header only 2010 makes 407 rwhp / 404rwtq!!!

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08-28-2009, 01:59 PM

Bryan @ Speed Inc.

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header only 2010 makes 407 rwhp / 404rwtq!!!

we installed an off-raod Dynatech Supermaxx header system and a bone stock 2010, dyno tuned it, and made these numbers!

this is through stock mufflers, the sound is fantastic.

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header only 2010 makes 407 rwhp / 404rwtq!!!-dyno.jpg

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08-28-2009, 02:14 PM

krwyellowZ28

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Wow!!

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08-28-2009, 02:22 PM

RJB01camaross

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Awesome!!!!

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08-28-2009, 06:11 PM

MYSTIC-1SC

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impressive results.

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08-28-2009, 06:31 PM

lt1badbird

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a local shop Cincy Speed just made 411/411 with
Stainless Works SS Headers w X-pipe
Stainless Works SS Cat back
LMR Cold air kit
custom HP Tune

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08-29-2009, 07:57 AM

Nine Ball

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Stock airbox too? If so, how? That sucker is a bottleneck.

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08-29-2009, 01:24 PM

ndfrsd6

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awesome results guys !!! just awesome the power these motors make

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08-29-2009, 02:07 PM

navyblueSS

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Wow, Impressive numbers!!

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08-29-2009, 07:16 PM

jmilz28

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Either this is one happy dyno or you just got a freak on your hands...

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08-29-2009, 11:41 PM

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Spectre86

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damn. thats crazy.

question, do you think its the LS3 engine itself that responds so well, or the fact is has those heads stock?

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08-30-2009, 05:43 PM

#11

LS1 SPEED

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yes...nothing more then headers and highflow cats ( Bryan was wrong on the offroads )

I would say it's a strong car rather then a happy dyno since we did our back up run just after this car with the same headers and only showed a 9rwhp gain.

These motors really make some power!

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08-30-2009, 07:00 PM

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lt1badbird

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Quote:

Originally Posted by jmilz28

Either this is one happy dyno or you just got a freak on your hands...

i dont think a freak at all read my above post a local shop made a few more horse with a intake and catback id say its right

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09-08-2009, 01:31 PM

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hellbents10

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I would imagine that is about right. I just tuned one last Thursday, made 385 to the tires with a CAI, cat back, and stock manifolds. I will have to tell him to get some headers!