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Old 09-12-2012, 11:40 AM
  #521  
doshoru
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Currently have a Borla TD installed. I bought a TDX v2 with the plan of using the XYZ HFC module...then found out that the v2 eliminates the HFC section. I'm going to install the PPE's and see how it sounds with the Borla. From there, I'm either going to weld some HFC's into the Borla somewhere, or buy replacement TDX v2 midpipes with HFCs ($440...).

Have a feeling I'll probably go the Borla route, as the TDX v2 is essentially a straight-through and would be loud as hell. Had a JIC semi-Ti single, and it was wayyyyy too loud.
Old 09-12-2012, 11:49 AM
  #522  
terrasmak
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My car will be

PPE headers
XYZ pipe with resonater module (will probably grab a straight section too , need a cat section also for Global Time Attack)
Motordyne single Shockwave (old version with megaphone)

It was really loud before with the DC headers and Berk HFC, i have a feeling it will be a bit louder.

Also, i'm not going to do lame *** sound clip stuff. They always sounds so much different in person.
Old 09-12-2012, 12:34 PM
  #523  
KingBaby
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HR PPE Headers
Injen long tube intakes
AAM Y-pipe
AAM 3" inch single which has a small resonator on it.

I'll do some sounds clips, just cause!

So far just recieved the O2 extensions
Old 09-12-2012, 12:44 PM
  #524  
doshoru
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Are you guys still capable of hearing?
Old 09-12-2012, 12:48 PM
  #525  
KingBaby
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I actually have flight deck double hearing protection in the car now...

Cruising under3k under 55mph isn't too bad...
Old 09-12-2012, 12:53 PM
  #526  
terrasmak
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Originally Posted by doshoru
Are you guys still capable of hearing?
Inside the car isn't to bad at 3k 80mph , outside the car sucks. High RPMs on the track is freaking loud, but the helmet knocks down the noise a bit
Old 09-12-2012, 02:42 PM
  #527  
hydeciel
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Originally Posted by KingBaby
HR PPE Headers
Injen long tube intakes
AAM Y-pipe
AAM 3" inch single which has a small resonator on it.

I'll do some sounds clips, just cause!

So far just recieved the O2 extensions
Did you ever know that you are my hero? Can't wait to hear that clip!
Originally Posted by terrasmak
Inside the car isn't to bad at 3k 80mph , outside the car sucks. High RPMs on the track is freaking loud, but the helmet knocks down the noise a bit
I would love to see a video of you on the track with audio!

Can't wait to see more dynos!!! Empirical data for the win!
Old 09-12-2012, 02:58 PM
  #528  
denchan350gt
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Originally Posted by doshoru
Currently have a Borla TD installed. I bought a TDX v2 with the plan of using the XYZ HFC module...then found out that the v2 eliminates the HFC section. I'm going to install the PPE's and see how it sounds with the Borla. From there, I'm either going to weld some HFC's into the Borla somewhere, or buy replacement TDX v2 midpipes with HFCs ($440...).

Have a feeling I'll probably go the Borla route, as the TDX v2 is essentially a straight-through and would be loud as hell. Had a JIC semi-Ti single, and it was wayyyyy too loud.
MD has a HFC section for the V2 you just have to PM hydrazine (MD) for info to purchase.
Old 09-12-2012, 03:57 PM
  #529  
Voboy
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^- i think the xyz addon section requires the use of a small muffler for the tdx exhaust

Old 09-12-2012, 03:59 PM
  #530  
Suwaidi
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The optional HFC's for the V1 are attached to the XYZ pipe.
The optional HFC's for the V2 are built into the mid-pipes.

PM Tony (Hydrazine) for pricing on the mid-pipes or give him a call.
Old 09-12-2012, 06:10 PM
  #531  
terrasmak
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So I payed extra on UPS.com to have them drop off the headers at her place today, I knew she would be home. Got the final notice on my door , freaking idiots. Tomorrow, not sure if she will be home all day, lucky me.
Old 09-12-2012, 06:13 PM
  #532  
hydeciel
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Originally Posted by terrasmak
So I payed extra on UPS.com to have them drop off the headers at her place today, I knew she would be home. Got the final notice on my door , freaking idiots. Tomorrow, not sure if she will be home all day, lucky me.
They will hold them at a UPS facility near you for a few extra days for you to pick up. In fact, I think you can select which UPS they send it to. I've done it many times, so not all hope is lost!
Old 09-12-2012, 07:09 PM
  #533  
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Originally Posted by hydeciel
They will hold them at a UPS facility near you for a few extra days for you to pick up. In fact, I think you can select which UPS they send it to. I've done it many times, so not all hope is lost!
Down in the hood, of course I'm working 6 days this week .
Old 09-12-2012, 07:27 PM
  #534  
doshoru
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Originally Posted by denchan350gt
MD has a HFC section for the V2 you just have to PM hydrazine (MD) for info to purchase.
I know, I stated so in my post

Originally Posted by doshoru
Originally Posted by doshoru
Currently have a Borla TD installed. I bought a TDX v2 with the plan of using the XYZ HFC module...then found out that the v2 eliminates the HFC section. I'm going to install the PPE's and see how it sounds with the Borla. From there, I'm either going to weld some HFC's into the Borla somewhere, or buy replacement TDX v2 midpipes with HFCs ($440...).
It's actually two HFC's on the v2 -- the HFCS are welded into two replacement midpipes between the 1-into-2 resonator and the canisters.
Old 09-12-2012, 08:17 PM
  #535  
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The V2 HFC mid section should be around $200, yes it goes between the mid resonator and the rear axle backs.

Do not underestimate the affect that the Helmholtz resonators have on the sound level, especially when you have the HFC's inline. My full system with ART pipes and TDX2 is a DD and works fine. However, the ART pipes have Helmholtz as well.
Old 09-12-2012, 08:26 PM
  #536  
Andrei
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Originally Posted by 3hree5ive0ero
^ Would you happen to know why the collector and the subsequent piping cannot be matched in diameter? And please, don't reply with "this happened to me before;" that's not a reason or an explanation to anything.
Because I'm matching the 2.5" test pipes on my car right now with a Y pipe and it's has incredible back pressure and no top end compared to a divorced dual 3" which I need to redo and end at the rear diff.

Last edited by Andrei; 09-12-2012 at 08:28 PM.
Old 09-12-2012, 09:46 PM
  #537  
juicinjake
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Originally Posted by denchan350gt
I'll make a before and after video tonight. I have vids with the Gemini before and after with the LTH and my car revving next to a 350z with TPS and my old Gemini exhaust vs my new exhaust.

The car will be louder how much really depends on your exhaust. If you exhaust is already loud with TPs then it will be louder with LTs.

The LTs with the invidia gemini was not that loud, but with my new exhaust it's very loud, but I like it the exhaust note turns heads.

Jake make before/after vids since you have a shockwave.
thats a good idea. if i can find someone with a camera ill see what i can do.
Old 09-13-2012, 04:54 AM
  #538  
rich2342
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Originally Posted by doshoru
I know, I stated so in my post



It's actually two HFC's on the v2 -- the HFCS are welded into two replacement midpipes between the 1-into-2 resonator and the canisters.

Full TDX 2 with LTH's would be the nuts... I can only imagine how sweet that set up would sound.
Old 09-13-2012, 05:09 AM
  #539  
Tougelabs
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I went from DC headers and test pipes to the LTH's and all I noticed was a change in pitch and tone...And power !

BTW I run a single exit titan, for now till I finish mocking up the new RDZ single exit and or Dual

Last edited by Tougelabs; 09-13-2012 at 06:18 AM.
Old 09-13-2012, 05:13 AM
  #540  
KingBaby
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Originally Posted by Tougelabs
I went from DC headers and test pipes to the LTH's and all I noticed was a change in pitch and tone...And power !


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