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Need Help Finding A Suitable Hiflow Cat For V35 Coupe

robbo33
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robbo33 Community Regular

robbo33

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Posted

I currently have the kakimoto regu 06&r bolted up from justjap, but they said they have no suitable hiflow cats. Including the xforce and catco cats they stock.

So does anybody know any that will bolt up without importing from the states, or would i be better off getting custom ones made up from a local exhaust shop?

Appreciate any help

robbo33 Community Regular

robbo33

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  • Author
Posted
you would be better off getting some imported from teh states

i've had parts within 2-3 business days of ordering them from some sellers

try stillen.com or everythingg35.com

Yeh i was looking at the stillen cats but unsure whether they would be street legal over here?

rs73 Grand Master

rs73

Posted
Posted

I think USA has quite strict emission law, if it passes CARB (California Air Research Bureau), I think most likely it'll pass EPA standard here.

But I'm not sure which one is more strict CARB or EPA when it comes to emission.

scathing Grand Master

scathing

Posted
Posted

That's random. You'd think they'd use standard flanges, so everything can bolt back onto the stock items if you don't replace it.

I used Crawford HFCs from the US. They bolted on to the stock manifolds, and connected to my Hitech exhaust (which connected to my stock cats before I replaced them). I've got a set of second-hand custom made ones now, that I think are using Metal Cat biscuits, but they don't flow as well and don't sound as good as the Crawfords.

robbo33 Community Regular

robbo33

Posted
  • Author
Posted
That's random. You'd think they'd use standard flanges, so everything can bolt back onto the stock items if you don't replace it.

I used Crawford HFCs from the US. They bolted on to the stock manifolds, and connected to my Hitech exhaust (which connected to my stock cats before I replaced them). I've got a set of second-hand custom made ones now, that I think are using Metal Cat biscuits, but they don't flow as well and don't sound as good as the Crawfords.

how long did they take to ship from the u.s?

so your not using the crawford cats anymore?

scathing Grand Master

scathing

Posted
Posted
how long did they take to ship from the u.s?

Can't remember. A couple of weeks, I think.

so your not using the crawford cats anymore?

Nup. I kind of broke them when I slid off the track at Wakefield Park and banged my exhaust on their huge ripple strips. I was due for another track day recently, and my mechanic said they were so cracked they'd probably fall apart completely I swapped them out for my mate's. They also weren't economically repairable, since they're stainless steel and apparently that's tricky to weld.

If/when I destroy these cats, I'll order another set of Crawfords. I bought them when the Aussie dollar was worth less than it does now (USD $0.86). With shipping, they worked out at about $100 more than getting the cats UAS advertises on their site. When I called UAS, I found out they weren't off-the-shelf parts but a generic biscuit with the flanges welded on when you order them. The advertised price is also for one cat, minus the cost of adding flanges, and you need two.

Since some cats/delete pipes are known to trigger the CEL in VQ35DEs, I decided to go for a product I knew wouldn't cause issues for the extra cash.

  • 1 month later...
Stephen Thorpe Proficient

Stephen Thorpe

Posted
Posted
Can't remember. A couple of weeks, I think.

Nup. I kind of broke them when I slid off the track at Wakefield Park and banged my exhaust on their huge ripple strips. I was due for another track day recently, and my mechanic said they were so cracked they'd probably fall apart completely I swapped them out for my mate's. They also weren't economically repairable, since they're stainless steel and apparently that's tricky to weld.

If/when I destroy these cats, I'll order another set of Crawfords. I bought them when the Aussie dollar was worth less than it does now (USD $0.86). With shipping, they worked out at about $100 more than getting the cats UAS advertises on their site. When I called UAS, I found out they weren't off-the-shelf parts but a generic biscuit with the flanges welded on when you order them. The advertised price is also for one cat, minus the cost of adding flanges, and you need two.

Since some cats/delete pipes are known to trigger the CEL in VQ35DEs, I decided to go for a product I knew wouldn't cause issues for the extra cash.

Does anyone know why a Cat can bring the CEL on?

Seems a bit odd, unless there is a O2 Sensor has been damaged or placed in the wrong spot.

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