Intake & Exhaust Questions and info regarding various aftermatket exhaust systems for the G35 (Headers,Y-Pipes, and Cat-Back Systems)

Hi flow Cats???

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Old Oct 21, 2003 | 01:10 PM
  #1  
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Hi flow Cats???

Hey, I'm looking for hi flow cats or just straight pipes for my G.
I know the 350 Z has them, but will they fit our car?
Please help me out, thanks guys


2003 G35 Coupe AT(Silver)
Injen CAI
Borla cat back exhaust
Hyper Grounding 6 wires

1/4 14.083 MPH 98.20
60ft 2.141
 
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Old Oct 21, 2003 | 05:20 PM
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Re: Hi flow Cats???

Theres gotta be something out there???

2003 G35 Coupe AT(Silver)
Injen CAI
Borla cat back exhaust
Hyper Grounding 6 wires

1/4 14.083 MPH 98.20
60ft 2.141
 
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Old Oct 21, 2003 | 05:31 PM
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Re: Hi flow Cats???

random tech cats are available and have CA CARB numbers!



03 G35C auto nav, alum. pedals, grounding kit, ultralight battery, Z tube (x), crawford plenum, RT cats, borla, ATI Procharger!
 
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Old Oct 21, 2003 | 05:35 PM
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Re: Hi flow Cats???

where can I find those at?

2003 G35 Coupe AT(Silver)
Injen CAI
Borla cat back exhaust
Hyper Grounding 6 wires

1/4 14.083 MPH 98.20
60ft 2.141
 
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Old Oct 21, 2003 | 07:06 PM
  #5  
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Re: Hi flow Cats???

Check out these straight pipes and headers.

http://www.xerd.com/products/?category=Headers



 
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Old Oct 21, 2003 | 10:04 PM
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Re: Hi flow Cats???

The 350Z and the G35 fit the same. They have the Random
Tech cat's and also several test pipes. One that I know of is the Mines test pipes. For the Random Tech cat's, you can contact Performance Nissan at 626-305-3000. Speak to Jenny or Jeff. The Mines test pipes can be found at Bulletproof Automotive. Talk to Colin. I know he's on this board.


Nismo Swaybars, Radiator, & Oil Cap
Sun Automobile Hyperground w/ Voltage System
Gialla Front Grill, Volk LE37-T, Blitz Filter<P ID="edit"><FONT class="small"><EM>Edited by gopedg5 on 10/21/03 07:04 PM.</EM></FONT></P>
 
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Old Oct 21, 2003 | 11:36 PM
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Re: Hi flow Cats???

What do you guys think will be better for my car, the hi-flow cats or the straight pipes? See my car did 14.0 last week and I hoping that this mod will push it just into the 13.9 area.

2003 G35 Coupe AT(Silver)
Injen CAI
Borla cat back exhaust
Hyper Grounding 6 wires

1/4 14.083 MPH 98.20
60ft 2.141
 
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Old Oct 22, 2003 | 02:00 AM
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From: CA
Re: Hi flow Cats???

wow. thats pretty good. 14 in an auto.

G35S 6MT
Technosquare ECU
350Z Springs & Struts
6-wire ground kit
 
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Old Oct 22, 2003 | 10:43 AM
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Re: Hi flow Cats???

Yea I was suprised too!!!

2003 G35 Coupe AT(Silver)
Injen CAI
Borla cat back exhaust
Hyper Grounding 6 wires

1/4 14.083 MPH 98.20
60ft 2.141
 
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Old Oct 22, 2003 | 11:32 AM
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Re: Hi flow Cats???

Well, i would say get the test pipes. But if you are in CA, then just be careful. The fines are a pretty penny. On the test pipes, the person in back and side of you will smell the gas fumes but you should feel a good kick.


Nismo Swaybars, Radiator, & Oil Cap
Sun Automobile Hyperground w/ Voltage System
Gialla Front Grill, Volk LE37-T, Blitz Filter
 
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Old Oct 22, 2003 | 12:29 PM
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Re: Hi flow Cats???

in CA.. if you get caught not only will they impound your car. you will be fined for $1000 and the cost to fix your car. on top of all that you will be doing 100hours of community service. if you think that is bad, they might also give you jail time. how do i know all this? my friend got caught with a test pipe... poor guy~

Friends don't let friends drive stock
 
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Old Oct 22, 2003 | 01:32 PM
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From: Indpls
Re: Hi flow Cats???

Do you guys have race headers out for your car? You can always go catless (if you're not in a state that does visual inspections for emissions)...or you could have a shop weld a high flow cat onto the race header. That would keep you "legal." I know this mod for my car makes pretty significant gains...Just wanted to throw that out.

Also, the only two companies I know of that make hi-flow cats are Random Technology and Carsound..but Culmination is right. If you're in Cali, don't mess with it. Its probably not worth it.

2002 NBP RSX-S
Hondata, AEM V2, DC SS adapter w/ metal bushings
 
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Old Oct 22, 2003 | 01:45 PM
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Re: Hi flow Cats???

Well I'm from New Jersey, even though we are the second strictest state, I think I can get away with the straight pipes. Plus if I run into some problems, I'll just throw on the stock cats.

2003 G35 Coupe AT(Silver)
Injen CAI
Borla cat back exhaust
Hyper Grounding 6 wires

1/4 14.083 MPH 98.20
60ft 2.141
 
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Old Oct 22, 2003 | 01:53 PM
  #14  
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Re: Hi flow Cats???

Where can I buy the random tech cats and how much?
and which straight pipes are better, the Mine's or the Espirit?

2003 G35 Coupe AT(Silver)
Injen CAI
Borla cat back exhaust
Hyper Grounding 6 wires

1/4 14.083 MPH 98.20
60ft 2.141
 
Reply
Old Oct 23, 2003 | 10:16 AM
  #15  
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From: Covina, CA
Re: Hi flow Cats???

You can get the Random cat's from Performance Nissan 626-305-3000 in CA. Talk to Jenny or Jeff. I think they are $550 or something like that. I think the test pipes are all the same but probably just the location of the bung hole. I know that Mines test pipes fit the G35's. Havent heard anything about the Esprit ones. I personally would go with the Mines cause it sounds really cool [img]/w3timages/icons/cool.gif[/img]!!!


Nismo Swaybars, Radiator, & Oil Cap
Sun Automobile Hyperground w/ Voltage System
Gialla Front Grill, Volk LE37-T, Blitz Filter
 
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