helix dp

Discussion in 'Modifications & DIY how-to' started by jayjaysti, Apr 5, 2007.

  1. jayjaysti

    jayjaysti Member

    would a helix dp work in my 04 sti
     
  2. Weapon

    Weapon 90lbs of dynamite Supporting Member

  3. lostinthewoods

    lostinthewoods Frisco Tx Baller

    yup. i am runnin a helix dp , catted
     
  4. ^^^ me too, had one on my WRX too, very good dp at a very good price....
     
  5. mokinbird87

    mokinbird87 Active Member

    how much horsepower gain am i looking at from getting a 3" helix DP+sti uppipe and run stage 2 on my AP over the stock 227 crank horsepower? o, i also have the sti axle-back, and no matter what ppl say, it did wonders for me. i`m thinking DP(+15) uppipe(+10) axle-back(+8-10), and AP (+15), so a total crank horsepower of 277 or a little less? hopefully my tranny will last; that's why my power mod stops here. I think it`ll be enough power for me, and it is probably a good limit for the stock turbo, and the tranny.
     
  6. mokinbird87

    mokinbird87 Active Member

    ^ hehe, and i realize some of the horsepower figures up there can be hideous, so please feel free to correct me on how much power they would really make.
     
  7. Yeah, the power figures may be a little optimistic on the 2.0L, but only by a little bit...... maybe 30-40hp, a little more with a true TBE and/or a Protune......
     
  8. Deke

    Deke Active Member

    Yeah you can't exactly just add up horsepower like that. I'd say 260 to the crank would be a good estimate.

    And yes, as long as you're a decent driver your tranny should have absolutely no problems.
     
  9. clemsonscooby

    clemsonscooby Active Member

    If you are running a full 3" turboback stage 2 93 octane, on the cobb website, it says you will be running 285hp 290tq at crank, 225hp 230tq at wheels. This is extremely accurate as those were my exact numbers from the dynoday.

    There will be no problems with the tranny, but you have to replace the clutch. I will guarantee, running stage 2 by the end of the year you will be replacing it, especially if it is OE. I didn't really feel the power until I replaced it with a clutch capable of biting the extra power. I would also start looking at replacement bushings for tranny mount, engine, and diff.
     
    Last edited: Apr 6, 2007
  10. mokinbird87

    mokinbird87 Active Member

    oo, that makes a lot of sense..even running stage 1, i feel like my clutch isnt enough now (i guess 90K mileage isnt very new either). man, i was thinking about doing springs, struts, sway bars and an alignment, but i guess i better do the supporting mods first before i break something.
     

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