which is better
Joined: Jul 2000
Posts: 7,386
Likes: 1
From: In a mint Third Gen!
Car: Red 87 IROC-Z28 T-Top
Engine: 5.7 Tuned Port Injection
Transmission: 700R4 Auto
Axle/Gears: BW 9-Bolt 3.27
Anything but Hooker's exhaust. 
(I like their headers though) Magnaflow.
(I like their headers though) Magnaflow. 
Joined: Jul 2000
Posts: 7,386
Likes: 1
From: In a mint Third Gen!
Car: Red 87 IROC-Z28 T-Top
Engine: 5.7 Tuned Port Injection
Transmission: 700R4 Auto
Axle/Gears: BW 9-Bolt 3.27
I see the poster changed his options now, given those choices I'd go with Borla if they still make the 3" inlet/2 1/2" outlets OTL. A friend has it and it's nicer than any Borla I've ever heard, kinda like a Flowmaster but a little smoother maybe.