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Jap speed sport cats


Mike k-g

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Hi guys i'm about to buy a 370 z next few days.. the one iv'e

seen have jap speed sport cats...is this a good thing for the car?

not familiar with upgraded cats and will it affect the car in anyway.

 

 thanks Mike Kg

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They are aftermarket high flow cats, which will improve power output from the engine, increase noise (volume and tone), and are of fairly good quality. 

 

They aren't premium and they will mean you need to find a friendly MOT tester or remember to have a spirited drive to get the cats warm and working optimally for the MOT. 

 

You can always go back to stock or try another set of aftermarket cats. There will be plenty of buyers on this forum if you decide to sell. 

 

Make sure you ask the owner how long they've been on and what happened to the old pair. Ask if the car has been tuned and sensors disabled. 

 

Hope this helps. 

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Works to your advantage still, by law, you get a 3 month warranty. Any issues, throw a wobbly and demand your consumer rights. Make sure they MOT it before they sell it to you, makes your first year of ownership easier and if it fails on emissions then get them to source and fit some stock cats for you. 

 

Ask them for any paperwork they have, there will always be the name of a previous owner and if you're lucky they might have been on one of the many forums. 

 

Good luck and hopefully welcome to the owners club! 

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