350 or 454 manifolds
350 or 454 manifolds
ok i dont want headers......too expensive right now(keywords:right now) what will either of th two get me in performance gains.....i know im not going to get the gains of the slp's or hooker's or whatevers.....can they even bolt up? will they keep low end torque? how loud will my exhaust be?
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1991 RS LO3
mods: 14" chrome air cleaner, straight-piped after cat exhaust with one chrome dual tip on the left side.
future mods: headers, removing smog equipment, and as many cheap mods as i can find
aol s/n: budman8503
GONE MUSTANG HUNTING.......
BACK IN 10 SECONDS
------------------
1991 RS LO3
mods: 14" chrome air cleaner, straight-piped after cat exhaust with one chrome dual tip on the left side.
future mods: headers, removing smog equipment, and as many cheap mods as i can find
aol s/n: budman8503
GONE MUSTANG HUNTING.......
BACK IN 10 SECONDS
Joined: Jul 1999
Posts: 10,950
Likes: 26
From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
Keep your stock exhaust manifolds until you can afford headers. Its not even worth the hassle of changing exhaust manifolds to put another set of manifolds back on.
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West Coast GM Shootout 2001!
1991 Camaro Z28
5.7L 5-Speed (originally 305)
13.25 @ 107.18 MPH
Southern California
Member: SoCal 3rd Gen F-Bodies
Webmaster: SoCal F-Bodies
-=ICON Motorsports=-
------------------
West Coast GM Shootout 2001!
1991 Camaro Z28
5.7L 5-Speed (originally 305)
13.25 @ 107.18 MPH
Southern California
Member: SoCal 3rd Gen F-Bodies
Webmaster: SoCal F-Bodies
-=ICON Motorsports=-
the question is not the hassle, i enjoy working on the car(no matter how much of a hassle it is) i want to know if the 350 manifolds would flow more then stock.....
------------------
1991 RS LO3
mods: 14" chrome air cleaner, straight-piped after cat exhaust with one chrome dual tip on the left side.
future mods: headers, removing smog equipment, and as many cheap mods as i can find
aol s/n: budman8503
GONE MUSTANG HUNTING.......
BACK IN 10 SECONDS
------------------
1991 RS LO3
mods: 14" chrome air cleaner, straight-piped after cat exhaust with one chrome dual tip on the left side.
future mods: headers, removing smog equipment, and as many cheap mods as i can find
aol s/n: budman8503
GONE MUSTANG HUNTING.......
BACK IN 10 SECONDS
Joined: Jul 1999
Posts: 10,950
Likes: 26
From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
Well, you'd have to modify the y-pipe too, and you'd probably gain more there than you would from the manifolds.
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