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  1. General Maintenance, Troubleshooting & Accidents.
    I am having a very difficult time diagnosing my 2004 Automatic WRX and want an opinion from some expert Subi masters. Problem: I am unable to rev past 4500 RPM, I get little (0.5 PSI) to no boost but I am able to hear my blow-off valve activate and my turbo spooling. I get horrible gas mileage...
  2. General Maintenance, Troubleshooting & Accidents.
    Hi guys, As you can tell from the title, my 2004 Subaru WRX is throwing a P2431 and P2433 codes which are both related to Secondary Air Injection System. Now I'm debating on if I should completely delete it or try and replace the part of the system that is faulty. What would make more sense to...
  3. Exterior & Appearance
    Hi everyone, I have a mostly stock 2004 WRX sedan, but recently upgraded to 2004-era BBS 17" forged wheels. My stock calipers from the original owner are a bit beat up and rusty and I'm thinking of upgrading to the 2006 WRX stock red calipers like the ones in this eBay listing: Genuine SUBARU...
  4. General Maintenance, Troubleshooting & Accidents.
    Hi all, After 168k miles my beloved WRX wagon (I bought it from the first owner in 2005) got a flashing "Check Engine" light on the way up to the mountains. It was idling oddly and shaking unevenly. I had it towed to a Subaru dealership and they said it was an error Code P03101 and after...
  5. Suspension & Wheels
    I just bought an 04 rex. The guy put some sort of ebay coilovers that are pretty adjustable and not all that terrible especially for ebay, but I'm not sure to what degree I can change the height. I wanna change the ride height to about stock +1-2" as cheaply as possible, and I wanna know if it's...
  6. Electronics/Car Audio
    New here, so whatsup y’all! Firstly, I’m so glad I found this website/group for alike car owners, that’s so cool lol! 🙏🏽 This whole thing might sound dumb, but I obviously don’t know and want to make sure hence me writing this. Anyway, I recently got a 2004 Impreza wrx from Japan, and it...
  7. Vehicles for sale
    2004 Stage II WRX Wagon for Sale in CA (Bay Area) 2004 WRX Wagon, Rally Blue, 5 speed manual. I purchased it new and am the sole owner, and have put all 89,250 miles on it myself (mostly highway). As you all know, we treat these things like we would treat our children, so it’s in great shape...
  8. Engine Modifications
    Dear Club WRX; How difficult is installing a 2004 STi engine in a 2004 WRX? The engine in my WRX overheated and is wrecked. Junk yards sell used WRX engines for about $4,000, but they are not easy to come by. A new WRX engine (without turbo or intake or exhaust, etc.) costs about $6,000. Labor...
  9. Personal For Sale & Wanted
    I am looking for a dash cup holder assembly. The one that pops out above the radio. The little clip on mine broke, so I have to replace the whole assembly. Booo! Thanks for reading!
  10. Engine Modifications
    this is my first post/thread on here....ive been on and off as a guest to get a feel for the fourms...ok so heres my deal, i drive a 2004 wrx, i live in upstate NY. recently when i start my car up from cold i hear this rattling noise as it revs up, once started it stops...i hear this noise...
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