Nissan 370Z Forum  

Removing back box/muffler

Hi. I’ve acquired some new tailpipes manufactured by a reputable UK company which they’ve been supplying for the 370z for about 7 years. I’ve a 2017 MT. Customer reviews of

Go Back   Nissan 370Z Forum > Nissan 370Z Tech Area > Engine & Drivetrain > Intake/Exhaust


Like Tree13Likes
  • 5 Post By Spooler
  • 4 Post By Spartan 1771
  • 1 Post By MKZUK
  • 2 Post By Tractionless
  • 1 Post By Rusty

Reply
 
LinkBack Thread Tools Display Modes
Old 01-09-2022, 02:04 PM   #1 (permalink)
Base Member
 
Join Date: Nov 2021
Location: UK
Posts: 4
Drives: 17 370Z GT White M6
Rep Power: 4
MKZUK is on a distinguished road
Default Removing back box/muffler

Hi. I’ve acquired some new tailpipes manufactured by a reputable UK company which they’ve been supplying for the 370z for about 7 years. I’ve a 2017 MT. Customer reviews of the pipes are very good. However, reading generally around the subject I’ve seen suggestions that dispensing with the back box/muffler can throw the ECU out and long-term lead to exhaust valves burning out due to the engine running with a consistently lean mixture.

Does this sound at all likely? I’d have thought a modern fuel-injected engine would automatically adjust the mixture to ensure correct petrol/air mix. Any/all responses appreciated.

Cheers
MKZUK is offline   Reply With Quote
Old 01-09-2022, 02:17 PM   #2 (permalink)
Base Member
 
Join Date: Jul 2021
Location: .
Posts: 52
Drives: .
Rep Power: 6714
spoolin03 has a reputation beyond reputespoolin03 has a reputation beyond reputespoolin03 has a reputation beyond reputespoolin03 has a reputation beyond reputespoolin03 has a reputation beyond reputespoolin03 has a reputation beyond reputespoolin03 has a reputation beyond reputespoolin03 has a reputation beyond reputespoolin03 has a reputation beyond reputespoolin03 has a reputation beyond reputespoolin03 has a reputation beyond repute
Default

I've never heard of that explanation before. Whether it's true or not, someone would have to do an actual test.

However, muffler delete is a 'common' mod on the internet.

What WILL happen, however, is that you'll end up with drone that will drive you crazy. Trying to mess with the sound in these cars is like opening a can of worms. Either do it for performance reasons or just get an cat-back system with helmholtz resonator design that was created to fight drone, or just leave it alone.
spoolin03 is offline   Reply With Quote
Old 01-09-2022, 02:21 PM   #3 (permalink)
A True Z Fanatic
 
Join Date: Jun 2014
Location: Ga
Posts: 13,834
Drives: 2013 Nismo 370z
Rep Power: 2684392
Spooler has a reputation beyond reputeSpooler has a reputation beyond reputeSpooler has a reputation beyond reputeSpooler has a reputation beyond reputeSpooler has a reputation beyond reputeSpooler has a reputation beyond reputeSpooler has a reputation beyond reputeSpooler has a reputation beyond reputeSpooler has a reputation beyond reputeSpooler has a reputation beyond reputeSpooler has a reputation beyond repute
Default

That is false.
Spooler is online now   Reply With Quote
Old 01-09-2022, 03:32 PM   #4 (permalink)
A True Z Fanatic
 
Spartan 1771's Avatar
 
Join Date: Nov 2009
Location: Western Maryland
Posts: 1,280
Drives: Wife crazy & 09 370Z
Rep Power: 105454
Spartan 1771 has a reputation beyond reputeSpartan 1771 has a reputation beyond reputeSpartan 1771 has a reputation beyond reputeSpartan 1771 has a reputation beyond reputeSpartan 1771 has a reputation beyond reputeSpartan 1771 has a reputation beyond reputeSpartan 1771 has a reputation beyond reputeSpartan 1771 has a reputation beyond reputeSpartan 1771 has a reputation beyond reputeSpartan 1771 has a reputation beyond reputeSpartan 1771 has a reputation beyond repute
Default

I've been on this forum since it's creation and I have never heard anything about a muffler delete causing an issue like this. Sounds like fake news to me.

Sent from my SM-G781U using Tapatalk
__________________
~Rob

-DD Air Guide, Stillen G3 CAIs, 63mm Throttle Bodies, Motordyne M370, Berk HFCs, FI TDX CBE (non-res, CF), Sprint booster v3, Ecutek Dyno Tuned, and the list goes on...
Spartan 1771 is offline   Reply With Quote
Old 01-10-2022, 02:14 PM   #5 (permalink)
Base Member
 
Join Date: Nov 2021
Location: UK
Posts: 4
Drives: 17 370Z GT White M6
Rep Power: 4
MKZUK is on a distinguished road
Default

Thanks all for the feedback guys, much appreciated

Max
Spartan 1771 likes this.
MKZUK is offline   Reply With Quote
Old 01-15-2022, 09:10 AM   #6 (permalink)
A True Z Fanatic
 
Tractionless's Avatar
 
Join Date: Jan 2016
Location: Atlantic SE
Posts: 1,326
Drives: '10 K23 ST 7AT
Rep Power: 30525
Tractionless has a reputation beyond reputeTractionless has a reputation beyond reputeTractionless has a reputation beyond reputeTractionless has a reputation beyond reputeTractionless has a reputation beyond reputeTractionless has a reputation beyond reputeTractionless has a reputation beyond reputeTractionless has a reputation beyond reputeTractionless has a reputation beyond reputeTractionless has a reputation beyond reputeTractionless has a reputation beyond repute
Default

That's some crazy UK hearsay Mate!
Spartan 1771 and Optimiser like this.
__________________
Toys Not Tots
Tractionless is offline   Reply With Quote
Old 01-15-2022, 09:58 AM   #7 (permalink)
Ronin Samurai - Assassin
 
Rusty's Avatar
 
Join Date: Dec 2011
Location: Fayettenam,Pennsyltucky
Age: 68
Posts: 35,218
Drives: 2011 Nismo GM 6M
Rep Power: 2684438
Rusty has a reputation beyond reputeRusty has a reputation beyond reputeRusty has a reputation beyond reputeRusty has a reputation beyond reputeRusty has a reputation beyond reputeRusty has a reputation beyond reputeRusty has a reputation beyond reputeRusty has a reputation beyond reputeRusty has a reputation beyond reputeRusty has a reputation beyond reputeRusty has a reputation beyond repute
Talking

Used to be that way with carbs some what. Sometimes you had to rejet them. It was a PITA rejetting dual 850 Holleys.
Spartan 1771 likes this.
__________________

浪人 - 殺し屋
"The Difficult Anytime, The Impossible By Appointment Only"
http://www.the370z.com/members-370z-...o-journal.html
Rusty is offline   Reply With Quote
Old 03-03-2022, 06:36 PM   #8 (permalink)
Track Member
 
Cyber370's Avatar
 
Join Date: Jul 2016
Location: Montreal, QC Canada
Posts: 679
Drives: 2016 370Z Nismo 6MT
Rep Power: 19372
Cyber370 has a reputation beyond reputeCyber370 has a reputation beyond reputeCyber370 has a reputation beyond reputeCyber370 has a reputation beyond reputeCyber370 has a reputation beyond reputeCyber370 has a reputation beyond reputeCyber370 has a reputation beyond reputeCyber370 has a reputation beyond reputeCyber370 has a reputation beyond reputeCyber370 has a reputation beyond reputeCyber370 has a reputation beyond repute
Default

Quote:
Originally Posted by spoolin03 View Post

What WILL happen, however, is that you'll end up with drone that will drive you crazy. Trying to mess with the sound in these cars is like opening a can of worms. Either do it for performance reasons or just get an cat-back system with helmholtz resonator design that was created to fight drone, or just leave it alone.
Completely agree! I have been through numerous mods including muffler deletes to full catback systems. Drone was horrible, especially at wide open throttle. This is especially true with coupes due to the rear hatch area acting like a speaker chamber.
__________________
"That’s when you know you’ve found somebody special. When you can just shut the f*ck up for a minute and comfortably enjoy the silence.”-Mia (Pulp Fiction)
Cyber370 is offline   Reply With Quote
Reply

Bookmarks


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
[FOR SALE] Akrapovic Axle Back Muffler zakers Parts for sale (Private Classifieds) 8 12-11-2019 11:36 PM
[WTB] Tomei y pipe and muffler back !!! tdreed Parts for sale (Private Classifieds) 0 06-25-2017 12:03 PM
[FOR SALE] OEM Axil back muffler edzilla123 Parts for sale (Private Classifieds) 1 03-27-2015 10:11 AM
Help removing muffler bolts luigi90210 Intake/Exhaust 20 06-02-2014 10:46 PM
Do muffler muffler delete axle back exhausts harm the engine? 370zsport Nissan 370Z General Discussions 18 10-24-2013 04:38 PM


All times are GMT -5. The time now is 02:48 AM.


Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Search Engine Optimization by vBSEO 3.6.0 PL2