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Cat back Question?

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Old Jan 24, 2009 | 10:25 PM
  #1  
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Car: 91Z28
Engine: 5.7 ls1
Transmission: 4l60e
Axle/Gears: 3.42
Cat back Question?

Do the cat backs come with everything to install it i am thinking flowmaster 80 series or american thunder series
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Old Jan 25, 2009 | 11:50 AM
  #2  
//<86TA>\\'s Avatar
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Car: 86 Trans Am
Engine: 408 stroker sbc
Transmission: TKO600
Axle/Gears: Moser full floater m9, 3:70 trutrac
Re: Cat back Question?

so long as you order the right one for your car, then yes it will bolt right on.
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Old Jan 25, 2009 | 09:11 PM
  #3  
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Engine: 5.7 ls1
Transmission: 4l60e
Axle/Gears: 3.42
Re: Cat back Question?

the one from summit racing
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Old Jan 31, 2009 | 10:40 AM
  #4  
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Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Re: Cat back Question?

Originally Posted by JR350tpi
Do the cat backs come with everything to install it i am thinking flowmaster 80 series or american thunder series
Forget that muffler, it's a horsepower robbing piece of crap.
I gained 30 HP changing to a Magnaflow with a 355
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Old Jan 31, 2009 | 11:40 AM
  #5  
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From: Norwalk, CA
Car: 91Z28
Engine: 5.7 ls1
Transmission: 4l60e
Axle/Gears: 3.42
Re: Cat back Question?

Which one flowmaster so i should go for magnaflow
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Old Jan 31, 2009 | 05:10 PM
  #6  
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From: Buffalo, NY
Car: 1988 IROC-Z
Engine: 427 SBC
Transmission: ProBuilt 700R4
Axle/Gears: Moser 12 Bolt / 3.73 TrueTrac
Re: Cat back Question?

I know I sound like a broken record when I say this. But if you're not heavily modded, go with what you think sounds the best. Jumping from one system to another is not going to give you huge gains. You'd be much happier with a sound that you like.
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Old Jan 31, 2009 | 05:21 PM
  #7  
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Car: Red 87 IROC-Z28 T-Top
Engine: 5.7 Tuned Port Injection
Transmission: 700R4 Auto
Axle/Gears: BW 9-Bolt 3.27
Re: Cat back Question?

On a stock to mildly built car, just go with what you think sounds best. People are running 10's with Flowmasters everyday, they're not going to make your car seem like you're driving with a parachute on like alot of people think.
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Old Jan 31, 2009 | 07:43 PM
  #8  
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From: Norwalk, CA
Car: 91Z28
Engine: 5.7 ls1
Transmission: 4l60e
Axle/Gears: 3.42
Re: Cat back Question?

Which you think sounds better american thunder or magnaflow
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Old Feb 1, 2009 | 12:39 AM
  #9  
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Car: Red 87 IROC-Z28 T-Top
Engine: 5.7 Tuned Port Injection
Transmission: 700R4 Auto
Axle/Gears: BW 9-Bolt 3.27
Re: Cat back Question?

Flowmaster IMO.
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