Exhaust Post your questions and suggestions about stock or aftermarket exhaust setups. Third Gen exhaust sound files and videos!

spring loaded muffler

Thread Tools
 
Search this Thread
 
Old 07-15-2007, 02:01 AM
  #1  
Member
Thread Starter
 
blue82_z28's Avatar
 
Join Date: Mar 2007
Location: Casper, Wyoming
Posts: 205
Likes: 0
Received 0 Likes on 0 Posts
Car: 1982 Camaro Z28 w/ RS groundfx
Engine: 350
Transmission: Tranzparts 700r4
Axle/Gears: 3.23's
spring loaded muffler

my friend recently mentioned to me something about a muffler that had some sort of a spring inside, that when you were at idle it was closed off so it was quiet but when you hammered on the throttle the spring opened up some sort of flap and you unleash that oh so wonderful loud noise. question was if they still make these, and if so where i could find some. thanks...
Old 07-15-2007, 02:11 AM
  #2  
Member
Thread Starter
 
blue82_z28's Avatar
 
Join Date: Mar 2007
Location: Casper, Wyoming
Posts: 205
Likes: 0
Received 0 Likes on 0 Posts
Car: 1982 Camaro Z28 w/ RS groundfx
Engine: 350
Transmission: Tranzparts 700r4
Axle/Gears: 3.23's
Re: spring loaded muffler

just found this link, i think it's the right design i'm thinking of... http://www.freepatentsonline.com/20040178015.html
Old 07-15-2007, 09:46 AM
  #3  
Banned
iTrader: (12)
 
Stephen's Avatar
 
Join Date: Jul 1999
Location: Bertram (outside Austin), TX
Posts: 12,212
Likes: 0
Received 10 Likes on 10 Posts
Car: 87 GTA
Engine: L98
Transmission: 700R4
Axle/Gears: Dana M78 3.27 posi
Re: spring loaded muffler

Interesting...

Just get a cable cutout. Then you can open and close it, when you decide to.
Old 07-15-2007, 09:59 AM
  #4  
Jay
Supreme Member

iTrader: (2)
 
Jay's Avatar
 
Join Date: Nov 2000
Location: Newington, CT
Posts: 1,021
Likes: 0
Received 0 Likes on 0 Posts
Car: 88 IROC
Engine: 5.7 RamJet
Transmission: T56
Axle/Gears: Dana44 4.10
Re: spring loaded muffler

rumour has it that my daily driver maxima has something like that where over 3500 rpms it opens a flap for better flow, at least according to some people on that board. I never bothered to verify how true it is..
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
87v6Bird
Suspension and Chassis
15
07-01-2018 04:12 PM
cstrobel65
Exhaust
7
09-16-2015 11:54 AM
sandman92084
Tech / General Engine
13
09-12-2015 10:27 PM
Stroopwafel
Tech / General Engine
7
09-11-2015 06:38 AM



Quick Reply: spring loaded muffler



All times are GMT -5. The time now is 06:09 AM.