V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

Good sounding exhaust for an '86 2.8 (if there is one?)!

Thread Tools
 
Search this Thread
 
Old Aug 13, 2017 | 07:38 PM
  #1  
1986FirebirdV6's Avatar
Thread Starter
Junior Member
 
Joined: Jan 2016
Posts: 21
Likes: 0
From: Monroe Center, IL
Car: 1986 Firebird Base
Engine: 2.8L V-6
Transmission: 700R4
Axle/Gears: 3.42
Good sounding exhaust for an '86 2.8 (if there is one?)!

I couldn't stand that V6 "tinny" noise out of the stock muffler, so everyone told me to get a Flowmaster, and it would sound a LOT better! I can't remember which muffler I got, but now it reminds me of a rice, and the "coffee can" mufflers you see on some!

I know that this will never sound like a V8, but can anyone tell me what to do to make it sound better?

Thanks
John
Reply
Old Aug 14, 2017 | 03:23 PM
  #2  
zs&tas's Avatar
Senior Member
 
Joined: Jan 2008
Posts: 917
Likes: 1
From: peterborough UK
Car: 88 T firebird
Engine: 2.8
Transmission: t5
Re: Good sounding exhaust for an '86 2.8 (if there is one?)!

True duals will be as good as it gets. Use youtube and look around for ideas. I dont think you can really ever get away from the rice sound, nature of the beast i guess.
Reply
Old Aug 14, 2017 | 08:06 PM
  #3  
LiveIt!'s Avatar
Member
 
Joined: Nov 2016
Posts: 348
Likes: 0
From: Florida
Car: 1988 Camaro Sport Coupe
Engine: The All-Powerful 2.8l!! :P
Re: Good sounding exhaust for an '86 2.8 (if there is one?)!

I have dual exhaust out of the muffler, think a flow master thing the PO put on but not sure. It definitely gives the car a certain nice growl
Reply
Old Aug 15, 2017 | 09:25 AM
  #4  
drdave88's Avatar
Supreme Member
iTrader: (3)
 
Joined: Feb 2003
Posts: 2,470
Likes: 6
From: Waterford, MI
Car: 1998 Camaro Z28
Engine: 6.0L
Transmission: 4L60E
Axle/Gears: 3.73
Re: Good sounding exhaust for an '86 2.8 (if there is one?)!

Mine had Pacesetter headers and y-pipe, a catco high flow converter and a dynomax catback. Sounded pretty good, didn't get that noise at all. True duals is pretty over kill for the V6, not to mention all custom exhaust, no kits available. You may actually lose power out of it due to lack of back pressure, unless you went with some pretty small diameter pipe. You also sacrifice ground clearance.

Last edited by drdave88; Aug 15, 2017 at 09:28 AM.
Reply
Old Aug 15, 2017 | 09:45 AM
  #5  
Tootie Pang's Avatar
Supreme Member
15 Year Member
iTrader: (2)
 
Joined: Aug 2009
Posts: 1,972
Likes: 127
From: Los Angeles
Car: 1989 IROC Convertible
Engine: 350 TPI L98
Transmission: WC T5
Axle/Gears: 3.42
Re: Good sounding exhaust for an '86 2.8 (if there is one?)!

They will have that right after peace in the Middle East.
Reply
Old Aug 15, 2017 | 10:38 AM
  #6  
midias's Avatar
Supreme Member
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Oct 2004
Posts: 4,528
Likes: 240
From: Henrietta NY
Car: 1984 Trans Am L69
Engine: Sniper EFI Powered 355
Transmission: WC T5 w/ Steel Support Plate
Axle/Gears: 3.42 10 Bolt Posi
Re: Good sounding exhaust for an '86 2.8 (if there is one?)!

Flowmaster is a terrible choice for any car but even worse on a 6cyl. Dynomax and borla tend to sound decent on the 2.8 and 3.1. IF you get too much rasp you may need a resonator.
Reply
Old Aug 16, 2017 | 04:04 AM
  #7  
robertfrank's Avatar
Supreme Member
20 Year Member
Liked
iTrader: (27)
 
Joined: Apr 2004
Posts: 3,001
Likes: 62
From: Salt Lake City, Utah
Car: 1988 camaro "SS"/ 1991 305/T5
Engine: 383 LT1 in progress/LT1TBI 355 soon
Transmission: Probuilt 700R4 3600 stall/ T5
Axle/Gears: Moser axles, 3.42 Eaton Posi
Re: Good sounding exhaust for an '86 2.8 (if there is one?)!

On my v6 all I have is a 36 inch cherrybomb through a 2.5 single mandrel bend exhaust with no cat. I dig the way it sounds
Reply
Old Aug 17, 2017 | 05:53 PM
  #8  
Base91's Avatar
Supreme Member
iTrader: (1)
 
Joined: Sep 2010
Posts: 1,928
Likes: 1
From: Georgetown TX
Car: Base 91 'bird
Engine: 3.1 v6
Transmission: 4L60
Axle/Gears: 9-bolt 3.27 & PBR
Re: Good sounding exhaust for an '86 2.8 (if there is one?)!

I was parting out a v8 so just swapped the muffler and got twin pipes, better flow and a better sound. Never going to be an 8 though.
Reply
Old Aug 22, 2017 | 07:53 AM
  #9  
scooter's Avatar
Supreme Member
25 Year Member
Liked
Loved
Community Favorite
iTrader: (11)
 
Joined: Sep 1999
Posts: 4,353
Likes: 308
From: NJ
Car: 92 Firebird
Engine: 4.8 LR4
Transmission: T56
Axle/Gears: 3.45 9 Bolt
Re: Good sounding exhaust for an '86 2.8 (if there is one?)!

I put a Borla cat-back on my 3.1 because I had it in the basement from when I took my 88 apart. The factory exhaust finally blew out on the car and I wasn't about to put another stock exhaust in it when I was planning an engine swap, so on it went.
It sounded good, IMO. A lot of people thought for a V6 it sounded pretty good. No rasp and it wasn't trying to sound like something it wasn't
Reply




All times are GMT -5. The time now is 04:47 PM.