Upgrade suggestions
+ Reply to Thread
Page 1 of 4 1234 LastLast
Results 1 to 15 of 55

This is a discussion on Upgrade suggestions within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; Hi guys, I currently own a 2013 Limited WRX hatchback, has 38k miles on it as its my dd and ...

  1. #1
    Registered User
    Join Date
    Feb 2013
    Posts
    27

    Upgrade suggestions

    Hi guys,

    I currently own a 2013 Limited WRX hatchback, has 38k miles on it as its my dd and i have to tell you its one hell of a fun drive!
    My long term plans are to push its whp to 350 since, again, its my daily driven. At the moment I'm running a custom pro tune for 91 octane gas (it was the highest i could get here in Puerto Rico at that time), has an HKS divorce downpide and in box hks air filter. Until now it has served its purpose of getting it a bit further down the performance line but i want to continue adding a bit more, I know I'm not even remotely close to the targeted 350 whp i want in the long run but I have $2000 maybe $2500 to spend and wanted some suggestions on what to go thru instead of just buying stuff like crazy. I want those dollars put where they count.

    As I said, she's currently running on downpide, and custom 91 octane pro tune, at this moment 93 octane is available everywhere as e85 is nowhere to be found in the island.

    All suggestions are welcome.


    Thanks!

  2. Remove Advertisements
    ClubWRX.net
    Advertisements
     

  3. #2
    Registered User 100plus2Vegas's Avatar
    Join Date
    Mar 2014
    Location
    Oceanside,Ca
    Posts
    225
    An engine is just an air pump. Try to make it more efficient. You say you have a downpipe, but don't mention any exhaust mods after that. Is the down pipe catted? Is the rest of the exhaust stock? If so, go with larger piping, equal length headers and an up pipe.

    On your pro tune, did your tuner use open source, or do you have an Accessport?

    It sounds like you have a drop in filter in the stock air box. If so, do a fresh air turbo inlet hose, and an intake.

    Another idea is an upgraded intercooler, fuel pump, bigger injectiors.

    If you do all this, the car will need to be retuned. Doing all this will likely exceed your budget, even doing the work yourself. I don't know what all you have done to the car, so maybe you can choose some of these ideas.
    14 sedan Limited: AEM intake, Tomioka IC hose, Cobb AP V3, Invidia down pipe with 3" cat, custom 3" mandrel bent single exhaust, Aem air fuel gauge,Cobb knob,Perrin Pitch Stop mount, SPT front strut tower brace, K-Sport coilovers@1.5" drop.

    07 Duramax LBZ- 26psi,intake, TBE, Diablosport programmer, Edge Insight with EGT, EGR block off, BD exhaust manifold, PPE fuel valve.

  4. #3
    Registered User
    Join Date
    Feb 2013
    Posts
    27
    Quote Originally Posted by 100plus2Vegas View Post
    An engine is just an air pump. Try to make it more efficient. You say you have a downpipe, but don't mention any exhaust mods after that. Is the down pipe catted? Is the rest of the exhaust stock? If so, go with larger piping, equal length headers and an up pipe.

    On your pro tune, did your tuner use open source, or do you have an Accessport?

    It sounds like you have a drop in filter in the stock air box. If so, do a fresh air turbo inlet hose, and an intake.

    Another idea is an upgraded intercooler, fuel pump, bigger injectiors.

    If you do all this, the car will need to be retuned. Doing all this will likely exceed your budget, even doing the work yourself. I don't know what all you have done to the car, so maybe you can choose some of these ideas.
    Uncatted downpide, stock exhaust, stock intercooler, custom mapped on accesport, drop in HKS air box filter,.

  5. #4
    Registered User
    Join Date
    Feb 2013
    Posts
    27
    OK, so I spoke with my tuner and here is what he recommends: Perrin TMIC, (I decided to go with the process west instead) Perrin Exhaust, Perrin Uppipe, DW65 fuel pump, turbo suction hose, cobb intake (with box) and retune. What do you guys think?

    Also, since my hatchback is almost stock i never got any gauges intalled, besides boost, what other gauge would you say its a MUST (im guessing wideband but...), which brand would you recommend and why?

    Thanks!!

  6. #5
    MAINEiac 11blackSTi's Avatar
    Join Date
    Nov 2012
    Location
    Land of the Port. ME
    Posts
    2,904
    I Support ClubWRX
    I would definitely recommend getting a Wideband 02 sensor.

    Also, I would skip the Perrin "exhaust" (I'm assume you are talking catback), as well as the up-pipe (your stock up-pipe is not catted), and I would budget in a replacement by pass valve (forge makes good units). Past stage 2, the stock WRX BPV can fail. I would further recommend going with larger fuel injectors (ID 1000's are very popular and sufficient if not running E85 on a larger build). The fuel pump won't do you much good on stock injectors. If you are not going to go for a rotated turbo set up (which you wouldn't need for your power goals), I would consider investing in some equal length headers (Perrin makes good ones, invidia, Killer B if you want to go baller). Then think about some suspension upgrades (sway bars, endlinks...again, if you want to go further a good spring/strut upgrade). Brakes should be upgraded too to help stop the power (I would recommend SS lines, new fluid, and possibly some new pads depending on the condition of yours). Obviously, all this would need to be tuned. If you get a quality pro-tune, then this should get your close to your goals. (BTW, this all along with your suggested TMIC, Intake, and Fuel pump upgrades - turbo inlet is not a bad idea either).

  7. #6
    Registered User
    Join Date
    Feb 2013
    Posts
    27
    So, skip the exhaust (yes, i currently just have an HKS Downpipe installed) and instead go for the headers as well as skip the uppipe in favor of id1000 fuel injectors? I kinda agreed on the exhaust because i want it to sound a bit deeper/louder than stock without making too much noise.


    Sent from my iPhone using Tapatalk

  8. #7
    Registered User
    Join Date
    Feb 2013
    Posts
    27
    Forgot to ask, what brands of gauges would you recommend?


    Sent from my iPhone using Tapatalk

  9. #8
    OMG WTF MainFrame's Avatar
    Join Date
    Sep 2002
    Location
    Texas, United States
    Posts
    8,739
    I Support ClubWRX I Support ClubWRX
    Quote Originally Posted by madraven View Post
    Forgot to ask, what brands of gauges would you recommend?

    Defi.. AEM

  10. #9
    Registered User
    Join Date
    Feb 2013
    Posts
    27
    Quote Originally Posted by 11blackSTi View Post
    I would definitely recommend getting a Wideband 02 sensor.

    Also, I would skip the Perrin "exhaust" (I'm assume you are talking catback), as well as the up-pipe (your stock up-pipe is not catted), and I would budget in a replacement by pass valve (forge makes good units). Past stage 2, the stock WRX BPV can fail. I would further recommend going with larger fuel injectors (ID 1000's are very popular and sufficient if not running E85 on a larger build). The fuel pump won't do you much good on stock injectors. If you are not going to go for a rotated turbo set up (which you wouldn't need for your power goals), I would consider investing in some equal length headers (Perrin makes good ones, invidia, Killer B if you want to go baller). Then think about some suspension upgrades (sway bars, endlinks...again, if you want to go further a good spring/strut upgrade). Brakes should be upgraded too to help stop the power (I would recommend SS lines, new fluid, and possibly some new pads depending on the condition of yours). Obviously, all this would need to be tuned. If you get a quality pro-tune, then this should get your close to your goals. (BTW, this all along with your suggested TMIC, Intake, and Fuel pump upgrades - turbo inlet is not a bad idea either).
    Would i benefit more going the header way instead of completing the exhaust?

  11. #10
    MAINEiac 11blackSTi's Avatar
    Join Date
    Nov 2012
    Location
    Land of the Port. ME
    Posts
    2,904
    I Support ClubWRX
    Quote Originally Posted by madraven View Post
    Would i benefit more going the header way instead of completing the exhaust?
    Performance-wise yes, which is why I suggested it. Your main restriction in the exhaust is the downpipe. That is why I suggested Equal length headers over the catback exhaust. One thing to note is that the note (no pun intended) would change. You wouldn't have the "Subaru rumble" (the sound of inefficiency that we all love so much) any longer. It would sound more like a Porsche after. But you have would a lot of torque gain.

  12. #11
    Registered User
    Join Date
    Feb 2013
    Posts
    27

    Upgrade suggestions

    Quote Originally Posted by 11blackSTi View Post
    Performance-wise yes, which is why I suggested it. Your main restriction in the exhaust is the downpipe. That is why I suggested Equal length headers over the catback exhaust. One thing to note is that the note (no pun intended) would change. You wouldn't have the "Subaru rumble" (the sound of inefficiency that we all love so much) any longer. It would sound more like a Porsche after. But you have would a lot of torque gain.
    Ok, setup would look something like this:?
    Dw64 fuel pump
    Id 1000 injectors
    Perring equal lenght headers
    Turbo suction hose
    Process west tmic
    Cobb intake
    Accessport retune

    *NO up pipe
    *NO catback

    How can i be sure up pipe isn't catted? Not that i dont trust you is just that i've looked everywhere and can't find it, second, wouldn't the setup "breath" more with the catback rather than with stock?

    Thanks man!


    Sent from my iPhone using Tapatalk

  13. #12
    MAINEiac 11blackSTi's Avatar
    Join Date
    Nov 2012
    Location
    Land of the Port. ME
    Posts
    2,904
    I Support ClubWRX
    Quote Originally Posted by madraven View Post
    Ok, setup would look something like this:?
    Dw64 fuel pump
    Id 1000 injectors
    Perring equal lenght headers
    Turbo suction hose
    Process west tmic
    Cobb intake
    Accessport retune

    *NO up pipe
    *NO catback

    How can i be sure up pipe isn't catted? Not that i dont trust you is just that i've looked everywhere and can't find it.

    Thanks man!


    Sent from my iPhone using Tapatalk
    You can be sure that it is not catted because this is a well known fact. Someone else on here will chime in and confirm if you want, but I am assuring you it is not catted. I would also recommend adding a high quality BPV (like a forge unit) to your list. That list (plus the pro-tune of course) should get you darn close to your goals. If you ever had access to E85 it would probably exceed your goals. I would put some thought into some supporting suspension/brake mods at some point too. You don't want to have too much power for your platform to handle. Much more than your current plans, and you are looking at a full engine build. (very spensive). I added a grimmspeed 3-Port EBCS to my list...Some would say that the stock unit should be fine, but I got a good deal on mine and added it regardless (because I like spending money).

  14. #13
    Registered User
    Join Date
    Feb 2013
    Posts
    27
    Quote Originally Posted by 11blackSTi View Post
    You can be sure that it is not catted because this is a well known fact. Someone else on here will chime in and confirm if you want, but I am assuring you it is not catted. I would also recommend adding a high quality BPV (like a forge unit) to your list. That list (plus the pro-tune of course) should get you darn close to your goals. If you ever had access to E85 it would probably exceed your goals. I would put some thought into some supporting suspension/brake mods at some point too. You don't want to have too much power for your platform to handle. Much more than your current plans, and you are looking at a full engine build. (very spensive). I added a grimmspeed 3-Port EBCS to my list...Some would say that the stock unit should be fine, but I got a good deal on mine and added it regardless (because I like spending money).
    Man thanks a ton for your suggestions! Last one, headers (perrin) should i gp for big tube EL or regular EL? Plus, you didn't give me insights on why/how i could benefit more from headers instead of completing exhaust system (in terms of "breathing" part)

    Can't thank you enough for your time man, THANKS!


    Sent from my iPhone using Tapatalk

  15. #14
    zax
    zax is offline
    \_(ツ)_/ zax's Avatar
    Join Date
    Nov 2008
    Location
    Neverland Ranch, Maryland
    Posts
    13,473
    I Support ClubWRX I Support ClubWRX
    If stock turbo, then standard ELH
    2015 CWP WRX STi ... But how did I get roped back into an EJ motor?!
    Zax's utterly unimaginably stock 2015 STi build thread
    Zax's Shaggin' Wagon Build Thread Now tuned for 99% pure Unicorn Jizz!

    Zach | Moderator -- Mid-Atlantic States, Tech & Modifying & General Repairs
    Rollin' with the Bugeye Mafia #302 | N.E.R.D. Subject Zero
    Facebook me here

    Your Mid-A local board: http://www.clubwrx.net/forums/mid-atlantic-states/

  16. #15
    Registered User
    Join Date
    Feb 2013
    Posts
    27

    Upgrade suggestions

    Quote Originally Posted by zax View Post
    If stock turbo, then standard ELH
    Meaning that if somewhere along the road I want to change the stock turbo i would need to replace those for the big tube one?
    What if i go with the big tube one from the start?

    Sent from my iPhone using Tapatalk

+ Reply to Thread
Page 1 of 4 1234 LastLast

Quick Reply Quick Reply

Register Now

Please enter the name by which you would like to log-in and be known on this site.
If you do not want to register, fill this field only and the name will be used as user name for your post.

Please enter a password for your user account. Note that passwords are case-sensitive.

Please enter a valid email address for yourself. We strongly suggest that you stay away from using aol, yahoo, msn, and hotmail accounts. Sometimes the mail server blocks the emails from our server. As a result you will not receive any notifications including the confirmation email.

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.


Posting Permissions

  • You may post new threads
  • You may post replies
  • You may not post attachments
  • You may not edit your posts
  •