Mitsubishi Eclipse 3G Club banner


  1. test pipe cat delete

    Eclipse Performance
    Hi Guys! I'm making this to get a second opinion on what I'm doing on my exhaust. It's a 2003 Eclipse GTS with the 3.0 Currently, I'm running stock headers&downpipe, stock cat, but with a resonator delete, 2 chamber streetflow muffler and a custom tip. I'm cutting out the cat since it only...
  2. FS: AEM Short Ram Intake; 2003 Eclipse; only 5k miles GREAT Condition

    Automotive For Sale / Wanted
    Hey guys, after years of rocking out with Mitsubishi, first on EvolutionM for my first car, and then on to Club3g, I'm selling my Eclipse to a dealer with stock airbox, so I removed my intake that I put in not too long ago. Only about 5k miles driven with this intake on, Here's the product info...
  3. My 2003 GTS Journey

    Members Rides
    In March I acquired a 2003 Mitsubishi Eclipse with 90k miles on it. This is my journey into modifications. Follow along as I post (as frequent as possible) updates on the newest additions! Advice is always greatly appreciated. Will upload pictures and current progress as I go! Will try and keep...
  4. Alarm is sentient...

    New Members Forum
    I've searched and searched but I still don't find the answer I need... Here are the stats: 2003 Eclipse Spyder GTS Only one key copy (which appears to be the Master key) No keyless remote Assumed --> Heavy water damage to alarm deactivating components (door keyhole?) Bought the car used (only...
  5. I need help!

    Problem Reports
    I have a 2003 Mitsubishi Eclipse Spyder that recently has been running so rough it hasn't been able to stay cranked. A couple days ago the battery blew up under the hood. I replaced it along with the ends connecting to it's terminals. While out to get the battery I also asked to get the codes...
  6. 03 GTS - akprice44

    Members Rides
    I've been an active reader on this site since I bought my 3G in December, so I decided it was time that I created a ride thread to push myself to get more involved. I purchased my bone-stock '03 GTS in December of 2015 after totaling my swapped 02 Monte Carlo that I dumped a ton of time...
  7. 2003 Eclipse Shifting Problems. Please help.

    New Members Forum
    Hi guys. I'm new, and completely lost on where to get some advice for my car. I have a 2003 Mitsubishi Eclipse GS, automatic 4 cyclinder, and I believe it's a 2.4 engine. It's at about 103k miles, I just bought it from AutoNation 2 months ago, and on the last day of my warranty, it started...
  8. RPW Headers

    3G Eclipse GT/GTS Specific
    So after reading on these puppies everyone says they are the way to go. Problem is i can't tell to get. I've found one header on their site that has the flex pipe included and is a long tube. So here's my questions. (I have a 2003 gt) 1. What's the difference between their shorty and long tube...
  9. Idle Air Control Valve

    Problem Reports
    Hey, i have a check engine light on in my 2003 GTS and i got it scanned and it read something along the lines of "Idle air control. Rpms higher than expected". I bought the car about 2 weeks ago it has 150xxx miles on it and i bought it with the check engine light on. They said it was either...
  10. Tuning Software for 03EclipseGS

    Engine Management Tuning
    I have a 2003 Eclipse GS. It has the 2.4L 4Cyl 4g64 motor with a DOHC head. I made the decision over the past winter to have it turbocharged. I've got everything ready to go, but my dyno technician needs a program. I've purchased a Tactrix cable. I'm sure this question has been answered multiple...
  11. New member from Miami

    New Members Forum
    Hey guys. First post here. Just wanted to get my start with sharing about my car and showing some pictures. Bought my 2003 RS January 2014 with 72k miles, and pretty much absolutely nothing wrong with it, except for a small, not so noticeable dent, and small scratch on the back, for only $2400...
  12. Performance mods on my 3g GS

    New Members Forum
    I recently bought a bone stock 2003 eclipse GS. It has the factory 4g64 and was wondering what are the best and cheapest performance mods i can do without totally screwing up my mpg?
  13. Replaced rearview mirror now i have no radio display or auto locks

    Car Audio and Electronics
    Welp the title says it all. I'm new to the eclipse i have a 2003 gts v6 3.0. My inside rearview was cracked so i cut the wires going to the clip that connects to the back of mirror. I have a new mirror but even after splicing wires still nothing. The new mirror is from the same car so maybe its...
  14. 03 Spyder Light Bar

    3G Eclipse GT/GTS Specific
    Hello everyone, I was hoping to get a bit of help on this, I have seen several posts on this website regarding the ‘light bars’ people can get for their Spyders (03) and was wondering if anyone had any information on where to buy them. I have been in contact with Deft Racing and they do not...
  15. What do I need for a FULL TUNE Up

    New Members Forum
    Those anyone has a list of parts and tools I would need to perform a Full tune up on a 2003 MITSUBISHI ECLIPSE GTS....I mainly have auto zone in my area??? Has 150k Miles
  16. 03 Eclipse GTS shaking and jerking while accelerating.

    Problem Reports
    I am in the process of buying a 2003 Mitsubishi Eclipse GTS 3.0 V6 convertible 5 spd from my father, who owns a used car dealership. The first time I drove it, It drove great, and there were no probelms that I could tell. I drove it for around 45 minutes no problem. On the way home, I put about...
  17. My 03 Eclipse Spyder

    Members Rides
  18. Owner's Manual 20003 Eclipse

    3G Eclipse General Discussion
    Hi! New member here... I "dated" 2 different women that owned Eclipses... and now I just bought a 2003 Eclipse GTS. Now for my question / issue. I have Googled beyond belief, trying to find a downloadable owner's manual.... and specifically have searched this forum. I have seen posts here...
  19. 3g4JeSuS's 2003 Eclipse GS

    Members Rides
    Alright so I have had this car which is a 2003 Mitsubishi Eclipse GS automatic for almost 9 months, I haven’t done many mods to it, but have got some much needed things replaced, such as all the motor mounts, hatchback shocks, center reverse light replaced, I actually got this car from a dealer...
  20. 2003gst performance

    New Members Forum
    What can i do to get some extra power. Already put on a cold air intake and a 3.5" catback exhaust. Turbo is an option, but i have no idea where to start. Any suggestions on performance upgrades that will make a noticeable difference without spending a ton.