 | Home > Td5 > Removing the Cat conv? |
 
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| 4RF RDS Member Since: 19 Jul 2015 Location: Ottawa Posts: 959   
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Anything allowing more free flowing exhaust will help.
 2010 Range Rover MkIII Autobiography Super Charged (Idris)
2003 Range Rover Mk III (Desmond FitzWilliam) 2000 Defender 110 CSW TD5 (CTX) 1992 Range Rover Classic (Lizzy) 1972 Series III 300 Tdi (Stanwood) 1967 MGB GT Every normal man must be tempted at times to spit on his hands, hoist the black flag, and begin to slit throats. H. L. Mencken (1880 - 1956) |
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12th Feb 2025 6:08pm |
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| achuakh Member Since: 12 Apr 2012 Location: Singapore Posts: 161  
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it makes the turbo spool up slightly faster.
it also gets rid of the issue of the passenger's feet feeling hot (assuming the steering wheel is on the right) on a long drive. it also changes the smell of the exhaust. you can also consider removing the mid box, but keep the smaller one at the end. it sounds nice. The defender has migrated, leaving the owner behind. |
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18th Feb 2025 11:16am |
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| TexasRover Member Since: 24 Nov 2022 Location: Paris Posts: 1144  
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I doubt CAT is much of an obstruction assuming not blocked, same with muffler etc. This would only create a small amount of HP gain at higher RPM when the engine is probably screaming already and will make no difference to normal driving and acceleration. My current Td5 has the cat and I recently drove the same year 110 with the CAT removed and there was no noticeable difference other than some turbo whistle. The CT (MOT) in France is not too intelligent, compared to say the German TuV, but there is still the risk that emissions equipment is noticed as being absents. Unless the cat is blocked I would keep it just fine. |
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18th Feb 2025 12:45pm |
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| Jabberwocky Member Since: 27 Oct 2021 Location: Luxembourg Posts: 227 
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If there are concerns about failing an MOT, some companies do Cat shells, they look like a CAT but are empty inside. Or buy an early TD5 that don’t have CATs🤷♂️😁😁
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21st Feb 2025 8:59pm |
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