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  1. Range Rover Sport II / L494
    Greetings all, I have had my SVR for over a month now. I have done the Resonator delete, makes the crackling more crisp and pronounced. About 30% louder as well under load. However, I'm curious about doing Downpipes or 200 cell cats? My options: 1. Put Resonator back .... do 200 cell CATS...
  2. Range Rover Classic
    Hi All, Long time lurker and infrequent poster. I have an 89 rrc I've been working on getting running. The exhaust on it has plugged cats and all the joints are welded together. I would like to ditch the whole thing and bolt in a new factory version. The exhaust set-up looks very similar to...
  3. Range Rover Mark III / L322
    2005 truck with 115K miles. I have a cracked weld on the cat on bank 1 (passenger side on NAS truck). Getting tired of SES light coming and going at will. Unable get dealer to cover under warranty due to calendar time on truck, so up to me. Genuine is about $1600. Magnaflow is available from...
  4. Range Rover Sport / L320
    I have a 2006 Range Rover Sport SC 4.2 Anyone had anyluck with Magnaflow cats ? I see two types that appear to fit the OEM grade series ( part # 49718 , 49719 ) and the Heavy metal series ( part # 93687 , 93688) Any recommendations
  5. Range Rover Classic
    Has anyone installed Hedman Headers from Summit on a RRC? I've read that they require modification, but cannot seem to find what modification, or how difficult it is. Secondly, are the Janspeed headers (which I believe are a direct mount) still available anywhere? My cats have ball bearings...
  6. Range Rover Mark III / L322
    Hey guys so I got a 2006 RR HSE , 113K. I've had a CEL for O2 sensors for like a year now. Goes away in summer. Came back in winter. Dealer said injectors need cleaning. But then the light went away. Once in a while the car would give a plume of black smoke when accelerated too quickly. This...
  7. Range Rover Classic
    Just failed the emission test. All the levels were good except for hydrocarbons released while idling, and t's 3x's the legal limit. When I got it back from the guy who tested it, a check engine light had came on and its code 48 (IACV), I just replaced it and set the base idle. I reset the...
  8. Range Rover Mark IV / L405
    Took my wife's 2014.5 RR LWB SC in for its annual service. Had an amber check engine light come on and go off two times. Dealer downloaded the codes and turns out a catalytic converter (1 of the 6?) had gone bad. Anyone else have early cat failure?
  9. Range Rover Mark III / L322
    Good Morning everyone, I've got a couple of questions about my exhaust system. It's 05 HSE - BMW engine around 105K miles. The driver side cat started rattling this summer and of course the dealer wants around $2K to replace them, my Firestone guys are directing me to muffler shops so I started...
  10. Range Rover Classic
    So i was driving home from work yesterday when i noticed a new noise from my rover. it was a high frequency rattle that changed with engine rpm. im also getting a strong "hot smell once its warmed up. i suspect the passenger side cat's core has broken loose. i have a few questions now. 1 is...
  11. Range Rover Mark II / P38
    Well here's a new one on me. Multiple faults from one Lambda probe, so I replaced it. Still no joy, car starting okay( not as good as normal) but then refusing to pull cleanly and sounding like a cylinder is down. So got it taken to my local independant who's diagnosed a collapsed cat on the...
  12. Range Rover Mark II / P38
    My cats were plugged and I had knocked them out back in March. As part of my goal to get my mileage back up from 9 MPG it was time to do a little exhaust work. Well, I paid a friend to do it anyway. I just don't have the time. Anyway. Before this I got 14 MPG on the same straight of road...
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