From HFC to test pipes

BOLIO 671 · 09-25-2013, 09:49 AM

Quote:

Originally Posted by 1cleanZ

I'm strictly asking TP's vs HFCs, benefits vs cons.

And no, test pipes will actually give you a lower, deeper tone, not higher. Yes they may create a bit of rasp, but that's the intent of having resonators in both the TP as well as the Xpipe IF going w/ that setup.

Nope not with the Z34's....maybe so with the G37, but from my personal experience with the VQ, TP's gave a higher pitched sound with rasp...closely similar to running LTH's....HFC's gave a deep tone for me....

But hey....sound is all subjective, especially in the exhaust department with these cars....what might sound high pitched to me might sound deep toned to u...hope u figure out what will sound and work best for you...I mean everyone could give you their take on whether to go HFC's/TP's but in the end its your car that you will be driving...

BOLIO 671 · 09-25-2013, 09:51 AM

Quote:

Originally Posted by roy'sz

To answer your question for the 3rd time in this thread. More hp with testpipe or more tq with hfc.

1cleanZ · 09-25-2013, 10:58 AM

Quote:

Originally Posted by BOLIO 671

Nope not with the Z34's....maybe so with the G37, but from my personal experience with the VQ, TP's gave a higher pitched sound with rasp...closely similar to running LTH's....HFC's gave a deep tone for me....

But hey....sound is all subjective, especially in the exhaust department with these cars....what might sound high pitched to me might sound deep toned to u...hope u figure out what will sound and work best for you...I mean everyone could give you their take on whether to go HFC's/TP's but in the end its your car that you will be driving...

Hmmm, now I am curious if there was a difference between the G and Z, just with it being a shorter exhaust.

Right now, I'm leaning towards to setup I initially ordered, RHFCs paired with a NONresonated Xpipe. Will be louder then my G37 setup with no 18" resonator in the X, and the Z exhaust is quite a bit shorter making it even louder as well.

1cleanZ · 09-27-2013, 03:20 PM

Quote:

Originally Posted by BOLIO 671

Nope not with the Z34's....maybe so with the G37, but from my personal experience with the VQ, TP's gave a higher pitched sound with rasp...closely similar to running LTH's....HFC's gave a deep tone for me....

can anyone else vouch for this??? I would have thought it woulda been the opposite??

Mandingo · 09-27-2013, 06:47 PM

Bolio is correct from what I've experienced

Riptide67 · 09-29-2013, 12:44 AM

I paired up MD ART pipes with my FI exhaust today. There is no rasp and the sound is insanely beautiful. A great combination with no CEL light.

mag_black · 09-29-2013, 03:04 AM

^^^ The ART's really bring out the beautiful nuances of the FI exhaust -- who am I kidding, it sounds fvcking great!

snowsurfdirtx · 09-29-2013, 09:49 AM

Lance, I prefer the test pipes, and I don't care about smell.. its not that bad. The only thing that bothers me is the hiss on decel through the lower rpm range. I can hear it even in the car. RHFC's would probably kill most/all of the hiss you can hear inside, though.

Riptide67 · 09-29-2013, 12:08 PM

I couldn't believe how amazing it sounded. I could barely keep off the throttle along with the install of the Stillen G3's.

I was a bit scared going back to test pipes with my prior experience of Invidia's on my 350Z. But, I am glad I got back on the TP wagon with ART pipes. One hell I an amazing bolt on for our cars.

Only time I can really hear the hiss is first and second gear, but I like it oddly. I can't hear it in the car at all unless I have the volume knob to zero.

1cleanZ · 09-29-2013, 07:35 PM

I've elected to go with Resonated HFCs (had in my G37 and loved them). For the catback I went with a NONresonated Xpipe and SS canisters.

I've looked into MD, but just wouldn't consider it. Ran nothing but Fast Intentions on my G37, and not looking to change now. Only options for me were Resonated TPs or Resonated HFCs. The "pros & cons" of both, the HFCs came out on top. The midrange of TQ from 3500-5500 is higher in the HFCs, with the HP of the TP not surpassing the HFC until nearly 6k in the powerban.

What people don't realize is how much flow HFCs truly have.

BOLIO 671 · 09-30-2013, 12:14 PM

Quote:

Originally Posted by 1cleanZ

I've elected to go with Resonated HFCs (had in my G37 and loved them). For the catback I went with a NONresonated Xpipe and SS canisters.

I've looked into MD, but just wouldn't consider it. Ran nothing but Fast Intentions on my G37, and not looking to change now. Only options for me were Resonated TPs or Resonated HFCs. The "pros & cons" of both, the HFCs came out on top. The midrange of TQ from 3500-5500 is higher in the HFCs, with the HP of the TP not surpassing the HFC until nearly 6k in the powerban.

What people don't realize is how much flow HFCs truly have.

Good choice...about people not realizing how much flow HFC's have...you're right....but to them I say...They're not called "High Flow Cats" for nothing....

1cleanZ · 09-30-2013, 05:23 PM

Quote:

Originally Posted by BOLIO 671

Good choice...about people not realizing how much flow HFC's have...you're right....but to them I say...They're not called "High Flow Cats" for nothing....

I'm VERY pumped to get the system on and start breaking it in before winter comes. Not looking forward to having to store the car here soon

Damn midwest I tell ya!

BOLIO 671 · 10-01-2013, 08:07 AM

Quote:

Originally Posted by 1cleanZ

I'm VERY pumped to get the system on and start breaking it in before winter comes. Not looking forward to having to store the car here soon

Damn midwest I tell ya!

I can't imagine having to store away my Z and not drive it....

That really sucks....Glad that we don't have those issues here on Guam..Get to drive the Z 365 days a year....

I don't know how you guys all do it back there during the winter time

....But then again I could imagine that it would be hard to

a Z in the winter...

1cleanZ · 10-01-2013, 04:11 PM

Quote:

Originally Posted by BOLIO 671

I can't imagine having to store away my Z and not drive it....

That really sucks....Glad that we don't have those issues here on Guam..Get to drive the Z 365 days a year....

I don't know how you guys all do it back there during the winter time

....But then again I could imagine that it would be hard to

a Z in the winter...

I've owned a G35 5AT, a G37 6MT, and now my Nismo. The G35 was my daily driver right out of college, which I drove for 2 winters. It honestly wasn't that bad, and I didn't even have winter tires.

The main factor around storing my G37 and now my Nismo is avoiding the salt. It absolutely DESTROYS a car along w/ the goodies we install on it.

roy'sz · 10-01-2013, 07:28 PM

Quote:

Originally Posted by BOLIO 671

I can't imagine having to store away my Z and not drive it....

That really sucks....Glad that we don't have those issues here on Guam..Get to drive the Z 365 days a year....

I don't know how you guys all do it back there during the winter time

....But then again I could imagine that it would be hard to

a Z in the winter...

Cali 365 ;-)

09-27-2013, 06:47 PM	#20 (permalink)
Mandingo Track Member Join Date: Nov 2010 Location: Dallas Posts: 625 Drives: '10 370z 6spd Rep Power: 3370	Bolio is correct from what I've experienced __________________ some mods

09-29-2013, 12:44 AM	#21 (permalink)
Riptide67 A True Z Fanatic Join Date: Jul 2013 Location: Oak Harbor, WA Age: 36 Posts: 1,610 Drives: 09 Nismo #0483 PW Rep Power: 68	I paired up MD ART pipes with my FI exhaust today. There is no rasp and the sound is insanely beautiful. A great combination with no CEL light. mag_black likes this. __________________ 2009 Nismo 370Z and 1975 Datsun 280Z 2+2 - PNW_INC - Legacy_Ohana Follow me on Instagam @s3zero_z3four

09-29-2013, 03:04 AM	#22 (permalink)
mag_black A True Z Fanatic Join Date: Mar 2013 Location: Massachusetts Posts: 1,400 Drives: 09 370Z MT6 Rep Power: 666	^^^ The ART's really bring out the beautiful nuances of the FI exhaust -- who am I kidding, it sounds fvcking great! Riptide67 likes this. __________________ fujimura ≠ abbeyRoadCompany ≠ fastIntentions ≠ motordyne ≠ avantGarde ≠ ecutek ≠ nismo ≠ stillen ≠ stoptech ≠ gtm ≠ spl ≠ carbonfiberelement ≠ stance™

09-29-2013, 09:49 AM	#23 (permalink)
snowsurfdirtx Enthusiast Member Join Date: Sep 2012 Location: WA Posts: 285 Drives: Too Fast Rep Power: 12	Lance, I prefer the test pipes, and I don't care about smell.. its not that bad. The only thing that bothers me is the hiss on decel through the lower rpm range. I can hear it even in the car. RHFC's would probably kill most/all of the hiss you can hear inside, though. Riptide67 likes this. __________________ 11 Red Touring/Sport/Nav, 472/382wtq@7psi.. GTM/Tomei/Volk/Motordyne/Z1/JLAudio/Aeroforce/etc.. 95 S14 in progress, L33 v8.. T7575 turbo/SPL/MCA Suspension/Personal/Works Bell/OZ/etc..

09-29-2013, 12:08 PM	#24 (permalink)
Riptide67 A True Z Fanatic Join Date: Jul 2013 Location: Oak Harbor, WA Age: 36 Posts: 1,610 Drives: 09 Nismo #0483 PW Rep Power: 68	I couldn't believe how amazing it sounded. I could barely keep off the throttle along with the install of the Stillen G3's. I was a bit scared going back to test pipes with my prior experience of Invidia's on my 350Z. But, I am glad I got back on the TP wagon with ART pipes. One hell I an amazing bolt on for our cars. Only time I can really hear the hiss is first and second gear, but I like it oddly. I can't hear it in the car at all unless I have the volume knob to zero. __________________ 2009 Nismo 370Z and 1975 Datsun 280Z 2+2 - PNW_INC - Legacy_Ohana Follow me on Instagam @s3zero_z3four

09-29-2013, 07:35 PM	#25 (permalink)
1cleanZ A True Z Fanatic Join Date: Dec 2010 Location: Twin Cities, MN Posts: 1,132 Drives: '09 PW Nismo Rep Power: 20	I've elected to go with Resonated HFCs (had in my G37 and loved them). For the catback I went with a NONresonated Xpipe and SS canisters. I've looked into MD, but just wouldn't consider it. Ran nothing but Fast Intentions on my G37, and not looking to change now. Only options for me were Resonated TPs or Resonated HFCs. The "pros & cons" of both, the HFCs came out on top. The midrange of TQ from 3500-5500 is higher in the HFCs, with the HP of the TP not surpassing the HFC until nearly 6k in the powerban. What people don't realize is how much flow HFCs truly have. Leuz likes this. __________________ 2009 PW Nismo #0021 -My Built Progress >>1cleanG to 1cleanZ<< Team NextLevel Last edited by 1cleanZ; 09-29-2013 at 07:40 PM.

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