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  1. XJ/MJ Cherokee Non-Technical Forum
    Anybody know what exhaust parts I need for my 1988 4.0L? I have no idea what I need for a full exhaust system but I know I can't find any online. I can't find anything for my egr **** either I guess I need to block it off or something but still I have no idea what I'm looking for with my exhaust.
  2. Jeep Grand Cherokee & Commander Forums
    We were driving home late last night and out of nowhere we got a warning sound, e-throttle and MIL lights come on together with "Exhaust Service Required - See Dealer Now". Luckily we were only 10min away from our home. We just bought the car used with around 157'000km (97'000 miles) on it...
  3. WJ Grand Cherokee Forum
    I am green green to Jeeps. I just bought a 2002 WJ with a 4.0. She definitely needs some work, one main issue at the top of the list is a whole new exhaust. The one on it is patched together like an old coat. My WJ has the three cats, the two pre and the one main. From everything I'm reading the...
  4. YJ Wrangler Technical Forum
    hi. long time reader, first time poster. im building a 1987 jeep yj and the rebuilt 4.0 block I have is from 1999 Cherokee. I am going with fuel injection. I live in California and wil have to take it to a state ref to be certified. All emission parts need to be CARB certified. I am very close...
  5. XJ Cherokee Technical Forum
    Hello! I’m replacing my manifold today. I got everything off except the manifold from the rest of the exhaust. I cannot for the life of me figure out what size socket I need to use. 14mm (12 point) is too big, 13mm (12 point) won’t fit over the bolt. I’ve tried half inch (6 point), too small...
  6. WJ Grand Cherokee Forum
    I just finished swapping brake pads on my 99 Grand, I top off the brake fluid reservoir, and crake the motor. The brake pedal goes to the floor, and the jeep starts pumping massive amounts of white smoke from the muffler. I kill the motor and check the fluid reservoir, its empty. I look around...
  7. TJ Wrangler Technical Forum
    Hello everyone. My Jeep has been making a rattle noise. I have made some posts about it. I finally found the culprit. Now not sure what to do. Appears my muffler is hitting my control arm I have tried messing with the exhaust hangers and moving it over as far as it’ll go. That works until I pull...
  8. YJ Wrangler Technical Forum
    I daily drive my '92, 4.0 inline 6 YJ that has the automatic transmission. It has around 170,000 miles and is in what I would call "pretty good" condition, but needs a tune-up. I will list the symptoms and what I believe to be problems and I am asking for help further determining the problem and...
  9. YJ Wrangler Technical Forum
    A while ago I cut off my muffler and did a downpipe. A bit later I hit a bad bump and the honeycomb in my catalytic converter broke off and makes a loud rattle. I am going to take it off. What would be the cons of straight piping it. Or doing a high flow cat. I don’t want opinions on how bad...
  10. WK2 Grand Cherokee Forum
    Hello everyone, I’ve been having a problem with me wk2 GC 2011 5.7 hemi. When I accelerate hard, a bad smell comes from my AC vents, a sulphur rotten type smell. If I drive normally, it doenst come. If I accelerate a few mins after starting the car it doenst come. It only comes when the engine...
  11. Jeep Grand Cherokee & Commander Forums
    Hey guys and girls, I’d like some feedback as to if my diagnosis is on the right track. I have a 2014 Grand Cherokee with the 3.6 pentastar, I had a cel for bank 2 sensor 1 o2 sensor, changed it but didn’t get genuine sensor a month in I had a code for bank two running lean that kept coming up...
  12. Jeep Builds
    You read it right! Will the Trackhawk stock exhaust fit on the 2020 Altitude. I do know I’d need a new rear valence. I’m prepping for the RIPP supercharger kit and I’d love to get this exhaust installed. Does anyone know if it will work And if the mounting points are all the same? the donor...
  13. Jeep Builds
    With most of these XJ body types being converted to hyper-lifted rock crawlers, would love to see what others have done with your XJ daily drivers. Was looking to bring mine into the 21st century (Exterior/Interior lighting LED upgrade from halogen/ incandescent bulbs). With the exterior (paint...
  14. WK2 Grand Cherokee Forum
    Anyone got any guide/tips or trick on the removal of the bank 2 catalytic converter?
  15. Misc. Jeep Parts
    OEM Axle back exhaust; great condition.
    $175 USD
  16. Engines & Drivetrain
    Hi I recently bought a 99 WJ with the 4.0 I6 and did some maintenance on it and found a couple of cracks in my muffler welding which i will fix but in the meantime I removed it and just but a little exhaust end after the catalytic converter so the exhaust gases go down and not directly straight...
  17. ZJ Grand Cherokee Forum
    About 4 years ago the weld between my catalytic converter and front exhaust pipe broke free from the original exhaust due to corrosion, so I opted to replace the entire exhaust system, manifold and all. Well, the only option I can/could find for the front pipe is made by Walker, and so far...
  18. WK Grand Cherokee & XK Commander Forum
    Alright, Background 07 Diesel, gde eco tune, dpf delete. Really smelly exhaust, no codes. No sure what to check. I do have a small leak in my charged air cooler...could I just be running really rich? It is a little smokey on start up. Any thoughts greatly appreciated.
  19. TJ Wrangler Technical Forum
    I have a 2006 Wrangler Unlimited Rubicon. After having this Jeep a little over a year, I have had to replace the transmission, cylinder head, exhaust manifold, and a few other smaller items. It has now developed a high pitch whistle after the exhaust manifold was replaced. I took it back to the...
  20. TJ Wrangler Technical Forum
    So I'm about to install a Savvy Tummy tuck/skid and I still have my stock exhaust in there, though it's rusting out. Figured I'd install a new catback while I'm at it. Those of you with the Savvy underamor, what exhaust do you have and how was the fitment?
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