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Overall HP gain?

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Old 03-27-2007, 09:03 AM
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Overall HP gain?

ESTIMATEDLY, what would the overall gorse power gain of this be?

Deckplate Mod
TrueFlow Air Filter (on the way).
Flowmaster 40.

All combined what is a good educated guess?
Old 03-27-2007, 09:06 AM
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10hp if you're lucky.
Old 03-27-2007, 09:56 AM
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not worth it.. save your $$
Old 03-27-2007, 10:03 AM
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I already have the Flowmaster, True Flow is coming, and Im doing the Deckplate mod today.
Old 03-27-2007, 10:10 AM
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It won't be really noticeable HP but the hole in the airbox with a good flowing filter is good for 6-8whp and the exhaust might yield another 3-4 in the midrange but overall the exhaust is more for a meatier sound.
Old 03-27-2007, 10:14 AM
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save your $
Old 03-27-2007, 10:27 AM
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Originally Posted by X-AWDriver
It won't be really noticeable HP but the hole in the airbox with a good flowing filter is good for 6-8whp and the exhaust might yield another 3-4 in the midrange but overall the exhaust is more for a meatier sound.
Not to be a dick but is that 6-8whp dyno proven?
Cause I doubt you will get that much, maybe half of that.
Old 03-27-2007, 10:31 AM
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You'll gain some better sound but probably unnoticeable horsepower.
Old 03-27-2007, 10:31 AM
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save your $
Old 03-27-2007, 12:34 PM
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Originally Posted by mkgarrison5
save your $
Did you really need to say it 3x or are you just trying to pad your post count?

I say do it if you're doing it for the sound, the gain is noticeable at WOT, but then again, I dont have any #'s to back that up. I did it (Deckplate, ISR mod, Vortex Muffler) and love the sound and the "gain" that I at least think I'm getting
Old 03-27-2007, 12:37 PM
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Originally Posted by mkgarrison5
save your $
Cheap Bastard!
Old 03-27-2007, 12:37 PM
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5-8, nothing to brag about but every little bit helps.
Old 03-27-2007, 12:56 PM
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i would say you will probabbly gain about 300 hp at the wheels total you may want to air down and drive around in 4wd all the time because you will be producing so much power it will be hard to actually get traction.


but seriosly you will gain a few HP probabbly not that noticable if your driving habbits stay the same your engine will be a little more efficent (agian if driving habbits stay the same) every little bit helps
Old 03-27-2007, 01:01 PM
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What motor? That makes all the difference.

On my 22re, headers, intake, cat, bigger pipes, muffler, hotter wires...... probably got me 1hp

On a 3.4, might be good for 1.5hp
Old 03-27-2007, 01:03 PM
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some food for thought... If your N/A and you put on a AEM brute force... it dyno's around 12 horsepower at redline. Check their website for charts. So i imagine that all that would put you around the same if not a little higher (12-15 horsepower) and definitely noticable.
Old 03-27-2007, 01:03 PM
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Originally Posted by Yota Tony
Not to be a dick but is that 6-8whp dyno proven?
Cause I doubt you will get that much, maybe half of that.
Yes, the deckplate mod is indeed "dyno proven" at about 6hp. It actually gives you more gain than a $300 K&N FIPK.

From Gadget Online:

Originally Posted by GadgetOnline.com
This is the test that is sure to get some folks upset. Performance products is selling the K&N FIPK for $219. The K&N FIPK beats the stock box by .6 HP in 1st, 2.8 in 2nd, but looses to the stock box by 3.2 in 3rd for an average loss of .06 HP.

Now if you just cut open the front of the box you get 6.4 HP over the stock box for free or 9.6 over the K&N FIPK. Remember from the previous chart you will get basically the same results by removing the elbow as cutting open the box. I think this might be the way to go so you can pop it back in if you decide to go swimming.

Last edited by mastacox; 03-27-2007 at 01:07 PM.
Old 03-27-2007, 01:15 PM
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nc994run, with your vortex muffler did u keep the factory pipes or did you just get all new ones. I was looking at burtman and I liked the sound he had on video.
Old 03-27-2007, 01:32 PM
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Originally Posted by TRDatVT
some food for thought... If your N/A and you put on a AEM brute force... it dyno's around 12 horsepower at redline. Check their website for charts. So i imagine that all that would put you around the same if not a little higher (12-15 horsepower) and definitely noticable.
Every single company out the claims that their intakes give 10-20hp. I don't want to see a company's dyno sheets, I want to see personal dyno sheets from an average joe.

Originally Posted by mastacox
Yes, the deckplate mod is indeed "dyno proven" at about 6hp. It actually gives you more gain than a $300 K&N FIPK.

From Gadget Online:
That's good to see.
I still don't think he'll get much more then 8hp at the wheels with everything combined.
Old 03-27-2007, 02:11 PM
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Originally Posted by Yota Tony
That's good to see.
I still don't think he'll get much more then 8hp at the wheels with everything combined.
I agree, probably 8 hp or thereabouts. The muffler won't really do anything, but the deckplate paired with the trueflow might.
Old 03-27-2007, 02:17 PM
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Dabadina, I still have the stock size piping (2.25" IIRC) In the near future I am going to try a short (14" or so) Magnaflow muffler with 2.5" inlet and outlet diameters (got it used) and some 2.5" to 2.25" adapters, I doubt it will change any gains I get, but I'm more interested in the sound


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