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  1. Range Rover Mark III / L322
    sorry for making a thread about this but im a bit confused. most places sell o2 sensors in kits of 4 (2 upstream and 2 downstream). but when i look under my rover and pictures of cats that fit my vehicle, i only see one hole (on each cat) where the o2 sensor goes. for example backstory: my...
  2. Range Rover Sport / L320
    Just talked to Atlantic British, and they don't have an aftermarket option for the cats for my rig. Anyone have any luck replacing these with other cats? $1600/each is a rip. Hoping to modify if I need to. TIA
  3. Range Rover Sport / L320
    Hi All, I have trick to pass inspection testing even if you get p420 errors. I don’t know if this will work on all vehicles or just range rovers or just my vehicle . I have a 2006 Range Rover Sport SC 4.2 with 150k miles I have been using this trick for 2 years now to pass inspection tests. I...
  4. Range Rover Mark II / P38
    I need a new catalytic converter but here in the UK we have type approved and non type approved. I don't need a type approved cat as they only became a legal requirement from 2001 onwards. A non type approved is one third the price of the type approved but.........several articles i have read...
  5. Range Rover Mark III / L322
    I just had my 2006 RRSC cat's changed. The muffler guy told me the CARB legal cat's were not available even a few months ago but are now. I know when I looking into it a few months ago it was a dealer only item and super expensive. Anyway. Walker makes a universal cat that is CARB...
  6. Range Rover Sport / L320
    Hi all, I have a 2006 RRS SC and i recently replaced my catalytic converts . I have a small exhaust leak between the cats and the exhaust manfifold. My LTFT spikes at idle and using a air blower and bubble spray i'm able to see bubbles where the cats join to the exhaust manifold. I had...
  7. Range Rover Sport / L320
    I read somewhere that LR provided an extended warranty for catalytic converters for all Range Rovers. Is this true? Anybody know the details? Curious as I think I may have issues with mine. Thanks! Francis
  8. Range Rover Mark II / P38
    Need to replace my rattly cats on my 1998 4.6 P38 but do I need the without obd or with obd cat?
  9. Range Rover Classic
    Hi all, sorry if this comes off as obvious and stupid , but 've been having a recent issue with my Rover stalling on me when warm. I'll be driving down the road and it starts backfiring and then will soon shut off and just crank. So my question is is it the catalytic converter. I feel as if this...
  10. Range Rover Mark III / L322
    I will need to replace my pass side cat, there are direct fit Magnaflow cat converters sold by Atlantic British,($600 ave) any comments on these vs the "stealers prices" of $1600.00. tks
  11. Range Rover Mark III / L322
    i'm convinced I have a bad catalytic (03 hse) can't find any leaks/cracks but showing o2 sensor codes changed both and both codes keep coming back thinking about this any thoughts? what have you tried? Can't afford oem one from dealership close to 2k each...
  12. Range Rover Sport / L320
    Has anyone replaced their catalytic converters with the models produced by magnaflow. they seem well priced compared to factory but, i'm worried about compatibility issues down the line that may throw codes. at 115k miles i've now gotten the check engine light for both driver and passenger cats...
  13. Range Rover Mark III / L322
    Good morning folks: I will need to replace the pass side catalytic converter on my 04 RR-HSE, I have been dealing with Atlantic British for some of my parts replacements without a hitch, they are selling the Magnaflow cat as a direct replacement, does anyone have any thoughts about this part...
  14. Range Rover Mark III / L322
    Before starting out I will say what everyone else more than likely will and admit it is illegal, environmentally immoral and not a good idea to remove your Catalytic Converters from any vehicle especially one like this. I do understand. However.. I have a 2006 RRSC and I was wondering if I were...
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