM.
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Old May 27, 2011 | 03:07 PM
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^
It's probably a +45hp increase for headers/mids only, I would hope.
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Old May 27, 2011 | 03:51 PM
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Originally Posted by PetroC63
^
It's probably a +45hp increase for headers/mids only, I would hope.
Originally Posted by FierceSpeed
As tested on a 2009 C63 with flash and Agency Power Exhaust on a Mustang Dyno, power was increased 45 wheel horsepower and 42 ft/lbs of torque.
It's difficult to discern whether this means the C63 had a flash, which represented the baseline, before installing the Agency Power Exhaust or whether the flash and exhaust were installed together and created the power gains together.

I'm sure you're right, it's just the wording threw me off.
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Old May 27, 2011 | 07:50 PM
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Originally Posted by SonnyakaPig
It's difficult to discern whether this means the C63 had a flash, which represented the baseline, before installing the Agency Power Exhaust or whether the flash and exhaust were installed together and created the power gains together.

I'm sure you're right, it's just the wording threw me off.
The wording is definately questionable.

We know a conservative tune alone will net you about 50HP.
It's not inconceivable to expect at least another 40HP from
properly designed headers. Hopefully, he comes back to clarify.
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Old May 27, 2011 | 08:18 PM
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Screw it, I'll be a guinea pig if the price is right. I have a tune already and can dyno the car before and after the header/mid pipe install. PM with pricing and/or deal.
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Old May 28, 2011 | 02:19 AM
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Originally Posted by niceguyyy01
Screw it, I'll be a guinea pig if the price is right. I have a tune already and can dyno the car before and after the header/mid pipe install. PM with pricing and/or deal.

Now you'll have to change your sig.
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Old May 28, 2011 | 03:01 PM
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We were told the header/midpipe combination alone makes 30whp on their Mustang dyno. So I assume with the tune and exhaust it'll make 45whp on top of what the tune and exhaust would produce.

If anyone is interested in this offer please PM me for the price.

Last edited by FierceSpeed; May 28, 2011 at 03:49 PM.
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