Stock cat?

AlexRaymond19 · 01-19-2013, 10:38 PM

Does anyone know what the smallest diameter inside the stock cats? I was wondering if the old soak them in kerosene and light them on fire until the insides crumble and fall out to make better flow would work? Just a thought...

DEpointfive0 · 01-19-2013, 11:00 PM

Are you serious? Lol

chrischhorn · 01-20-2013, 01:40 AM

Quote:

Originally Posted by DEpointfive0

Are you serious? Lol

Test pipes are $100....why not just buy a set instead of making your own out of something you may need to use in the future lol.

Romulus1 · 01-20-2013, 01:51 AM

you spent $30k+ on this car, please please please do it right and buy high flow cats or test pipes. I dont understand peoples need to half *** things. If you cant "afford" it or what ever, wait till you can or its in budget so its CORRECT

DEpointfive0 · 01-20-2013, 02:04 AM

You know what... It's not a bad idea if Maine has REALLY strict smog laws, but doesn't do a sniffer test, but I somehow doubt that and I think the OP is being cheap, lol

OP, if you really want, give me $40 and your stock cats, I'll give you my resonated test pipes

DarkJak · 01-20-2013, 04:00 AM

Yeah, actual test pipes will give you better gains, sound better, and save weight. Plus, if you look in the for sale section, you'll be able to find used test pipes (often resonated) for under 150.

AlexRaymond19 · 01-20-2013, 09:00 PM

I'm not cheap, and i can def afford pretty much what ever i want to do with the car. I was just wondering if anyone has done this or heard of doing this on a Z. Its an old school trick i heard about, and was trying to see if it was just ********. Maybe i should have been more exact with what i said...

red6spd · 01-20-2013, 09:12 PM

Never heard of this and I'm pretty sure no one has done it on their Z on this forum. Get yourself some good test pipes might I recommend Fast Intentions.

Trips · 01-20-2013, 09:20 PM

Quote:

Originally Posted by AlexRaymond19

I'm not cheap, and i can def afford pretty much what ever i want to do with the car. I was just wondering if anyone has done this or heard of doing this on a Z. Its an old school trick i heard about, and was trying to see if it was just ********. Maybe i should have been more exact with what i said...

To be honest not something most would do as the feedback you've gotten already, But if you want to do that? Thats your discretion.

I would use a metal pole to bust out the ceramic honeycomb it should take you about half an hour to get it done.

Mike · 01-20-2013, 09:33 PM

I did it on my 350z. Not the way you are mentioning, but I did gut them. Its all the advantages of test pipes without the rasp and passes a visual inspection. I did it because my supercharged engine had a misfire and burned one up anyway, so I wanted to see how they would perform.

eastwest2300 · 01-20-2013, 09:41 PM

This sounds crazy.. but pretty cool.

chrischhorn · 01-20-2013, 09:44 PM

Quote:

Originally Posted by Mike

I did it on my 350z. Not the way you are mentioning, but I did gut them. Its all the advantages of test pipes without the rasp and passes a visual inspection. I did it because my supercharged engine had a misfire and burned one up anyway, so I wanted to see how they would perform.

No rasp on mine

Momentum headers, Top Speed resonated test pipes, CNT Exhaust

Probably helps that test pipes are resonated, exhuast has 18" resonators and muffler canisters like the HKS exhaust lol.

Mike · 01-20-2013, 09:48 PM

I don't have rasp on mine either, and I'm straight pipes all the way to my two tiny glasspacks, but I don't operate my car below 4000 rpm, ever.

AlexRaymond19 · 01-23-2013, 01:29 PM

Quote:

Originally Posted by Mike

I don't have rasp on mine either, and I'm straight pipes all the way to my two tiny glasspacks, but I don't operate my car below 4000 rpm, ever.

TeamARK · 01-24-2013, 11:57 AM

Quote:

Originally Posted by AlexRaymond19

Does anyone know what the smallest diameter inside the stock cats? I was wondering if the old soak them in kerosene and light them on fire until the insides crumble and fall out to make better flow would work? Just a thought...

Just go with a testpipe. Eventually you will need the stock cats again to pass smog.

01-19-2013, 10:38 PM	#1 (permalink)
AlexRaymond19 Track Member Join Date: Jun 2011 Location: Maine Posts: 771 Drives: 2010 Nissan 370z Rep Power: 14	Stock cat? Does anyone know what the smallest diameter inside the stock cats? I was wondering if the old soak them in kerosene and light them on fire until the insides crumble and fall out to make better flow would work? Just a thought... Mitco39 likes this. __________________ 2010 370Z Touring MT \| Stillen \| Motordyne \| Momentum\| Z1 \| Fast Intentions \| Advant Garde \| RE11 \| Swift \| SPC \| Quaife \| Whiteline \| Evo R \| 322RWHP 259ft-lb Mustang

01-20-2013, 01:51 AM	#4 (permalink)
Romulus1 Track Member Join Date: May 2011 Location: Long Island, NY Posts: 691 Drives: '11 370Z Sport 6MT Rep Power: 14	you spent $30k+ on this car, please please please do it right and buy high flow cats or test pipes. I dont understand peoples need to half *** things. If you cant "afford" it or what ever, wait till you can or its in budget so its CORRECT JC671, nepali, Felix 808 and 2 others like this. __________________ 11 SR 370Z Sport 6MT - Sold 03 Escalade AWD - Sold 13 Silverado LTZ Z71 Crew Cab

01-20-2013, 09:00 PM	#7 (permalink)
AlexRaymond19 Track Member Join Date: Jun 2011 Location: Maine Posts: 771 Drives: 2010 Nissan 370z Rep Power: 14	I'm not cheap, and i can def afford pretty much what ever i want to do with the car. I was just wondering if anyone has done this or heard of doing this on a Z. Its an old school trick i heard about, and was trying to see if it was just ******. Maybe i should have been more exact with what i said... __________________ 2010 370Z Touring MT \| Stillen \| Motordyne \| Momentum\| Z1 \| Fast Intentions \| Advant Garde \| RE11 \| Swift \| SPC \| Quaife \| Whiteline \| Evo R \| 322RWHP 259ft-lb Mustang**

01-20-2013, 09:12 PM	#8 (permalink)
red6spd A True Z Fanatic Join Date: Apr 2010 Location: Long Island NY Posts: 3,277 Drives: 2010 Z Coupe M6 SPT Rep Power: 21	Never heard of this and I'm pretty sure no one has done it on their Z on this forum. Get yourself some good test pipes might I recommend Fast Intentions. __________________ 2010 Base+Sport 6spd: Stillen G3, FI Non-Resonated CBE, FI Non-Resonated Test Pipes, UpRev Tuned, Custom 24R Oil Cooler, JDM Rear Fog-OEM Harness. ???Whp ???WTQ (Will find out come spring time)

01-20-2013, 09:33 PM	#10 (permalink)
Mike The370Z.com Sponsor Join Date: Jun 2009 Location: Loganville, GA Posts: 5,944 Drives: 370z Rep Power: 2185	I did it on my 350z. Not the way you are mentioning, but I did gut them. Its all the advantages of test pipes without the rasp and passes a visual inspection. I did it because my supercharged engine had a misfire and burned one up anyway, so I wanted to see how they would perform. AlexRaymond19 likes this. __________________ NISSAN: 75 280Z / 86 300ZX GLL /87 Sentra SE / 03 350Z / 23 Z Porsche: 93 968 / 23 Macan GTS / 93 968

01-19-2013, 11:00 PM	#2 (permalink)
DEpointfive0 Premium Member Bitches Join Date: Jan 2012 Location: SoCal Posts: 14,824 Drives: a lot Rep Power: 17151	Are you serious? Lol

01-20-2013, 02:04 AM	#5 (permalink)
DEpointfive0 Premium Member Bitches Join Date: Jan 2012 Location: SoCal Posts: 14,824 Drives: a lot Rep Power: 17151	You know what... It's not a bad idea if Maine has REALLY strict smog laws, but doesn't do a sniffer test, but I somehow doubt that and I think the OP is being cheap, lol OP, if you really want, give me $40 and your stock cats, I'll give you my resonated test pipes

01-20-2013, 04:00 AM	#6 (permalink)
DarkJak A True Z Fanatic Join Date: Jun 2011 Location: Madison, WI Posts: 1,390 Drives: 2009 370Z Rep Power: 13448	Yeah, actual test pipes will give you better gains, sound better, and save weight. Plus, if you look in the for sale section, you'll be able to find used test pipes (often resonated) for under 150.

01-20-2013, 09:41 PM	#11 (permalink)
eastwest2300 A True Z Fanatic Join Date: May 2010 Location: South FL Posts: 90,815 Drives: '16QX70/'21 Supra3.0 Rep Power: 2684549	This sounds crazy.. but pretty cool. __________________ Infiniti QX70 & Toyota Supra 3.0 Premium

01-20-2013, 09:48 PM	#13 (permalink)
Mike The370Z.com Sponsor Join Date: Jun 2009 Location: Loganville, GA Posts: 5,944 Drives: 370z Rep Power: 2185	I don't have rasp on mine either, and I'm straight pipes all the way to my two tiny glasspacks, but I don't operate my car below 4000 rpm, ever. ts-c63, AlexRaymond19, chrischhorn and 1 others like this. __________________ NISSAN: 75 280Z / 86 300ZX GLL /87 Sentra SE / 03 350Z / 23 Z Porsche: 93 968 / 23 Macan GTS / 93 968

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