+ 370z Muffler Delete +

Phimosis · 06-05-2009, 01:31 AM

We've all come to agreement that taking the rear section off of a stock exhaust sounds pretty darm good.

Just don't try it with a Stillen exhaust. It sounds like CRAAAAAAP!

The Stillen rear exhaust section weighs 36.2 lbs!

With the rear section removed, the sound is very raspy, similar to how a trombone amplifies the simple vibration of your lips..... the straight pipes (with resonators, headers and cats) amplify each exhaust pulse to make a cacaphony high pitch exhaust harmonics accentuated by a base line of BLAT, BLAT, BLAT!

It does pull a nice 3rd gear scratch though.

-Phim

Boost_lee · 06-05-2009, 04:12 AM

Quote:

Originally Posted by batman_4

loving it still lol. just went to a meet and most of the 350 guys where amazed at how good it sounded. also raced a mustang on the way out (which i beat with ease i must say) and man does the exhaust scream!!! hadn't redlined the car like that without the muffler.

Dam, I saw you out at the meet but I didnt get to hear it

m4a1mustang · 06-05-2009, 07:30 AM

Dude I think that onboard sounds awesome... like a f'ing race car man. Not that I'd ever run that on the street but dude, sounds VERY MAD.

semtex · 06-05-2009, 09:31 AM

Phimosis, I think you need to take into account that you're running HFCs. Point being, I don't think it'd have sounded as raspy if you had the Stillen cat-back hooked up to stock cats, and then removed the rear section. That being said, I don't think it sounded all that bad.

Giving you some rep for doing this little experiment, btw.

batman_4 · 06-05-2009, 12:20 PM

Quote:

Originally Posted by Boost_lee

Dam, I saw you out at the meet but I didnt get to hear it

did i meet you last night because i met a few new faces yesterday? if not you should have stopped by

Phimosis · 06-05-2009, 09:54 PM

Quote:

Originally Posted by semtex

Phimosis, I think you need to take into account that you're running HFCs. Point being, I don't think it'd have sounded as raspy if you had the Stillen cat-back hooked up to stock cats, and then removed the rear section. That being said, I don't think it sounded all that bad.

Giving you some rep for doing this little experiment, btw.

Thanks!

I had an 84 Mustang with no cats. when I installed the headers I ran it around the neighborhood with open exhaust. Sounded like a dragster. Pretty cool. I had a '98 4V Mustang Cobra with Kenne Belle supercharger. Ran it with HFC's and open exhaust. Sounded really mean. Way too loud, but awesome sound. With Borla exhaust on it, it was sweet street ride. Point being, I've had experience with other cars with low backpressure exhaust and have it sound great.

I like the Stillen exhaust when it's all attached.... just a little quieter than what I like. I like a more racey sound. With that rear section off though, the sound is god awful. The camera microphone just doesnt quite catch how raspy and harsh the sound is. It's literally like someone is blowing a trombone right into you ears. It has so much BLAT, BLAT, BLAT that it reminds me of these guys that have 40's and 50's pickups with flat head V8's and 1.5" straight pipe coming from the headers with no Y pipe or H pipe to equal the pulses. I think a much racier sound can be found without the harsh acoustic qualities. One last thing is that there is no "cackle" on decel with the Stillen exhaust, but it does do it with the stock exhaust with rear section removed. It makes the stock exhaust with rear section removed very sexy sounding.

Boost_lee · 06-06-2009, 02:06 AM

Quote:

Originally Posted by batman_4

did i meet you last night because i met a few new faces yesterday? if not you should have stopped by

Nah bro, unfortunately I didn't get a chance to. Everytime I saw the z no one was by it, so I couldn't spot u. No biggie man, I'll catch ya at one of these meets. I'll try to be at the Sunday one if ur there.

It will help me make the decision on getting a z in a few months

semtex · 06-06-2009, 09:08 AM

Quote:

Originally Posted by Phimosis

One last thing is that there is no "cackle" on decel with the Stillen exhaust, but it does do it with the stock exhaust with rear section removed. It makes the stock exhaust with rear section removed very sexy sounding.

Hmm . . . I get cackle on decel with mine (assuming we mean the same thing by cackle). The only real difference in our intake/exhaust setups is that I have the Berk HFCs and you have the Stillen. I wonder if that's making a difference. I had more cackle before putting the headers on though.

batman_4 · 06-06-2009, 04:15 PM

Quote:

Originally Posted by Boost_lee

Nah bro, unfortunately I didn't get a chance to. Everytime I saw the z no one was by it, so I couldn't spot u. No biggie man, I'll catch ya at one of these meets. I'll try to be at the Sunday one if ur there.

It will help me make the decision on getting a z in a few months

Sunday meet? Where?

CCCLXXZ · 06-24-2009, 02:05 AM

I decided to remove the rear section of the muffler as well to see how the car sounded, stopped over at my buddies shop after work and I welded up a set of these to help direct the exhaust. Surprisingly the car sounds really great, zero rasp, very deep at idle and nice taper to a pretty tame upper rpm range. I am ordering up an exhaust tomorrow from a set of HFC and back. These will be available in private classified for anyone who wants to try them out.

Nick

Pictures are attached

batman_4 · 06-24-2009, 02:39 AM

Quote:

Originally Posted by CCCLXXZ

I decided to remove the rear section of the muffler as well to see how the car sounded, stopped over at my buddies shop after work and I welded up a set of these to help direct the exhaust. Surprisingly the car sounds really great, zero rasp, very deep at idle and nice taper to a pretty tame upper rpm range. I am ordering up an exhaust tomorrow from a set of HFC and back. These will be available in private classified for anyone who wants to try them out.

Nick

when i quote your post i see you put a link to a pic but it's not showing in the actual thread...

dat370zguy · 06-24-2009, 04:33 AM

I'm surprised no one has mentioned this but the 1st vid makes the 370z sound alot like a stock 350z. Slightly different but very similar, much more deep in tone.

corbin09 · 06-26-2009, 10:49 AM

I just did this muffler delete except i welded a pipe where the muffler goes. Sounds pretty good but i want to get rid of some of the drone or else ill put the stocker back on. Would resonators tame it out any????

jmlenz · 07-14-2009, 01:59 PM

def impressed by the sound from the muffler delete...sounds better than alot of full blown CB exhausts I have heard on this forum lol. Probably not much power to be had here but the weight savings + sound + $$$ makes for a decent DIY mod.

anyone thought of making turndowns bolted up right after the OEM cats? def pros and cons here

cotizi · 07-14-2009, 02:11 PM

im using custom turndowns right where the muffler bolted on until i can afford real exhaust. right after cats would probably be crazy loud?

06-05-2009, 01:31 AM	#46 (permalink)
Phimosis Enthusiast Member Join Date: May 2009 Location: Oildale, CA Posts: 412 Drives: 2013 911 4S Rep Power: 416	We've all come to agreement that taking the rear section off of a stock exhaust sounds pretty darm good. Just don't try it with a Stillen exhaust. It sounds like CRAAAAAAP! The Stillen rear exhaust section weighs 36.2 lbs! With the rear section removed, the sound is very raspy, similar to how a trombone amplifies the simple vibration of your lips..... the straight pipes (with resonators, headers and cats) amplify each exhaust pulse to make a cacaphony high pitch exhaust harmonics accentuated by a base line of BLAT, BLAT, BLAT! It does pull a nice 3rd gear scratch though. -Phim Last edited by Phimosis; 06-05-2009 at 01:39 AM.

06-05-2009, 07:30 AM	#48 (permalink)
m4a1mustang A True Z Fanatic Join Date: Feb 2009 Location: Northern VA Posts: 55,385 Drives: on two wheels Rep Power: 6962	Dude I think that onboard sounds awesome... like a f'ing race car man. Not that I'd ever run that on the street but dude, sounds VERY MAD. __________________ - Steve Zs & Coffee - Saturdays at 10AM in Fairfax, VA and Columbia, MD (Click the banner!) LIKE us on Facebook! Last edited by m4a1mustang; 06-06-2009 at 04:19 PM.

06-05-2009, 09:31 AM	#49 (permalink)
semtex A True Z Fanatic Join Date: Jan 2009 Location: Behind enemy lines Age: 54 Posts: 5,995 Drives: People to drink Rep Power: 32	Phimosis, I think you need to take into account that you're running HFCs. Point being, I don't think it'd have sounded as raspy if you had the Stillen cat-back hooked up to stock cats, and then removed the rear section. That being said, I don't think it sounded all that bad. Giving you some rep for doing this little experiment, btw. __________________ "There are no small accidents on this circuit." -- Ayrton Senna 316.8whp & 248 ft/lbs (Dyno Dynamics) \| 319whp & 256 ft/lbs (DynoJet) (04/23/10) Stillen G3 CAI, CBE, Pulley / F.I. LTH / GTSpec Ladder Brace / Setrab Oil Cooler / UpRev-tuned by Forged Perf.

07-14-2009, 02:11 PM	#60 (permalink)
cotizi Enthusiast Member Join Date: Mar 2009 Location: Austin, Tx Posts: 391 Drives: 2012 VW GTI 6MT Rep Power: 217	im using custom turndowns right where the muffler bolted on until i can afford real exhaust. right after cats would probably be crazy loud? __________________ Past - 2009 Silver 6MT Sport 370Z Current - 2012 VW GTI 6-Speed

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
What would you like to add delete or change about the 370Z	inspector10k	Nissan 370Z General Discussions	42	06-26-2009 12:03 AM
HKS LEGAMAX Premium muffler for 370Z will be released later this year	AK370Z	Intake/Exhaust	32	05-02-2009 04:34 AM
Which Muffler would you get for your 370Z Z34?	AK370Z	Nissan 370Z General Discussions	45	03-06-2009 03:47 PM
EXAS EVO Tune Muffler for Nissan 370Z 12.18.08	AK370Z	Intake/Exhaust	21	01-09-2009 07:52 PM
ZELE: Titanium Muffler development for the 370Z 12.15.08	AK370Z	Intake/Exhaust	17	12-15-2008 04:52 PM

06-24-2009, 04:33 AM	#57 (permalink)
dat370zguy Base Member Join Date: May 2009 Location: around Posts: 19 Drives: no more 350 >.< Rep Power: 16	I'm surprised no one has mentioned this but the 1st vid makes the 370z sound alot like a stock 350z. Slightly different but very similar, much more deep in tone.

06-26-2009, 10:49 AM	#58 (permalink)
corbin09 Track Member Join Date: Jun 2009 Location: Dallas tx Posts: 665 Drives: 370z Rep Power: 280	I just did this muffler delete except i welded a pipe where the muffler goes. Sounds pretty good but i want to get rid of some of the drone or else ill put the stocker back on. Would resonators tame it out any????

07-14-2009, 01:59 PM	#59 (permalink)
jmlenz Track Member Join Date: May 2009 Location: San Diego Posts: 645 Drives: a car Rep Power: 643	def impressed by the sound from the muffler delete...sounds better than alot of full blown CB exhausts I have heard on this forum lol. Probably not much power to be had here but the weight savings + sound + $$$ makes for a decent DIY mod. anyone thought of making turndowns bolted up right after the OEM cats? def pros and cons here