firebird true duals?
03-08-2012 | 11:33 AM
#1
Thread Starter
Junior Member
Joined: Mar 2012
Posts: 11
Likes: 0
From: Lake Butler, FL
Car: 88 Firebird
Engine: 305 T.B.I
Transmission: 700r4
firebird true duals?
is it possivle to run true duals on a firebird? if so can u let me know how to do it if its not can u tell me whats the best exhaust to run...its and 88 with a 305
03-08-2012 | 11:35 AM
#2
Joined: Jul 1999
Posts: 10,947
Likes: 21
From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
Re: firebird true duals?
Please read this sticky at the top of this forum:
https://www.thirdgen.org/forums/exha...l-exhaust.html
https://www.thirdgen.org/forums/exha...l-exhaust.html
03-08-2012 | 12:08 PM
#3
Member
Joined: Jul 2011
Posts: 344
Likes: 0
From: Delaware
Car: 92 Firebird, 91 Trans Am
Engine: L31 with HSR, LB9
Transmission: 700R4, 700R4
Axle/Gears: '99 10 bolt 3.90, '01 10 bolt 3.42
Re: firebird true duals?
It's possible but not practical or really needed. Usually with 2.5" inch pipe you have okay ground clearance. You could always have an exhaust made with 3.5-4" piping and you would probably be fine and maintain the ground clearance you have now.
03-08-2012 | 12:34 PM
#4
Supreme Member
iTrader: (5)
Joined: Mar 2011
Posts: 2,893
Likes: 4
From: Central Texas
Car: GTA
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: Aussie 9-bolt/3.27 posi
Re: firebird true duals?
Possible yes, but not practical nor legal on an Registered/Inspected street car. A 2.5" will be plenty on your TBI 305.
03-08-2012 | 09:48 PM
#6
Supreme Member
iTrader: (5)
Joined: Mar 2011
Posts: 2,893
Likes: 4
From: Central Texas
Car: GTA
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: Aussie 9-bolt/3.27 posi
Re: firebird true duals?
Mufflers aer a personal choice of do you like loud all the time? Quiet at cruise & loud only at WOT? Quiet 24/7? Throaty? Deep & mellow? Lots of choices & about all I can suggest is to listen to peoples video/sound clips & find out their cars specs & find one close to yours. A carbd 383 will not sound like your TBI 305. A LS1 sounds nothing like a SBC due to the different firing order to start with. LT1s are closer, but still no real close.
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