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Old 04-05-2016, 02:32 PM   #1
kmhall89
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Join Date: Apr 2016
Location: Pennsylvania
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2016 Subaru WRX STI
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Hello
About 6 months ago i bought a new 2015 wrx STI limited edition. I put on an invidia exhaust ( which i wish i would have went with a nameless performance ) and a cold air intake. I am looking for some suggestions on what some recommendations are for the next steps in performance. I do have an access tuner and had it thrown on the dyno and configure it. Also i was told to invest in blizzak all season tires, but didnt know what models everyone suggested. Also any suggestions on new headlights and taillights?
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Old 04-05-2016, 02:40 PM   #2
Loyale93
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Chapter/Region: NESIC
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'13 XV Crosstrek,12
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1) Please fill out your profile. It will tell us where you live so we can better make recommendations.
2) Hopefully you had the Accessport tune before you went out driving for too long with exhaust and intake.
3) What do you feel the car is lacking in performance? Brakes? Handling? Power? Are you tracking it? Hard Parking? Have a budget? Answer those questions yourself and then ask a specific question, not just "what's next?" There is no linear path for "performance", as performance means different things to different people.
4) Blizzak doesn't make all season tires. They are winter tires. Which leads back to Question #1. Where do you live and do you actually need winter tires? If you get snow, the answer is yes. www.tirerack.com Or our tire/wheel section.
5) Why do you need new head/tail lights? What's wrong with the stock ones that you want to change? Then maybe someone can make a suggestion on new ones.


Welcome to the forum. You need to learn to be specific in your questions. Otherwise you're going to just get a spaghetti against the wall list of responses. Which is useless.
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Old 04-05-2016, 02:52 PM   #3
kmhall89
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Sorry i am new to reaching out on Forums. I updated my profile. I live in Pennsylvania. I installed the exhaust and the intake, and within a week had it to someone to throw it on the dyno with an access tuner.

as far as performance, i feel like its lacking a little in power. I spoke with some people and they said start with fuel injectors, Blow off valves. There are a lot of things i would like to do, but with having a family and kids, my budget isnt all available, but over time would like to have it amped up a bit. ( i personally wouldnt mind using it as a drag car )

for the headlights and tail lights i like the smoked out look.

Also i had the downpipe installed, and currently have an uppipe but i dont have that installed. I was told not to bother because it doesnt make a difference. Any thoughts on that?
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Old 04-05-2016, 03:48 PM   #4
Loyale93
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'13 XV Crosstrek,12
1050 Triumph Speed Triple

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Read this:
http://forums.nasioc.com/forums/showthread.php?t=533787
All of it.

That will answer your question about BOV's, Up Pipes, etc.
Someone told you to start with injectors? That's interesting... The most common way to get more power from the start, and keep it inexpensive and reliable is to go Stage 2, which you have if you have a downpipe. You should be around 370bhp as is. That's not enough for you for just daily driving? Not judging, just asking.

Injectors are fine.
Turbo swaps are good.

Just be aware that you're starting to get into the more expensive world of mods.
That and you're going to need (typically) custom tunes. So you should really go find your local tuner and talk with them about your power goals, your budget, and what can be done.

There are lots of ways of getting the smoked out look on lights. Crack them open and paint them, overlays, or even just buy replacement units. Search around.

If you truly want a drag car, you chose the wrong platform. You could buy an 87 Mustang and for $5k and get better trap speeds/times than with your brand new STI.
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Old 04-05-2016, 03:48 PM   #5
ColdSoda
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up pipe will free up 10 or 15 hp on the top of the power curve.

a blow off valve does NOT make power. you don't need one until you go with a bigger turbo, even then please stay with a full recirc....

you would only need injectors if you went with either a) bigger turbo, or b) e85. youll also need a fuel pump. and maybe more based on your tuner's recommendations.

your next power increase will start costing a lot of money. I mean lots of money, because you'll likely need to build your block to take any more SAFE and RELIABLE power beyond your stock turbo's capabilities. some will argue this, but just know once you start down this path... you'll need deep pockets regardless.
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Old 04-05-2016, 04:10 PM   #6
Gallo2011
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Quote:
Originally Posted by ColdSoda View Post
up pipe will free up 10 or 15 hp on the top of the power curve.

a blow off valve does NOT make power. you don't need one until you go with a bigger turbo, even then please stay with a full recirc....

you would only need injectors if you went with either a) bigger turbo, or b) e85. youll also need a fuel pump. and maybe more based on your tuner's recommendations.

your next power increase will start costing a lot of money. I mean lots of money, because you'll likely need to build your block to take any more SAFE and RELIABLE power beyond your stock turbo's capabilities. some will argue this, but just know once you start down this path... you'll need deep pockets regardless.
From what I've read here, higher flowing injectors and fuel pump are necessary at "stage 2" power levels for the '15 STI.
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Old 04-05-2016, 04:23 PM   #7
ColdSoda
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2008 SPEC B

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Quote:
Originally Posted by Gallo2011 View Post
From what I've read here, higher flowing injectors and fuel pump are necessary at "stage 2" power levels for the '15 STI.
technically Cobb doesn't say you "need" injectors for "stage 2".. however, bigger injectors are never a bad idea. Its much better to have more than you need, than to be at 95%+ duty cycle.

A lot of guys will do injectors at stage 2 to make sure they have it tuned with enough fuel to run safely. depends on the tuner and where the car is at and what fuel he's on.
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Old 04-05-2016, 04:29 PM   #8
Loyale93
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Quote:
Originally Posted by ColdSoda View Post
technically Cobb doesn't say you "need" injectors for "stage 2".. however, bigger injectors are never a bad idea. Its much better to have more than you need, than to be at 95%+ duty cycle.

A lot of guys will do injectors at stage 2 to make sure they have it tuned with enough fuel to run safely. depends on the tuner and where the car is at and what fuel he's on.
This. While it may not be required, it's never a bad idea. If the car senses that you're running too lean for whatever reason, and the injectors are already at 95% duty, it's difficult to add more fuel at that point.
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Old 04-09-2016, 10:54 PM   #9
fatcat003
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I keep Blizzaks on my '05 STi during the winters and they've kept me firmly attached to the road during many a snow storm in MA and PA.
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