Jump to content

Welcome to Ultimate Subaru Message Board, my lurker friend!

Welcome to Ultimate Subaru Message Board, an unparalleled Subaru community full of the greatest Subaru gurus and modders on the planet! We offer technical information and discussion about all things Subaru, the best and most popular all wheel drive vehicles ever created.

We offer all this information for free to everyone, even lurkers like you! All we ask in return is that you sign up and give back some of what you get out - without our awesome registered users none of this would be possible! Plus, you get way more great stuff as a member! Lurk to lose, participate to WIN*!
  • Say hello and join the conversation
  • Subscribe to topics and forums to get automatic updates
  • Get your own profile and make new friends
  • Classifieds with all sorts of Subaru goodies
  • Photo hosting in our gallery
  • Meet other cool people with cool cars
Seriously, what are you waiting for? Make your life more fulfilling and join today! You and your Subaru won't regret it, we guarantee** it.

* The joy of participation and being generally awesome constitutes winning
** Not an actual guarantee, but seriously, you probably won't regret it!

Serving the Subaru Community since May 18th, 1998!

Guest Message by DevFuse

- - - - -

ej22 exhaust manifold/header

  • Please log in to reply
5 replies to this topic

#1 tntkenny0927


    New User

  • Members
  • PipPipPip
  • 49 posts
  • Ocala, FL. 34472

Posted 17 August 2013 - 02:54 PM

i got a 90 leggy l fwd ej22 non abs auto not sure if my manifold is a single port or dual port also read a while back that a 2.5 outback awd can work as a replacement manifold/header if anyone know which other subaru manifold/header is compatible with the 90 leggy l please let me know thanks...

#2 Gloyale


    It's a sickness

  • Members
  • 10,916 posts
  • Corvallis, OR PNW

Posted 17 August 2013 - 02:58 PM

90-94 is the only bolt in option.  Cat is one piece with the Manifold.


95 and later 2.5 could be made to work, but you'd need the catalytic and midpipe from that car too.

#3 heartless


    Do YOU Subaru?

  • Members
  • 3,335 posts
  • North Central Wisconsin

Posted 17 August 2013 - 10:20 PM

what Gloyale said - 90 - 94 only on the 2.2s. They are a dual port head pipe, but the cat is part and parcel of the assembly..

#4 tntkenny0927


    New User

  • Members
  • PipPipPip
  • 49 posts
  • Ocala, FL. 34472

Posted 18 August 2013 - 10:09 PM

so i should have a dual port i was going to do like a 2.5 manifold then a straight 3" fitted pipe back with a borla type muffler, simple and stockish no fart cans or glass packs...

#5 cal_look_zero


    Subaru Nut

  • Members
  • 617 posts
  • Grass Pants, OR

Posted 19 August 2013 - 01:43 AM

3" exhaust on a 2.2 will sound like rump roast and sap power. Go no bigger than 2" with at least a 12" resonator in line.

#6 heartless


    Do YOU Subaru?

  • Members
  • 3,335 posts
  • North Central Wisconsin

Posted 19 August 2013 - 08:03 AM

stock size is inch & 7/8 OD - going much bigger than 2 inch will result in major loss of back pressure (which is needed) and power.


3 inch on a Subaru? ummm... no - waste of money and material on a Subaru.


And you WILL need, at the very least, an O2 sensor installed somewhere near the "normal" position

The 90MY may be only OBDI, and thus a pretty 'simple' system, but without the O2 sensor you will have issues - big ones.


I own a 1990 Legacy LS wagon - EJ22, Auto, AWD - the only part of my exhaust that is not "stock" is the Cherry Bomb Turbo muffler (stocker rusted off). It has a nice throaty sound - not too loud, just about right. has a little grumble when letting off the throttle, kick it down a gear, and she really sounds good.  B) 

I have used the Cherry Bomb glass packs before, and found them to be a tad too loud for my tastes - the CB Turbo muffler is much nicer.


the EJ22s are NOT powerhouse engines, and nothing you do will make them into one.

They ARE, however, very reliable when maintained properly, and they get decent fuel mileage - which is what they were designed for.


If you want "powerhouse" - go get a big block V8 (Hemi, Chevy 454, or Ford 460).

0 user(s) are reading this topic

0 members, 0 guests, 0 anonymous users