HFC loose metallic core

Chuck33079 · 06-12-2013, 12:34 PM

My first choice would be to send them back and get an unbroken set. Hollowing them out would still be better than stock cats. I'm not sure what the size of the cat chamber on those pipes are, so you may be right. My guess would be that you'd never know- the difference would be small enough to be within the range of dyno variance.

synolimit · 06-12-2013, 12:37 PM

Quote:

Originally Posted by Chuck33079

My first choice would be to send them back and get an unbroken set. Hollowing them out would still be better than stock cats. I'm not sure what the size of the cat chamber on those pipes are, so you may be right. My guess would be that you'd never know- the difference would be small enough to be within the range of dyno variance.

I'd say 4". They might change too going small, to big, back to small. Who knows though.

Chuck33079 · 06-12-2013, 12:44 PM

I don't know either. It may be one of those things where it's technically "worse" and the difference isn't noticable at all in the real world. I'd still just send them back or see if the warranty was transferable.

mag_black · 06-12-2013, 03:49 PM

Quote:

Originally Posted by synolimit

What brand? I'd buy, remove the cats, add a resonator and be set.

Oops nvm. FI? Ill buy them for cheap since they're broke. I know you want your money back so who is the original seller? He can pay you, I'll pay him, you can ship to me instead of back to him saving on double shipping.

I PM'ed you and the seller about the situation. He should be contacting you; just fill me in if/when the deal is done.

mag_black · 06-13-2013, 11:50 AM

06-12-2013, 12:34 PM	#16 (permalink)
Chuck33079 A True Z Fanatic Join Date: Nov 2011 Location: Houston Posts: 12,265 Drives: 2011 370ztt Rep Power: 29539	My first choice would be to send them back and get an unbroken set. Hollowing them out would still be better than stock cats. I'm not sure what the size of the cat chamber on those pipes are, so you may be right. My guess would be that you'd never know- the difference would be small enough to be within the range of dyno variance. __________________ 2011 MB Touring-Sport-6sp-Nav/GTM TT/FI TT TDX/JTran/Kosmic/Eibach/Hotchkis/SPC/CSF/RPS/SoThatsWhereAllMyMoneyWent

06-12-2013, 12:44 PM	#18 (permalink)
Chuck33079 A True Z Fanatic Join Date: Nov 2011 Location: Houston Posts: 12,265 Drives: 2011 370ztt Rep Power: 29539	I don't know either. It may be one of those things where it's technically "worse" and the difference isn't noticable at all in the real world. I'd still just send them back or see if the warranty was transferable. __________________ 2011 MB Touring-Sport-6sp-Nav/GTM TT/FI TT TDX/JTran/Kosmic/Eibach/Hotchkis/SPC/CSF/RPS/SoThatsWhereAllMyMoneyWent

06-13-2013, 11:50 AM	#20 (permalink)
mag_black A True Z Fanatic Join Date: Mar 2013 Location: Massachusetts Posts: 1,400 Drives: 09 370Z MT6 Rep Power: 666	Last edited by mag_black; 06-13-2013 at 11:55 AM.

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