Removal of Cat and implications in NZ re WoFs

pottsy · 03-01-2012, 03:31 PM

Can anyone shed some light on the removal of the cat and whether I will still get a Wof/compliance for the 8?

Have been told that if a car was imported before 2010 (not sure of date) that certain standards didn't apply and would allow for removal of the cat.

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sweetfa · 03-01-2012, 03:41 PM

Here is the link

http://www.nzta.govt.nz/vehicle/clas...ment.html#tbl1

Mine is 2005 and running a gutted cat and I've had no issues thus far

pottsy · 03-01-2012, 05:24 PM

Thanks for link.

Any difference noticeable after removing it?

sweetfa · 03-01-2012, 06:43 PM

Well I did the cat/plugs/leads/went to d585 coils and a K&N air filter all at the same time - I've only got 50k on the clock but the idle was smoother, cleaner pull through the rev's and it feels more responsive. One thing I did notice is better fuel economy but this could be due to the coils were starting to fail (Trailing front was dead) - I'm now getting 390-400km per tank and I drive it every day into the city non peak which is around 70km.

Wife thinks it's got louder and she notices as I leave at 5.45 in the morning but it's quiet in my opinion until it gets into the higher rev's.

nzmkey · 03-02-2012, 02:18 AM

Forgot to ask you where did you get your coils/leads/upgrade?

pottsy · 03-06-2012, 01:04 AM

390-400kms? I got 491kms out of the last tank, and that was 50/50 town highway driving.

sweetfa · 03-06-2012, 12:49 PM

My average 390 - 400 is pretty average - I do have a small 200 metre climb up a winding road to get home each night which may have something do with it.

Will PM you nzmkey