Just curious and couldn't find anything too relevant already posted...
Is it cost effective to put headers and an upipe (probably Tomei) in an 09 WRX?
Only reason I'm asking is because if I'm going to do it, I want to do it when I do my DP and tune. Since you have to pull the dp off to put the uppipe on I would rather just do it all in one install (probably hit the engine mounts then too).
I know the 09's no longer have cats anywhere before the turbo so I'm not really freeing anything up, except for a better flowing design. I'm also going to keep the unequal length setup so I keep my rumble.
Just need some recommendations/experience if anybody's put them on their 09's, whatever the brand/type.
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Tearing apart a brand new car because I love it
Personally I'm not going to mess with an aftermarket up pipe for quite awhile. It's just not that big of a difference until you're making some really big power. The headers would definitely make more power and a wider power band through the rpm's, but I really don't know much of the companies making the unequal length headers. Have a look at Boost Addict's build thread. He took an '08 (really similar to ours) and matched, then far surpassed a 2009 set up. Although he put equal length Perrin headers on. I wouldn't worry about the up pipe until you're going towards 350-400 at the wheels says the tuner and Subaru service techs (who own, mod, and race theirs) I talked to about it. Same with the intake, but I'd like to hear a little more of my turbo, lol. The Turbo back and tune will get you a nice grin for starters anyways =D The next thing I'm going to do is make the chassis more solid up front with bracing and get the rear sway bar w/end links. After that it'll be a whole new ball game on the pavement! Have fun!
Yeah I've pretty much started on the ground and am working my way up to more power. Sway bars definitely make a difference. As for the headers, I'm def. going with unequal. I've heard the equal length and just don't want to sound like that. Only problem is finding just a set of headers w/o the uppipe. The ones I would get, Tomei, only comes with their uppipe for about 800 dollars.
I'm starting to think though, at the 3-315hp level that I'm aiming for headers aren't that important.
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Tearing apart a brand new car because I love it
Just curious and couldn't find anything too relevant already posted...
Is it cost effective to put headers and an upipe (probably Tomei) in an 09 WRX?
Only reason I'm asking is because if I'm going to do it, I want to do it when I do my DP and tune. Since you have to pull the dp off to put the uppipe on I would rather just do it all in one install (probably hit the engine mounts then too).
I know the 09's no longer have cats anywhere before the turbo so I'm not really freeing anything up, except for a better flowing design. I'm also going to keep the unequal length setup so I keep my rumble.
Just need some recommendations/experience if anybody's put them on their 09's, whatever the brand/type.
first, yes its very effective to put them on but...
just my .02 but seems like everything you do to an 09 wrx, you then need to do something else! like going stage 2 with TBE, CAI and tune. great bang for the buck but your injectors and pump are maxed out. so you change them and get another pro tune. then you run into the problems of your car can make more then 19-20 psi to make power but your TMIC, 2 port EBCS, and BOV cant handle that. so you need to replace all three. then your kinda sorta done but if you want headers and a up pipe your gonna throw another 10-30 HP and TQ which you need to worry about the tranny. SO... with all that said buy and install the parts you want in order you want but remember by installing them your gonna max something else out and not use that part to its full potential!!
side note, you said " Since you have to pull the dp off to put the uppipe on I would rather just do it all in one install". DP bolts to the back of the turbo, uppipe bolts to the bottom of the turbo. you dont have to remove one to get to the other.
with a lot of reading my parts are gonna go on as follows, 1. due to money and 2. due to i think its the best order to see the fastest HP gains
1. light weight pulley
2. CBE
3. DP, CAI, open source pro tune
4. AP for all its functions and multi maps (no tune since its already done)
5. sway bars, end links, springs, pitch stop, mounts and tranny mount
6. injectors, fuel pump, 3 port EBCS, BOV, TMIC or FMIC, headers and uppipe, pro tune with AP
side note, you said " Since you have to pull the dp off to put the uppipe on I would rather just do it all in one install". DP bolts to the back of the turbo, uppipe bolts to the bottom of the turbo. you dont have to remove one to get to the other.
I know that but from what I hear you have to take off the dp to help get at the uppipe... And from doing a little engine recon I bet it does help... It's pretty tight in there (that's what she said).
As for supporting mods down the line I basically am planning to change all the piping in and out of the engine. I do want to run a FMIC and full turbo back, just uppipe and headers are in question. I also plan on a new turbo inlet pipe and the bov that comes with the fmic kit. As for the fuel system I hear it can handle what my goal is- 300 awhp. If it can't and I feel I'm maxing it out then I'll upgrade. I plan on a lot more power down the line when this car isn't my dd so I'd probably go with 800cc injectors, upgraded fuel rail and a 255 pump. I'll only do that if I see the need to though.
The tranny is always in question but at 300 awhp I'm not too concerned about it. Plus, if it breaks, then i just fix it with something stronger. That is also on my list for the upgrades down the line a few years.
The only thing I think I'll stay away from is the crank pulley... Too much debate on if it causes issues in the upper RPMs without the dampening on it. I spend a decent amount of time in the upper RPMs being so close to the salt flats so I don't want to risk it.
I guess I can list my parts now and see what you guys think.
Current:
COBB CBE
Perrin CAI
Perrin 25mm front swaybar and endlinks
Perrin 22mm rear swaybar and endlinks
Perrin Rear Subframe Lockdown Kit
Kartboy SS with front and rear bushings
ProSport Boost Gauge
RallyArmor Mudflaps (+50 hp)
Plan:
ProSport EGT or AFR Gauge
Perrin Turbo Inlet Pipe
Perrin Limited FMIC w/recirc BOV
STi Engine Mounts
STi Tranny Mounts
Kartboy Pitch Mount
Tomei Un-Equal Length Headers w/Uppipe
Front Strut Tower Brace
Perrin DP w/Accessport and Perrin Stage II Map (Stage III once intercooler install complete)
I'm thinking that will put me in the 300+ awhp range
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Tearing apart a brand new car because I love it
well from what ive seen, OS tune, TBE and CAI will get you in the 270-280hp range and your injectors will be at 95% maxed. header/uppipe should get you more HP and TQ but i dont think your gonna get to 300 with the stock fuel system. i think trying to bring out the header/uppipe potential will suffer since the injectors will be maxed. if you really want to get to 300HP just buy a pump and injectors, not sure what your header/uppipe will run you but pump and injectors are only $280-480 depending on if you trade your stock ones. for $280 for pump and injectors, TBE ($624), CAI ($175) and pro tune ($350)=$1429 is a STEAL for 300HP!! of course your prob not gonna hit 300 on a mustang but you should on a dyno jet or the one that messures at the hubs.
as for the crank pulley i think man show has 30,000+ on one and i have drag strip and 1k on one and 9/10 say the stock one is not a dampener
Any idea what kind of tuning I'm looking at with 750cc injectors, 255 fuel pump and maybe fuel rails? Aka would Perrin be able to send me a map for this or are we looking at a protune?
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Tearing apart a brand new car because I love it
A protune would be your best bet. Having the car under load to tweak it and make the corrections as you see them needing to be. But thats just how I would go about it. Im sure Perrin could send you a base map, you log it, send it to them, the tweak it, and so on and so forth until you are happy. Or spend an hour or so and get it done on a dyno or road tune.
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Joshua
"2007 WRX-20G- Tim Bailey tuned 326 HP 319 ft/lbs
Stage 2 2005 WRX
Cobbtuning.com"
Any idea what kind of tuning I'm looking at with 750cc injectors, 255 fuel pump and maybe fuel rails? Aka would Perrin be able to send me a map for this or are we looking at a protune?
even if they could send you a map i wouldnt use it. one there car is not your car. two you can make more HP with a pro tune set up just for your car. and three, perrin will send you a "safe" map, meaning they dont want to be responsible if your motor blows up so the car will prob not reach its full potential. my dyno guy will charge $350 for dyno tuning and street tuning. i think its a good deal to see everything my car will be doing and for the amount of time he'll be doing it.
Last edited by synolimit : 10-28-2009 at 10:39 AM.
Well I guess I live 45 minutes from the COBB headquarters... Too bad they charge $200/hr for awd dyno tuning. Anybody in Utah know of any other reputable tuners in the SLC area?
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Tearing apart a brand new car because I love it
Well I guess I live 45 minutes from the COBB headquarters... Too bad they charge $200/hr for awd dyno tuning. Anybody in Utah know of any other reputable tuners in the SLC area?
i got my guy from COBB wed site for Cobb tuners in my area. punch in your zip see who comes up
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