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  1. #1
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    JB4 335i vs Cobb ProTuned 2010 Sti

    Just for comparison sake, we ran to see how the Suby stacked up...

    I have jb4/g5 with BMS backend flash, DCI, Downpipes, and WW meth (boost juice). I ran him on a 55 additive/map3. 7AT

    He has Cobb Protune, Boost solenoid, External Wastegate, Downpipe, and full catless exhaust...




    He dynoed 330/380 on a mustang dyno from a popular subaru tuner (from the shop performance solutions??)

    I expected to a have a little tougher time and I didn’t know what he dynoed until afterwards. He said before his external gate and tune he went 12.6 and arelatively low trap that I forget.

    He was break boosting, I did not, I wanted to hang back after the dig to get abetter video of the pull. I wish i would of faced the camera the other way toget a better view of the distance I put on him but I let him take the jump anda car advantage in the rolls to help make a better video...
    Click here to enlarge


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    looks like fun. now pick on some faster cars Click here to enlarge

  3. #3
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    Might as well race a Camry with an intake. Fast sti's are about as rare as things get lol. Most are around 340 and the ones that are higher blow up while racing the motor is made out of glass.

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    all you have is a jb4 and you raped him that bad??
    Some people live long, meaningful lives.

    Other people eat shit and die.

    I'm not racist, I hate everybody equally; especially fat people.


    Click here to enlarge

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    lol there is a guy on L.I. with the license plate V8Bait that is VERY quick... not sure of specs but def a legit car , its the hatch..
    than theres another guy who a hatch , also white, that I hear went mid 11s at 120.... but i agree theres not many quick STI's. I just thought it was a good video to post to show how much quicker a n54 335 is than your typical STI. and this one is a bit quicker than the typical sti with the wastegate and the protune on top of the regular bolt ons. He needs an e85 tune and injectors next...


    D8FIU - I bascially have the mods that matter - DCI, TUNE, DP, METH, and JB4

    I have an intercooler just too lazy to install it lol

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    Click here to enlarge Originally Posted by DBFIU Click here to enlarge
    all you have is a jb4 and you raped him that bad??
    From the description (7AT) it's a 335is & he says he's got the JB4, BMS COBB Flash, DCI, DPs & Meth. So just an FMIC upgrade short of an FBO car
    COBB AP ProTune by Bren of ///Bren Tuning
    Akrapovic DP | Helix FMIC | Alpina TCM Flash | Walbro 450LPH Fuel Pump


    "The moment money becomes your motivation, you are immediately not as good as someone who is motivated by passion and internal will." -A. Senna

  7. #7
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    Click here to enlarge Originally Posted by benzy89 Click here to enlarge
    From the description (7AT) it's a 335is & he says he's got the JB4, BMS COBB Flash, DCI, DPs & Meth. So just an FMIC upgrade short of an FBO car

    2009 335i Coupe... not an iS just the Mtech e92... but yea essentially FBO minus intercooler with secondary cats in place

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    Good run, I expected more from the STi
    We stay swingin...
    Click here to enlarge

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    Destroyed that STI. Don't even think you need meth to kill it.
    John 3:16


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    I agree with what everyone is saying in this thread. A friend of mine had an 05 sti and raced a bolt on evo 9 with the stock turbo, bolt ons, tune. He was dead even with it....evo had like 2k of bolt on parts, he had a built motor and a 30r pushing 420+ whp.....not cost effective at all....He has since sold the sti and bought a 500whp fd rx-7 on a 35r.....the rx-7 is so much faster lol. Click here to enlarge

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    Click here to enlarge Originally Posted by Stucks Click here to enlarge
    I agree with what everyone is saying in this thread. A friend of mine had an 05 sti and raced a bolt on evo 9 with the stock turbo, bolt ons, tune. He was dead even with it....evo had like 2k of bolt on parts, he had a built motor and a 30r pushing 420+ whp.....not cost effective at all....He has since sold the sti and bought a 500whp fd rx-7 on a 35r.....the rx-7 is so much faster lol. Click here to enlarge
    STI's are probably one of the least cost effective, popular platforms to make power. A few bolt ons and they are fun, but beyond that it just doesn't make sense. When I had my Evo IX, with bolt ons, mild cams and stock turbo, I made 320whp on a very low reading Mustang dyno locally. I have been to dyno days there and have seen 30R STI's struggling to make almost that power. Just for reference, my 135 with downpipes, DCI, intercooler, JB4, map 7(100 octane) made 385whp on this same dyno.
    Current: 2012 CTS-V - stock for now
    Past: 2009 135i 6MT - JB4, bolt ons, meth, E85

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    Chuck is such an abuser picking on those stock turbo STI's lol.

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    Very nice (wish he had a camera though).

    i had a built WRX; what a money pit. They can make great power though. Friend's had FBO, e85, and an HTA green and ran 12.0@126mph (driver mod needed) to my 12.1's@119 (FBO e92).
    Change is constant

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    Need more than one angle so we can see exactly how you pulled him which obviously you did but would like to see it play out all the way.

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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  15. #15
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    I agree 100% but felt bad pointing it backwards its a friend lol. And gopro#2 wasn't charged.

    It was a pretty bad beating tho. I've yet to ask him about the suspect brake light ? On a shift or two that I think I see come on too.

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    Lol, you did that while flatlining into 4th gear. I expect a bigger thrashing if you would actually pick on some big boys Click here to enlarge

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    Nice vid

    I've never raced a sti, but I had one messing with me on the highway the other day....to much traffic to actually run.
    Click here to enlarge
    ESS 6XX kit

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    1 out of 2 members liked this post. Yes Reputation No
    nice

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    i thought subies were quicker than that............

  20. #20
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    Click here to enlarge Originally Posted by straightcashhomie Click here to enlarge
    i thought subies were quicker than that............
    Some are.

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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    Click here to enlarge Originally Posted by straightcashhomie Click here to enlarge
    i thought subies were quicker than that............
    Not on a stock turbo they aren't. The Subarus come with a pretty lame turbo from the factory, regardless if it's WRX, or STI. They can be quick, but most aren't anything crazy from a roll. From a dig a good driver in the Subie can have a nice advantage though.
    Current: 2012 CTS-V - stock for now
    Past: 2009 135i 6MT - JB4, bolt ons, meth, E85

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    Click here to enlarge Originally Posted by b00st Click here to enlarge
    Not on a stock turbo they aren't. The Subarus come with a pretty lame turbo from the factory, regardless if it's WRX, or STI. They can be quick, but most aren't anything crazy from a roll. From a dig a good driver in the Subie can have a nice advantage though.
    niceeee, a friend of mine has a 2011 sti and thinks hes the crap... and i just picked up jb4.....hmmmmm hahaha a run in mexico maybe

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