so i chopped off my resonators....

UNKNOWN_370 · 03-16-2012, 07:45 PM

Ok, so being I seriously want to go FI so I figured gettin an exhaust now will have serious trade-offs and be potentially costly.
If I get a turbo exhaust now? For 18 months or so I will most likely be losing unnecessary torque until I get an actual turbo. If I get a NA exhaust now it won't be as beneficial. I can wait and drive around in this HOOTTT azz car with a Bit*CHY exhaust or I can just chop off the resonators till turbo time comes....

Well, I was shocked how chopping off a resonator can really wake this car up in sound and a little bit in performance. Well on thing I noticed was a mild torque loss in principle accel. Only like the first 2k. But you have to really be searching to notice. Then 2k-4k is exactly the same. Over 4k there's a slight increase in torque feel.
Mind you, chopping off the res is not going to give you any real performance gain. But it felt like it just changed when performance kicks in a little but. You notice it more on full accel vs brisk accel. Brisk accel feels the same to slightly less and full feels slightly more.

THE SOUND

Its nuts. Its what the VQ should sound like. I thought maybe I would need a G muffler swap to get the VQ sound. Its actually the resonator NOT the muffler killing the VQ sound it is LOUD. Nothing changes in cruising speed. But you will always hear your exhaust whether slight accel or gunning it. Turning the car on always sounds aggressive. Whether HOT or COLD start. That's what I love most about the res-chop. I think a Y pipe and HFC will be enough as far as sound till I go turbo.

THE COST?

$45 A RES which adds up to $90.

I put this in general discussions cuz I'm just sharing some info and an experience. If you guys feel this belongs in the Intake exhaust area? Then kool. Sorry if I Fked up.

onzedge · 03-16-2012, 07:50 PM

UNKNOWN_370 · 03-16-2012, 07:52 PM

Quote:

Originally Posted by onzedge

I should have taken pics when they did it. It didn't even dawn on me. But tomorrow morning I will jack my car up and get a photo from under the car.

onzedge · 03-16-2012, 07:55 PM

Quote:

Originally Posted by UNKNOWN_370

I should have taken pics when they did it. It didn't even dawn on me. But tomorrow morning I will jack my car up and get a photo from under the car.

Thanks!

Rui Z · 03-16-2012, 09:32 PM

Get the G37 coupe muffler (~$100 used). It sounds alot better.

Flushnismo · 03-16-2012, 09:43 PM

I did the same thing and just welded straight pipes in place of the resonators, and I have aam short tails on mine too. Check the videos I posted a few days ago.

Here's one.
370z straight exhaust with AAM short tails - YouTube

UNKNOWN_370 · 03-16-2012, 11:40 PM

Quote:

Originally Posted by Flushnismo

I did the same thing and just welded straight pipes in place of the resonators, and I have aam short tails on mine too. Check the videos I posted a few days ago.

Here's one.
370z straight exhaust with AAM short tails - YouTube

It sounds similar to my mod except, even though there's added depth with no resonators... there is more depth to yours. How's the cabin volume with the short tails???

UNKNOWN_370 · 03-16-2012, 11:42 PM

Quote:

Originally Posted by Rui Z

Get the G37 coupe muffler (~$100 used). It sounds alot better.

Really? Did you chop your resonator and get the G muffler? I was thinking NISMO or IPL, if I do swap out mufflers. People want like $300 minimum for those so far. If someone will part for $200 used I would do it.

XwChriswX · 03-16-2012, 11:44 PM

Could have just ordered a set of Test Pipes, then sold them when you went F.I. or kept them still since they'd be just as useful?

And just FYI, the F.I. 2.5" exhaust works for both N/A and TT/SC applications...

Flushnismo · 03-16-2012, 11:49 PM

Quote:

Originally Posted by UNKNOWN_370

It sounds similar to my mod except, even though there's added depth with no resonators... there is more depth to yours. How's the cabin volume with the short tails???

It's pretty aggressive but there isn't too much drone on the highway.

NoirG · 03-17-2012, 12:11 AM

Quote:

Originally Posted by Rui Z

Get the G37 coupe muffler (~$100 used). It sounds alot better.

I have one for sale for 50+shipping, anyone interested

?

UNKNOWN_370 · 03-17-2012, 12:46 AM

Quote:

Originally Posted by XwChriswX

Could have just ordered a set of Test Pipes, then sold them when you went F.I. or kept them still since they'd be just as useful?

And just FYI, the F.I. 2.5" exhaust works for both N/A and TT/SC applications...

I'm still getting HFC pipes.

And for your FYI, even though 2.5 works. 3" pipes are optimum. If I'm spending nearly 18 grand on a proper turbo system??? I'm putting the proper exhaust.

But thanks for the advice.

UNKNOWN_370 · 03-17-2012, 12:50 AM

Quote:

Originally Posted by Flushnismo

It's pretty aggressive but there isn't too much drone on the highway.

I'm surprised I actually have no drone that I can detect so far. I think I'm probably going to get the HFC from FI though. Your short tails do sound awesome.

XwChriswX · 03-17-2012, 01:08 AM

Quote:

Originally Posted by UNKNOWN_370

I'm still getting HFC pipes.

And for your FYI, even though 2.5 works. 3" pipes are optimum. If I'm spending nearly 18 grand on a proper turbo system??? I'm putting the proper exhaust.

But thanks for the advice.

Why are you paying to remove the cats... to buy HFC's? That's just like...

And if you're spending 18k on a turbo kit... who are you going through?!

What mods are included with that aside from the kit itself?

Yes I know 3" is optimal, but you won't be hurting if you get a 2.5" system like you might be thinking...

sfearl1 · 03-17-2012, 01:48 AM

Quote:

Originally Posted by UNKNOWN_370

I'm still getting HFC pipes.

And for your FYI, even though 2.5 works. 3" pipes are optimum. If I'm spending nearly 18 grand on a proper turbo system??? I'm putting the proper exhaust.

But thanks for the advice.

hmm, you're getting the 3" over the 2.5" cbe bc you want optimum performance... but you're getting HFC's over test pipes bc... ?

03-16-2012, 07:45 PM	#1 (permalink)
UNKNOWN_370 A True Z Fanatic Join Date: Jul 2009 Location: ny'r livn in tx Posts: 8,687 Drives: well over 130m.p.h. Rep Power: 14858	so i chopped off my resonators.... Ok, so being I seriously want to go FI so I figured gettin an exhaust now will have serious trade-offs and be potentially costly. If I get a turbo exhaust now? For 18 months or so I will most likely be losing unnecessary torque until I get an actual turbo. If I get a NA exhaust now it won't be as beneficial. I can wait and drive around in this HOOTTT azz car with a Bit*CHY exhaust or I can just chop off the resonators till turbo time comes.... Well, I was shocked how chopping off a resonator can really wake this car up in sound and a little bit in performance. Well on thing I noticed was a mild torque loss in principle accel. Only like the first 2k. But you have to really be searching to notice. Then 2k-4k is exactly the same. Over 4k there's a slight increase in torque feel. Mind you, chopping off the res is not going to give you any real performance gain. But it felt like it just changed when performance kicks in a little but. You notice it more on full accel vs brisk accel. Brisk accel feels the same to slightly less and full feels slightly more. THE SOUND Its nuts. Its what the VQ should sound like. I thought maybe I would need a G muffler swap to get the VQ sound. Its actually the resonator NOT the muffler killing the VQ sound it is LOUD. Nothing changes in cruising speed. But you will always hear your exhaust whether slight accel or gunning it. Turning the car on always sounds aggressive. Whether HOT or COLD start. That's what I love most about the res-chop. I think a Y pipe and HFC will be enough as far as sound till I go turbo. THE COST? $45 A RES which adds up to $90. I put this in general discussions cuz I'm just sharing some info and an experience. If you guys feel this belongs in the Intake exhaust area? Then kool. Sorry if I Fked up.

03-16-2012, 07:50 PM	#2 (permalink)
onzedge A True Z Fanatic Join Date: Apr 2010 Location: Battle Lake MN Age: 64 Posts: 183,964 Drives: 370Z 240Z Rep Power: 2684736	__________________ Koni\|Swift\|Michelin\|Motordyne\|Berk\|RJM Performance\|Gates\|SPL\|Motul\|Technafit\|Ate Super Blue\|Hawk Tommy Kaira\|Momo\|Optima\|Hella\|Hotchkis\|Red Line\|ZSpeed\|Stillen\|B&M\|H&R

03-16-2012, 09:32 PM	#5 (permalink)
Rui Z Track Member Join Date: Feb 2010 Location: (.)(.) Posts: 931 Drives: 8====D Rep Power: 16	Get the G37 coupe muffler (~$100 used). It sounds alot better. __________________

03-16-2012, 09:43 PM	#6 (permalink)
Flushnismo A True Z Fanatic Join Date: Dec 2010 Location: Amarillo, TX Posts: 1,041 Drives: 2010 Boosted 40th Rep Power: 16	I did the same thing and just welded straight pipes in place of the resonators, and I have aam short tails on mine too. Check the videos I posted a few days ago. Here's one. 370z straight exhaust with AAM short tails - YouTube __________________ AeroJacket l BC Racing l B&M l K&N l EVO-R l TWM Performance l Tanabe l AAM l Drop Engineering l Zenclosure Last edited by Flushnismo; 03-16-2012 at 09:45 PM.

03-16-2012, 11:44 PM	#9 (permalink)
XwChriswX WFLYIDNNE Join Date: Jul 2009 Location: In The Fastlane Posts: 50,648 Drives: 02 GDB WRX Rep Power: 452	Could have just ordered a set of Test Pipes, then sold them when you went F.I. or kept them still since they'd be just as useful? And just FYI, the F.I. 2.5" exhaust works for both N/A and TT/SC applications... __________________ Bonnie - Stage 2, Audio build coming this fall! R.I.P. Abby 3/29/10 - 3/30/14

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