MOTORDYNE ART Pipes - Review

modme · 12-21-2011, 07:49 PM

Is there any reason no one is using Ultra Copper RTV? It has higher temperature ratings thans Red RTV and designed for exhaust flanges.

ChrisSlicks · 12-21-2011, 08:32 PM

Quote:

Originally Posted by modme

Is there any reason no one is using Ultra Copper RTV? It has higher temperature ratings thans Red RTV and designed for exhaust flanges.

That's what I plan on using the next time I pull them off. It's only an extra 100 degrees or so but I'll take it.

ronn1 · 12-21-2011, 10:42 PM

Quote:

Originally Posted by modme

Is there any reason no one is using Ultra Copper RTV? It has higher temperature ratings thans Red RTV and designed for exhaust flanges.

I asked Tony about Copper RTV....takes a lot longer to cure.

advan37 · 12-23-2011, 05:28 AM

I installed FI resonated-HFC 2 month back , using only RED RTV sealant is not enough , i got leak after one week , so i made gaskets myself and i used Ultra Copper RTV . I don't no why Fast Intention not sending one.

+ the cats core (passenger side) is freely moving inside and making bad rattling/noise , after short time of using , when i contact Fast Intention regarding this issue they said its normal .

I wish i bought ART pipes Instead .

Flyboy · 12-23-2011, 09:36 AM

Quote:

Originally Posted by advan37

I installed FI resonated-HFC 2 month back , using only RED RTV sealant is not enough , i got leak after one week , so i made gaskets myself and i used Ultra Copper RTV . I don't no why Fast Intention not sending one.

+ the cats core (passenger side) is freely moving inside and making bad rattling/noise , after short time of using , when i contact Fast Intention regarding this issue they said its normal .

I wish i bought ART pipes Instead .

how long has the home made gasket lasted you?

600$ for pipes and leaking gaskets = FAIL.

advan37 · 12-23-2011, 02:12 PM

2 week now .

I am thinking to put the stock cats back , this rattling from the F.I resonated cats makes me crazy .

Quote:

Originally Posted by Flyboy

how long has the home made gasket lasted you?

600$ for pipes and leaking gaskets = FAIL.

F.I. Inc. · 12-24-2011, 10:34 AM

Quote:

Originally Posted by advan37

2 week now .

I am thinking to put the stock cats back , this rattling from the F.I resonated cats makes me crazy .

It is not normal and if it is faulty, I will send you out a new side free of charge. When we spoke last I needed you to troubleshoot and figure out if it was the cat or the resonator. From you last correspondence I now know it is the cat.

The cats are consisted of a 300 cell metallic core with a spun stainless steel case. The case slides over the core and than is necked down on each side to lock the core in place. Sometimes (but very rare) the core might start to move back in forth inside the case. We are talking 1/8"-1/4" TOPS! It can and never will come out of the case! Now the stainless steel expands and contracts with thermal cycles of the car. When it gets hot it expands, when it gets cold it contracts. The metallic core does not expand or contract.

Now as far as the rattling noise you hear, I do not know what that is. You are 15,000 miles away from me and I would need to hear a sound clip to pinpoint it.

I can tell you our cats are extremely high quality. They do not throw a CEL light when installed properly. They make great power and I have customers cars with 75,000+ miles on them.

Now sure can one go bad, it is a possibility. I can count on less than one hand how many have had an issue over the years. For the hundreds if not thousands that we have built and sold, I will take those percentages any day.

I will PM this directly to you as well, so we can get it rectified...

Thank you & Happy Holidays,

Tony

advan37 · 12-25-2011, 02:21 AM

Quote:

Originally Posted by F.I. Inc.

It is not normal and if it is faulty, I will send you out a new side free of charge. When we spoke last I needed you to troubleshoot and figure out if it was the cat or the resonator. From you last correspondence I now know it is the cat.

The cats are consisted of a 300 cell metallic core with a spun stainless steel case. The case slides over the core and than is necked down on each side to lock the core in place. Sometimes (but very rare) the core might start to move back in forth inside the case. We are talking 1/8"-1/4" TOPS! It can and never will come out of the case! Now the stainless steel expands and contracts with thermal cycles of the car. When it gets hot it expands, when it gets cold it contracts. The metallic core does not expand or contract.

Now as far as the rattling noise you hear, I do not know what that is. You are 15,000 miles away from me and I would need to hear a sound clip to pinpoint it.

I can tell you our cats are extremely high quality. They do not throw a CEL light when installed properly. They make great power and I have customers cars with 75,000+ miles on them.

Now sure can one go bad, it is a possibility. I can count on less than one hand how many have had an issue over the years. For the hundreds if not thousands that we have built and sold, I will take those percentages any day.

I will PM this directly to you as well, so we can get it rectified...

Thank you & Happy Holidays,

Tony

You will get my PM with sound clip soon .

ronn1 · 12-24-2011, 05:00 PM

Quote:

Originally Posted by advan37

I installed FI resonated-HFC 2 month back , using only RED RTV sealant is not enough , i got leak after one week , so i made gaskets myself and i used Ultra Copper RTV . I don't no why Fast Intention not sending one.

+ the cats core (passenger side) is freely moving inside and making bad rattling/noise , after short time of using , when i contact Fast Intention regarding this issue they said its normal .

I wish i bought ART pipes Instead .

I see you live in UAE where AVERGE YEAR TEMP is around 95F or so. In fact, from May to Sept, the Ave is 100F. I wonder if that has something to do with your problems? Just a thought.

advan37 · 12-25-2011, 02:39 AM

Quote:

Originally Posted by ronn1

I see you live in UAE where AVERGE YEAR TEMP is around 95F or so. In fact, from May to Sept, the Ave is 100F. I wonder if that has something to do with your problems? Just a thought.

Installation done on 01/10/2011 , averge temp was 98F (37C) . I dont think its because temp , maybe from production.

ronn1 · 12-25-2011, 03:08 PM

Quote:

Originally Posted by advan37

Installation done on 01/10/2011 , averge temp was 98F (37C) . I dont think its because temp , maybe from production.

Well, this problem isn't very common at all and that factor seems to be something to consider. Consistant high ambient temps do stress the car in general..especially one that's high performance and driven hard. Hope you get the problrm resolved though.

G37sHKS · 12-25-2011, 01:43 PM

Quote:

Originally Posted by ronn1

I see you live in UAE where AVERGE YEAR TEMP is around 95F or so. In fact, from May to Sept, the Ave is 100F. I wonder if that has something to do with your problems? Just a thought.

What does UAE's weather have to do with the heat produced from engine??

ronn1 · 12-25-2011, 03:14 PM

Quote:

Originally Posted by G37sHKS

What does UAE's weather have to do with the heat produced from engine??

If you don't think an AVERAGE yearly temp of close to 100*F doesn't stresss the motor and everything else, I suggest you do some research. Much harder to keep engine temps (exhaust system as well) within optimal ranges.

G37sHKS · 12-29-2011, 02:16 PM

^

cheshirecat · 12-29-2011, 03:00 PM

Quote:

Originally Posted by ronn1

If you don't think an AVERAGE yearly temp of close to 100*F doesn't stresss the motor and everything else, I suggest you do some research. Much harder to keep engine temps (exhaust system as well) within optimal ranges.

Can you elaborate on these stresses, please? I'm also interested in a link to the research you mentioned.

12-21-2011, 07:49 PM	#1 (permalink)
modme Enthusiast Member Join Date: Mar 2009 Location: NY Posts: 345 Drives: G37 Rep Power: 17	Is there any reason no one is using Ultra Copper RTV? It has higher temperature ratings thans Red RTV and designed for exhaust flanges. __________________ GTM Twin Turbo Stage 2\|GTR Turbo/Engine Gauges\|KW V3 Coilovers\|HKS Exhaust\|Oil Cooler\| Vossen CV1

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12-23-2011, 05:28 AM	#4 (permalink)
advan37 Base Member Join Date: May 2011 Location: UAE Posts: 63 Drives: 08 G37 Rep Power: 15	I installed FI resonated-HFC 2 month back , using only RED RTV sealant is not enough , i got leak after one week , so i made gaskets myself and i used Ultra Copper RTV . I don't no why Fast Intention not sending one. + the cats core (passenger side) is freely moving inside and making bad rattling/noise , after short time of using , when i contact Fast Intention regarding this issue they said its normal . I wish i bought ART pipes Instead .

12-29-2011, 02:16 PM	#14 (permalink)
G37sHKS A True Z Fanatic Join Date: Feb 2010 Location: Dubai Posts: 1,183 Drives: 09 G37S Coupe 7AT Rep Power: 21	^