| NRTmotorsports | 01-29-2007 05:18 PM |
Help me get from SM to STX
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Ok I have been running my setup in SM Solo II now for a few seasons. I want to make the jump down to STX but I am having a little trouble understanding the rules. I know I will have to remove a few mods. just not sure exactly what. Here is my current setup
'03 WRX sedan
Kuhmo V710s on stockers
STI struts with RSR springs
Cusco lower arm bar
larger rear sway bar
Steering rack bushings
Short throw shifter
Upgraded pads and slotted rotors with SS lines
Lightened crank pulley
Samco IC hoses
Upper strut bar up front
K&N drop in with silencer removed
Catless downpipe and Uppipe with stock STI catback
Larger STI style hood scoop
Removed stock rear spoiler (now wingless)
Debaged if that matters
I think thats it, everything else is stock however I may go VF34 with proper upgrades. I am not very competitive in SM and wanna drop down to STX. Im just not 100% sure what I would need to change on my current setup?? Any help would be great. Thanks
'03 WRX sedan
Kuhmo V710s on stockers
STI struts with RSR springs
Cusco lower arm bar
larger rear sway bar
Steering rack bushings
Short throw shifter
Upgraded pads and slotted rotors with SS lines
Lightened crank pulley
Samco IC hoses
Upper strut bar up front
K&N drop in with silencer removed
Catless downpipe and Uppipe with stock STI catback
Larger STI style hood scoop
Removed stock rear spoiler (now wingless)
Debaged if that matters
I think thats it, everything else is stock however I may go VF34 with proper upgrades. I am not very competitive in SM and wanna drop down to STX. Im just not 100% sure what I would need to change on my current setup?? Any help would be great. Thanks
| BlkWRXWag | 01-29-2007 05:51 PM |
At first glance, I think you would need to...
-buy street tires no wider than 245 and a treadwear rating >140
-make sure they are mounted on a wheel no wider than 8".
-remove Cusco lower arrm bar
-remove Samco IC hoses
-replace catless downpipe with catted version
-replace STI hood scoop with stocker
-replace wing.
-buy street tires no wider than 245 and a treadwear rating >140
-make sure they are mounted on a wheel no wider than 8".
-remove Cusco lower arrm bar
-remove Samco IC hoses
-replace catless downpipe with catted version
-replace STI hood scoop with stocker
-replace wing.
| thrdeye | 01-29-2007 05:56 PM |
WRX's can go wingless since the wing is optional from teh factory
edit: as long as there's a brake light in the rear dash.
edit: as long as there's a brake light in the rear dash.
| BlkWRXWag | 01-29-2007 06:01 PM |
Oh - that's right. Josh Sortor was wingless.
| leecea | 01-29-2007 06:08 PM |
I assume you'd be doing all this de-modding because you want to be competitive in STX, which probably means doing some suspension upgrades and getting something other than stock wheels. If you don't care too much about being competitive, why make all the changes?
| Scooby South | 01-29-2007 06:17 PM |
[QUOTE=NRTmotorsports;16854007]Ok I have been running my setup in SM Solo II now for a few seasons. I want to make the jump down to STX but I am having a little trouble understanding the rules. I know I will have to remove a few mods. just not sure exactly what. Here is my current setup
'03 WRX sedan
Kuhmo V710s on stockers...[B]Up to a 245 wide tire of any size...I would probably reccomend 17's[/B]
STI struts with RSR springs ... [B]fine[/B]
Cusco lower arm bar...[B].gone..[/B]..
larger rear sway bar...[B]fine[/B]
Steering rack bushings...[B]have to go back to stockers;)[/B]
Short throw shifter..[B]fine..[/B]
Upgraded pads and slotted rotors with SS lines...[B]fine[/B]...
Lightened crank pulley...[B]fine[/B]...
Samco IC hoses..[B].fine[/B].....
Upper strut bar up front...[B]fine..[/B].
K&N drop in with silencer removed...[B]fine[/B]...
Catless downpipe and Uppipe with stock STI catback....[B]catted downpipe[/B]
Larger STI style hood scoop ...[B]stocker[/B]
Removed stock rear spoiler (now wingless)...[B]fine[/B]
Debaged if that matters...[B]fine[/B]
I think thats it, everything else is stock however I may go VF34 with proper upgrades. I am not very competitive in SM and wanna drop down to STX. Im just not 100% sure what I would need to change on my current setup?? Any help would be great. Thanks[/QUOTE]
No turbo or boost mods...fuel and timing only map
might consider coilovers
headers are allowed
uppipe is allowed
Seat changes are allowed.
no LSD cept the stock vicous coupling
strutbars are allowed front and rear...
I think thats about it...
Bill
'03 WRX sedan
Kuhmo V710s on stockers...[B]Up to a 245 wide tire of any size...I would probably reccomend 17's[/B]
STI struts with RSR springs ... [B]fine[/B]
Cusco lower arm bar...[B].gone..[/B]..
larger rear sway bar...[B]fine[/B]
Steering rack bushings...[B]have to go back to stockers;)[/B]
Short throw shifter..[B]fine..[/B]
Upgraded pads and slotted rotors with SS lines...[B]fine[/B]...
Lightened crank pulley...[B]fine[/B]...
Samco IC hoses..[B].fine[/B].....
Upper strut bar up front...[B]fine..[/B].
K&N drop in with silencer removed...[B]fine[/B]...
Catless downpipe and Uppipe with stock STI catback....[B]catted downpipe[/B]
Larger STI style hood scoop ...[B]stocker[/B]
Removed stock rear spoiler (now wingless)...[B]fine[/B]
Debaged if that matters...[B]fine[/B]
I think thats it, everything else is stock however I may go VF34 with proper upgrades. I am not very competitive in SM and wanna drop down to STX. Im just not 100% sure what I would need to change on my current setup?? Any help would be great. Thanks[/QUOTE]
No turbo or boost mods...fuel and timing only map
might consider coilovers
headers are allowed
uppipe is allowed
Seat changes are allowed.
no LSD cept the stock vicous coupling
strutbars are allowed front and rear...
I think thats about it...
Bill
| j-rho | 01-29-2007 06:25 PM |
Steering rack bushings are legal in ST as long as they don't have any higher % metal than did the stock ones.
Dunno what a Samco IC hose is, but if it, or the clamps holding it, are any better than stock, they're not legal for Stock or ST. You don't get to improve those things, even if it's just for reliability's sake, in Stock or ST. A big part of why you don't see so many stock FD's being campaigned any more...
Dunno what a Samco IC hose is, but if it, or the clamps holding it, are any better than stock, they're not legal for Stock or ST. You don't get to improve those things, even if it's just for reliability's sake, in Stock or ST. A big part of why you don't see so many stock FD's being campaigned any more...
| KC | 01-29-2007 06:46 PM |
Kuhmo V710s on stockers - Any wheel up to 8" wide. Tires treadwear 140 or higher. No R-comps
Samco IC hoses - Nope
Catless downpipe and Uppipe with stock STI catback - As long as there's at least one cat in the system... uppipe, downpipe or 3rd location. Any can be high-flow.
--kC
Samco IC hoses - Nope
Catless downpipe and Uppipe with stock STI catback - As long as there's at least one cat in the system... uppipe, downpipe or 3rd location. Any can be high-flow.
--kC
| NRTmotorsports | 01-29-2007 06:56 PM |
Yes I still have the 3rd cat in place so that would be legal in STX? I figured I can put the stock ic hoses back on. As far as the V710s they would be on the stock 16s prolly run like a 215/40 ish. What else?? Put on the stock scoop and I should be good? Hmmm? Not so bad may be worth it. Thanks
| KC | 01-29-2007 07:11 PM |
The V710s wouldn't be allowed... those are R-comps. If you have the 3rd cat, that's all good in that dept. Scoop would be stock also. Just as long as you're not running any changes to your boost tables in your ecu.
--kC
--kC
| MFR Sweep | 01-29-2007 07:40 PM |
you could always go with a wrx low wing.
I believe you can add or replace, but not remove
I believe you can add or replace, but not remove
| KC | 01-29-2007 07:42 PM |
[QUOTE=MFR Sweep;16855808]you could always go with a wrx low wing.
I believe you can add or replace, but not remove[/QUOTE]
Wing was an option on a WRX.
I believe you can add or replace, but not remove[/QUOTE]
Wing was an option on a WRX.
| MFR Sweep | 01-29-2007 07:52 PM |
[QUOTE=KC;16855834]Wing was an option on a WRX.[/QUOTE]
whoops, thought we were talking about an STI
whoops, thought we were talking about an STI
| KC | 01-29-2007 07:55 PM |
[QUOTE=MFR Sweep;16855919]whoops, thought we were talking about an STI[/QUOTE]You know... some people call me old... :lol:
| MFR Sweep | 01-29-2007 08:03 PM |
[QUOTE=KC;16855957]You know... some people call me old... :lol:[/QUOTE]
it was partly me looking to snag an STI trunk on a trade ;)
but a whole lot more of me completely missing the "03 WRX Sedan" thing :lol:
it was partly me looking to snag an STI trunk on a trade ;)
but a whole lot more of me completely missing the "03 WRX Sedan" thing :lol:
| stil2stock | 01-30-2007 12:23 AM |
You might still be legal for ESP, chief. you can run catless, can run slicks, i THINK (double check me) the steering rack bushings are ok, not sure on the arm bar, but everything else should be fine for ESP. Thats what i run in, and its fun if there are enough ESP cars in your area - i love taking on mustangs and camaros on slicks (i run on azenis and am competitive locally).
| Impreza_AWDriver | 01-30-2007 01:17 AM |
One big thing not mentioned yet is Coilovers that give you negative camber up front. Our Subies benefit greatly with about -2 to -3 camber.
+1 for ESP. You are not far off from being competitive there.
Sell the STI struts to a Forester guy(I am one) and get some coilovers. They are always looking to lower their ride height. I have been running Megan Racing Coilovers made for a WRX on my Forester 2.5 XT now for around 16 months with no major issues. I also took the 2006 year long championship on them in ESP here in SoCal.
+1 for ESP. You are not far off from being competitive there.
Sell the STI struts to a Forester guy(I am one) and get some coilovers. They are always looking to lower their ride height. I have been running Megan Racing Coilovers made for a WRX on my Forester 2.5 XT now for around 16 months with no major issues. I also took the 2006 year long championship on them in ESP here in SoCal.
| live_2race | 01-30-2007 03:04 AM |
A note about STX. Unless you are really beating everyones pants off I don't think anyone would say anything about the STi scoop. And the intercooler hoses? Are they really going to change your boost or horsepower.
Before you go out and do all that you might want to ask the local guys you run with to see how strict they are.
Now if you are winning all the time and planning to go to nationals that is a different story. Its all about having fun and not going broke doing it.
Before you go out and do all that you might want to ask the local guys you run with to see how strict they are.
Now if you are winning all the time and planning to go to nationals that is a different story. Its all about having fun and not going broke doing it.
| KC | 01-30-2007 08:46 AM |
[QUOTE=live_2race;16860461]Before you go out and do all that you might want to ask the local guys you run with to see how strict they are.[/QUOTE]It doesn't make one bit of difference IMHO. Run legally. (See my other, greatly mis-understood, thread for rally-x). NRT has been in the game long enough and is not a n00b to the rules and I have full confidence he wouldn't try and run a car that's not classed right.
live_2race....If all regions would adopt this kind of attitude, there wouldn't be anyone on the net saying 'it's ok if there's a few things off/different'. Class people accordingly and there's no more arguments, anywhere, as to what can pass within a class and what can't. It's in the book. There's a book for a reason, so most questions can be answered. It resolves most, not all, ambiguity.
NRTs region classes people by the book. It's the same region I [I]participate[/I] in.
--kC
live_2race....If all regions would adopt this kind of attitude, there wouldn't be anyone on the net saying 'it's ok if there's a few things off/different'. Class people accordingly and there's no more arguments, anywhere, as to what can pass within a class and what can't. It's in the book. There's a book for a reason, so most questions can be answered. It resolves most, not all, ambiguity.
NRTs region classes people by the book. It's the same region I [I]participate[/I] in.
--kC
| thrdeye | 01-30-2007 10:04 AM |
yep. If you are getting to the point where you want to get competitive, run legally....and unfortunately you aren't going to get that car "competitive" in ESP for any small amount of money.
With that said, we had a gentleman's agreement to let me run my STi scoop locally in STX last year, cuz I just flat out like the look of it. I reverted to the stock scoop for all non-local events, though. The STi scoop is not going to be as much of a benefit as a catless exhaust or some intercooler hoses though.....I wouldn't even ask to run something that wasn't 99% cosmetic (like a hood scoop). This year, if I had remained in STX I would have run the stocker all year long b/c I am running our pro/pax class now.
I lucked out though..... instead of getting to drive around with an STi scoop this year, I get to (co)drive around in an STi :D
With that said, we had a gentleman's agreement to let me run my STi scoop locally in STX last year, cuz I just flat out like the look of it. I reverted to the stock scoop for all non-local events, though. The STi scoop is not going to be as much of a benefit as a catless exhaust or some intercooler hoses though.....I wouldn't even ask to run something that wasn't 99% cosmetic (like a hood scoop). This year, if I had remained in STX I would have run the stocker all year long b/c I am running our pro/pax class now.
I lucked out though..... instead of getting to drive around with an STi scoop this year, I get to (co)drive around in an STi :D
| Scooby South | 01-30-2007 12:06 PM |
[QUOTE=Scooby South;16854732]No turbo or boost mods...fuel and timing only map
[B]might consider coilovers[/B]
headers are allowed
uppipe is allowed
Seat changes are allowed.
no LSD cept the stock vicous coupling
strutbars are allowed front and rear...
I think thats about it...
Bill[/QUOTE]
[QUOTE=Impreza_AWDriver;16859803][B]One big thing not mentioned yet is Coilovers [/B][^^^^]that give you negative camber up front. Our Subies benefit greatly with about -2 to -3 camber.
+1 for ESP. You are not far off from being competitive there.
Sell the STI struts to a Forester guy(I am one) and get some coilovers. They are always looking to lower their ride height. I have been running Megan Racing Coilovers made for a WRX on my Forester 2.5 XT now for around 16 months with no major issues. I also took the 2006 year long championship on them in ESP here in SoCal.[/QUOTE]
[QUOTE=KC;16861391]It doesn't make one bit of difference IMHO. Run legally. (See my other, greatly mis-understood, thread for rally-x). NRT has been in the game long enough and is not a n00b to the rules and I have full confidence he wouldn't try and run a car that's not classed right.
live_2race....If all regions would adopt this kind of attitude, there wouldn't be anyone on the net saying 'it's ok if there's a few things off/different'. Class people accordingly and there's no more arguments, anywhere, as to what can pass within a class and what can't. It's in the book. There's a book for a reason, so most questions can be answered. It resolves most, not all, ambiguity.
NRTs region classes people by the book. It's the same region I [I]participate[/I] in.
--kC[/QUOTE]
I agree with KC on this...why even consider it...Oh and I DID mention coilovers in my first post..:rolleyes:
Bill
[B]might consider coilovers[/B]
headers are allowed
uppipe is allowed
Seat changes are allowed.
no LSD cept the stock vicous coupling
strutbars are allowed front and rear...
I think thats about it...
Bill[/QUOTE]
[QUOTE=Impreza_AWDriver;16859803][B]One big thing not mentioned yet is Coilovers [/B][^^^^]that give you negative camber up front. Our Subies benefit greatly with about -2 to -3 camber.
+1 for ESP. You are not far off from being competitive there.
Sell the STI struts to a Forester guy(I am one) and get some coilovers. They are always looking to lower their ride height. I have been running Megan Racing Coilovers made for a WRX on my Forester 2.5 XT now for around 16 months with no major issues. I also took the 2006 year long championship on them in ESP here in SoCal.[/QUOTE]
[QUOTE=KC;16861391]It doesn't make one bit of difference IMHO. Run legally. (See my other, greatly mis-understood, thread for rally-x). NRT has been in the game long enough and is not a n00b to the rules and I have full confidence he wouldn't try and run a car that's not classed right.
live_2race....If all regions would adopt this kind of attitude, there wouldn't be anyone on the net saying 'it's ok if there's a few things off/different'. Class people accordingly and there's no more arguments, anywhere, as to what can pass within a class and what can't. It's in the book. There's a book for a reason, so most questions can be answered. It resolves most, not all, ambiguity.
NRTs region classes people by the book. It's the same region I [I]participate[/I] in.
--kC[/QUOTE]
I agree with KC on this...why even consider it...Oh and I DID mention coilovers in my first post..:rolleyes:
Bill
| NRTmotorsports | 02-02-2007 04:52 PM |
Hmmm I never thought of ESP. So let me ask this with my current setup what would you do if you were in my shoes? Stay in SM, go to STX or ESP. I havent purchased my V-710s yet so I could consider something else in that price range, I was thinking a vf34 upgrade but i dunno. Currently I am not to competitive in SM and will probably stay that way due to some pretty sweet cars in that class that I dont stand a chance beating, dont get me wrong im not out there to win every week just be a little more competitive. I could jump down to STX and forget the r-compounds and take off the illegal parts for that class, or possibly ESP however I dont pay to much attention to that class so I have no idea what i would be up against?? Hmmm I just dont know:confused:
| stil2stock | 02-02-2007 05:16 PM |
[QUOTE=NRTmotorsports;16910894]Hmmm I never thought of ESP. So let me ask this with my current setup what would you do if you were in my shoes? Stay in SM, go to STX or ESP. I havent purchased my V-710s yet so I could consider something else in that price range, I was thinking a vf34 upgrade but i dunno. Currently I am not to competitive in SM and will probably stay that way due to some pretty sweet cars in that class that I dont stand a chance beating, dont get me wrong im not out there to win every week just be a little more competitive. I could jump down to STX and forget the r-compounds and take off the illegal parts for that class, or possibly ESP however I dont pay to much attention to that class so I have no idea what i would be up against?? Hmmm I just dont know:confused:[/QUOTE]
I didn't look over your mod list that carefully (and i dont know how complete the list is), but if it was me, i'd go ESP. SM is nearly impossible for WRX/STi's - you're up against purpose-built turbo civic hatches and other small, better handling [sometimes not even street legal] kit. ESP allows A LOT of room for modding if you read the rules carefully. Just dont touch the stock turbo at all, and you can pretty much go to town. Slicks are legal, though i've never had the funds to run on them.
Usually, in the regions i've run in (Indianapolis, triangle region NC, now New Orleans/ Baton Rouge) ESP is mostly mustang(cobras), V8 camaros and the like, on slicks. Honestly, those beasts make for real good competition, and I'm only running Cobb's off-the-shelf stage 2 and prodrive springs/KYB shocks/Cobb sways - the subys just handle a million times better. On my azenis, I usually stay competitive ( i have a habit of 2nd place wins). In my current region, there is a mustang cobra on V710s with two drivers, and at almost every event, I split the two drivers' times, so its a lot of fun. If you have the funds to mod to the ESP rules limits, you'd be very competitive (read, PnP everything, water injection, good tune, camber plates, coilovers)
STX is a great suby class, but you'd have to de-mod A LOT to be legal, and then the car wouldnt be as much fun on the street - IMHO anyway. If you're just out to have fun, it doesnt really matter :alien:
CN: I'd go ESP, more room for modding, fun competition
I didn't look over your mod list that carefully (and i dont know how complete the list is), but if it was me, i'd go ESP. SM is nearly impossible for WRX/STi's - you're up against purpose-built turbo civic hatches and other small, better handling [sometimes not even street legal] kit. ESP allows A LOT of room for modding if you read the rules carefully. Just dont touch the stock turbo at all, and you can pretty much go to town. Slicks are legal, though i've never had the funds to run on them.
Usually, in the regions i've run in (Indianapolis, triangle region NC, now New Orleans/ Baton Rouge) ESP is mostly mustang(cobras), V8 camaros and the like, on slicks. Honestly, those beasts make for real good competition, and I'm only running Cobb's off-the-shelf stage 2 and prodrive springs/KYB shocks/Cobb sways - the subys just handle a million times better. On my azenis, I usually stay competitive ( i have a habit of 2nd place wins). In my current region, there is a mustang cobra on V710s with two drivers, and at almost every event, I split the two drivers' times, so its a lot of fun. If you have the funds to mod to the ESP rules limits, you'd be very competitive (read, PnP everything, water injection, good tune, camber plates, coilovers)
STX is a great suby class, but you'd have to de-mod A LOT to be legal, and then the car wouldnt be as much fun on the street - IMHO anyway. If you're just out to have fun, it doesnt really matter :alien:
CN: I'd go ESP, more room for modding, fun competition
| KC | 02-02-2007 05:52 PM |
[QUOTE=stil2stock;16911223]If you're just out to have fun, it doesnt really matter :alien: [/QUOTE]Exactly.
Then again, in our region in ESP, there's Fedja Jeleskovic and Charles Moss in the Eagle Talon. (Fedja finished 3rd at Nats in an ESP talon after blowing it up after his 1st run on the 2nd day. Last 2 runs were in a borrowed car). SM with Daddio and a few others? Nope.
STX in our region would probably be the best option if he wanted to be "competitive".
If he wanted to just have fun, any class will do. :) It's up to him in what he wants.
--kC
Then again, in our region in ESP, there's Fedja Jeleskovic and Charles Moss in the Eagle Talon. (Fedja finished 3rd at Nats in an ESP talon after blowing it up after his 1st run on the 2nd day. Last 2 runs were in a borrowed car). SM with Daddio and a few others? Nope.
STX in our region would probably be the best option if he wanted to be "competitive".
If he wanted to just have fun, any class will do. :) It's up to him in what he wants.
--kC
| NRTmotorsports | 02-02-2007 05:53 PM |
Well looks like im off to read the rules. One other question are V-710s legal in a stock class? I can think of at least 3 locals who run them in a stock class, just curious cuz i now know that they are illegal in STX? Well thanks for the help I gonna go look into the rules.
| KC | 02-02-2007 05:55 PM |
Yes. V710s are legal in stock.
In ST*, there's a rule that tires have to be treadwear 140 or higher. Most R-Compounds, if not all, are below that. That's one thing that differentiates ST* from Stock rules for tires.
In ST*, there's a rule that tires have to be treadwear 140 or higher. Most R-Compounds, if not all, are below that. That's one thing that differentiates ST* from Stock rules for tires.
| Scooby921 | 02-03-2007 02:02 AM |
[QUOTE=MFR Sweep;16855808]you could always go with a wrx low wing.
I believe you can add or replace, but not remove[/QUOTE]
[QUOTE=KC;16855834]Wing was an option on a WRX.[/QUOTE]
I was under the same impression as MFR Sweep. I guess I need to go read the rules again. I thought you weren't allowed to remove a wing, but you are allowed to add or replace with a wing up to 8 sqft of surface area. Or is that were the 3rd brake light comes into effect. If you remove the wing you need to add the 3rd light in the rear window?
Aside from that uncertainty with the rule, Bill's post (#6) is right on. I'll only add that if you replace the seats with lighter racing seats they still must have a minimum weight of 25lbs.
I believe you can add or replace, but not remove[/QUOTE]
[QUOTE=KC;16855834]Wing was an option on a WRX.[/QUOTE]
I was under the same impression as MFR Sweep. I guess I need to go read the rules again. I thought you weren't allowed to remove a wing, but you are allowed to add or replace with a wing up to 8 sqft of surface area. Or is that were the 3rd brake light comes into effect. If you remove the wing you need to add the 3rd light in the rear window?
Aside from that uncertainty with the rule, Bill's post (#6) is right on. I'll only add that if you replace the seats with lighter racing seats they still must have a minimum weight of 25lbs.
| thrdeye | 02-03-2007 06:33 AM |
If there is a 3rd brak light, it has to maintain it's functionality. As EVOs do not have brake lights in the rear wing, they can repace their's
| PhilC | 02-03-2007 08:33 AM |
[QUOTE=Scooby921;16915823]I was under the same impression as MFR Sweep. I guess I need to go read the rules again. I thought you weren't allowed to remove a wing, but you are allowed to add or replace with a wing up to 8 sqft of surface area. Or is that were the 3rd brake light comes into effect. If you remove the wing you need to add the 3rd light in the rear window?[/QUOTE]
The point is you could get a stock WRX with no wing at all, while the vast majority of them, at least in this area, came with a wing there were some without. Since this is a stock legal configuration it's also a STX legal one. Giant 8 square foot wing, factory wing, no wing are all legal on a WRX in STX. The wing doesn't weigh much at all and I kind of like being different and actually having one when we go to a Pro where pretty much everyone else has sourced a wingless trunk (or started with a wingless model).
An STi cannot go completely wingless in STU though since there is still no option for completely wingless (even the STI limited has a little lip spoiler I think), the standard WRX wing is perfectly legal though.
The point is you could get a stock WRX with no wing at all, while the vast majority of them, at least in this area, came with a wing there were some without. Since this is a stock legal configuration it's also a STX legal one. Giant 8 square foot wing, factory wing, no wing are all legal on a WRX in STX. The wing doesn't weigh much at all and I kind of like being different and actually having one when we go to a Pro where pretty much everyone else has sourced a wingless trunk (or started with a wingless model).
An STi cannot go completely wingless in STU though since there is still no option for completely wingless (even the STI limited has a little lip spoiler I think), the standard WRX wing is perfectly legal though.
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