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Generation 4-3 Pajero NW model 2011 - 2014

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Old 1 Week Ago
MARKx4 MARKx4 is offline
Join Date: Dec 2015
Location: Penrith
Posts: 110
Default Catalytic Converter Delete

Is there any noticeable performance differences when no longer having a catalytic converters in a exhaust upgrade?
Why are the reasons people remove them?
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Old 1 Week Ago
Seigried Seigried is online now
Valued Member
Join Date: Apr 2016
Location: brisbane
Posts: 466

Some people remove them if they have collapsed or sufferred other damage. Others because they want more performance. A road registered car must have a cat as it forms part of the emissions control.

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Old 6 Days Ago
Kingmarz Kingmarz is offline
Join Date: Dec 2016
Location: South Island New Zealand
Posts: 53

I smashed out my cat about 3 months ago and I can honestly say that it made no noticeable difference to power but the exhaust note/tone went a bit deeper especially at idle. With over 400,000 KM on my NM pajero 3.2 DID I thought it might be a little clogged but to my surprise I could see daylight through 80% of it maybe because pajero is in good tune.
Just thought Id share my experience.
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Old 5 Days Ago
NT11Pajero NT11Pajero is offline
Junior Member
Join Date: Jun 2019
Location: Brisbane
Posts: 18

The 3inch PPD exhaust I put on mine removes the cat and 1 muffler. I noticed a small (I think) improvement in performance, but nothing major. I think it came on boost a little sooner. The dyno tune however completely changed the car. Smashing out cats is messy and probably not the best thing to be breathing in. I would probably leave it unless you think it's blocked.
Pajero 2011 NT GLS DID Auto. 3" 304 stainless exhaust, dyno tuned (135awkw), EGR block, EGR cooler removed, provent catch can
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