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How much HP from Hooker catback

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Old Apr 25, 2002 | 07:57 PM
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How much HP from Hooker catback
Hey

Im going to get a hooker exhaust system. I am not going to put headers on for 2 months or so. Im just wondering what kinda HP I will get from the Hooker catback.

What kinda results will I get with the new system..
Thanks
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Old Apr 25, 2002 | 07:59 PM
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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
Gotta dyno before and after, thats the only way to know. I don't think any1 has.
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Old Apr 25, 2002 | 07:59 PM
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Mark A Shields
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Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
I picked up 2mph in the 1/4 with mine, though I can't tell you how much time, cause I added gears at the same time.
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Old Apr 25, 2002 | 11:14 PM
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Does anyone have a estimate on how much HP I would pick up with the Hooker catback exhaust system.
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Old Apr 25, 2002 | 11:16 PM
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Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
Most cat-backs should be good for 10-15 at most.
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Old Apr 26, 2002 | 08:06 AM
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i really think the headers are the big power maker exhaust wise made my car sound much deeper to
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Old Apr 26, 2002 | 08:17 AM
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Mark A Shields
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Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
Originally posted by TBI305Camaro
i really think the headers are the big power maker exhaust wise made my car sound much deeper to
Agreed
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Old Apr 27, 2002 | 03:38 PM
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Hey Mark,
How is the interior resonance with the Hooker exhaust? I like the way it sounds at WOT, but wonder what it sounds like inside the car while just cruising.
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Old Apr 27, 2002 | 05:55 PM
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Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
You can't hear it at all when you're cruising, kind of bugs me, cause I like to be heard.
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Old Apr 27, 2002 | 06:07 PM
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From: CC, TX
Car: 1999 Yamaha Banshee
Engine: 379cc twin cyl 2-stroke stroker
Transmission: 6 spd manual
Axle/Gears: 14/41 tooth
Originally posted by Mark A Shields
You can't hear it at all when you're cruising, kind of bugs me, cause I like to be heard.
amen
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Old Apr 27, 2002 | 09:40 PM
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Mark
U cant hear the hooker exhaust at work when ur crusin. Thats weak, u can hear it rumble like hell outside the car though right.
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Old Apr 27, 2002 | 09:52 PM
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Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
Around 60mph it's quiet cruising, but once you give it just a little bit of throttle you can hear it.
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Old Apr 28, 2002 | 03:04 PM
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When u are crusin is it louder then the stock setup. Does it rumble more then the stock setup when crusin.
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Old Apr 28, 2002 | 03:25 PM
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Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
Not sure, never had the car with the stock setup. If you're cruising at 60 inside you don't hear anything, outside probably not much either. If I want to make more noise I'll just downshift to 3rd.
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