3 inch straight pipe exhaust

Discussion in 'Modifications & DIY how-to' started by mrWRXdude89, Jan 19, 2009.

  1. mrWRXdude89

    mrWRXdude89 Member

    hey fellas....new to the site. dont have a wrx yet but im getting one very soon. but the first thing i was planing on doing is an exhaust set up. i love the sound of the wrx and i searched but didnt find what i was looking for. i was wanting to know if any of you have or have heard a wrx with 3 inch straight piped from the cat back. no muffler or resonater. i was also wandering about a side exit exhaust like you see on srt-4s or somethin. anybody ever done that?
     
  2. Jake

    Jake Active Member

    kingwrx is running one. 4" downpipe, catlytic convertor and 3" straight pipe. Sounds great
     
  3. 04subiwrx

    04subiwrx Member

    straight pipe

    Im running 3" from the turbo back.. No cats or resonators.. I live in kennesaw if you wanna hear it..
     
  4. longfury

    longfury Active Member

    It's LOUD. Right tone, just LOUD or I am getting old. Its probably a combination of me getting old and it being loud.

    You will pretty much have to run the exhaust out in the standard location. Never heard anyone doing it any other way.
     
  5. undrgrndrdr15

    undrgrndrdr15 Active Member

  6. flat4ever666

    flat4ever666 Member

    ^ i didnt know you DP was catted, get a catless DP! i want to hear that!
     
  7. undrgrndrdr15

    undrgrndrdr15 Active Member

    i would love to but money is the issue unless you know someone that wants to trade for my prodrive dp...
     
  8. schneid

    schneid Member

    the loud uncorked exhaust gets old on a daily driver/commuter. I loved the sound of my catless dp + hks carbon ti until I realized that I couldnt hear people on the phone and it pissed off my girlfriend, and you cant go anywhere without people knowing that youve arrived 30 seconds before you actually do
     
  9. undrgrndrdr15

    undrgrndrdr15 Active Member

    i love that though... and i dont have any drone in my car what so ever and since it runs out the back its not overly loud in my car if im just cruising... everyone is surprised at the low volume when they ride in my car
     
  10. 04subiwrx

    04subiwrx Member

    Same thing for me.. Its pretty quiet with the windows up. i dont know if I could go back to having a muffler it would be to quiet
     
  11. undrgrndrdr15

    undrgrndrdr15 Active Member

    drove my friends tc yesterday and kept hitting the limiter before shifting lol... couldnt hear the car...
     
  12. 04subiwrx

    04subiwrx Member

    haha.. Thats pretty funny
     
  13. undrgrndrdr15

    undrgrndrdr15 Active Member

    i would love to hear your car with no cats and see if there is a difference with the 2.0
     
  14. 04subiwrx

    04subiwrx Member

    The more I think about it I think i mad the exhaust in 3 1/2".. oh well but its got a nice sound. i think the up pipe is next on my list..
     
  15. longfury

    longfury Active Member

    The 2.5L is just louder. I followed Jason Porter around when he had a straight pipe on his Forester. I could not hear my stock 06 WRX over his. :p
     
  16. undrgrndrdr15

    undrgrndrdr15 Active Member

    i figured with the upgraded turbo and bigger block it would just be more flow than the 2 liter
     
  17. dtredwing14

    dtredwing14 Member

    It's a good thing the APS 3.5in comes with a silencer, otherwise my 5hr trips up to North Carolina would get annoying. Daily driving if fine by me but at 80mph for 5hrs is a bit much.
     
  18. mrWRXdude89

    mrWRXdude89 Member

    is a 4 inch pipe a little much on a stock wrx? that just seems huge haha.
     
  19. undrgrndrdr15

    undrgrndrdr15 Active Member

    i would think so
     
  20. kingwrex

    kingwrex Supporting Member

    i have a turboxs 4" down pipe, cat pipe, mid mipe , then i had a muffler shop make a 3" straight pipe the rest of the way. its actually quieter than my old exhaust with a n1 style 4" can at idle but when you go wide open throttle its a screaming deamon. i love the sound of it now.
     
  21. 04subiwrx

    04subiwrx Member

  22. Kokopelli

    Kokopelli Active Member

  23. 04subiwrx

    04subiwrx Member

    I just threw it out there. It may be less than some custom shops.
     
  24. Kokopelli

    Kokopelli Active Member


    I'm not bashing you its just a little crazy to pay that much for a piece of pipe. Maybe one of our new vendors building rotated kits could spend a few minutes and build a straight pipe for less than half the cost. I would buy one for use only on the track so it wouldn't need to be made from stainless steel.
     
  25. undrgrndrdr15

    undrgrndrdr15 Active Member

    if you want it done let me know and i can hook you up with the shop i worked at and who did mine... wont cost anything near that at all
     
  26. Jake

    Jake Active Member

    I think king got his made at g and s muffler in kennesaw for like 100-150 bucks.
     
  27. 04subiwrx

    04subiwrx Member

    Im a welder/fabricator on the side so i mad my own out or 3 1/2 for like 100 and some change. i wouldnt pay that much either
     
  28. calmnothing

    calmnothing Shlimp Flied Lice Supporting Member

    Reinforced aluminum foil should only cost $4 a roll from Publix and you wouldn't need more than 10 rolls.
     
  29. calmnothing

    calmnothing Shlimp Flied Lice Supporting Member

    I also remember when Nemesis had his exhaust made it only cost around $150 too. It was just a straight pipe with a resonator at the tip
     
  30. undrgrndrdr15

    undrgrndrdr15 Active Member

    mine cost me 60 bucks!!!!
     
  31. 04subiwrx

    04subiwrx Member

    60 bucks? cant beat that
     
  32. undrgrndrdr15

    undrgrndrdr15 Active Member

    nope so anyone that wants a hook up with custom exhaust work let me know... it may not be 60 bucks but i can swing a good deal
     
  33. kingwrex

    kingwrex Supporting Member

    got my forester 2.5" cat back exhaust done for $110 and my wrx straight pipe from mid pipe back for $90.
     
  34. flat4ever666

    flat4ever666 Member

    what do you think just the str8 axle back would cost me?
     
  35. kingwrex

    kingwrex Supporting Member

    got my straight axle back with a flange made so i could take it off if i wanted to put a muffler back on done for $90
     
  36. flat4ever666

    flat4ever666 Member

    ^^^ sweet, can you point me in the right direction?
     
  37. kingwrex

    kingwrex Supporting Member

    got it done at G and S muffler shop kennesaw off of 41. its across the street from cowboys
     
  38. undrgrndrdr15

    undrgrndrdr15 Active Member

    yeah hit them up... i worked at the g & s in canton so the kennesaw is closer but if they are busy let me know and the canton shop can probably get you right in... if not i will come pick you up its two minutes from my house!
     
  39. WRXCoupe

    WRXCoupe Active Member

    Those straight pipes are actually a little quiter than my HKS depending on the weather HA!
     

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