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Old 04-05-2004, 10:17 PM
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Hello everyone,

I am currently saving my extra change for a future GMMG catback system. In the meantime I would like to add cutouts to my stock exhaust. I have two questions concerning this issue:

1. What average HP gain, if any, could I expect?

2. What is the best brand of cutouts?

Thanks in advance
Old 04-06-2004, 12:02 AM
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You really only need one cutout in your Intermediate Pipe before it goes over the axle. There is a perfect place for one there. As far as power gains look for 10+ rwhp over a stock Trans Am or Z28 Muffler. If your looking for an electric cutout I would go with QTP's QTEC. I have one and it works great as long as when closing it you don't hold the toggle longer than 4 seconds and overtorque the gears which then causes it to leak. If not electric our sponsors on the right hand side have all types of cutouts.
Old 04-06-2004, 11:40 AM
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thanks for your reply
Old 04-06-2004, 08:48 PM
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the QTP QTEC is the way to go...

www.quicktimeperformance.com
Old 04-06-2004, 08:55 PM
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electric cut outs are BAD ***!!!!!! i love mine.

i even picked up 5 RWHP across the board with it opened....( thats good concidering thats like 0 backpressure ...LT + NO cats.)
Old 05-23-2004, 07:10 PM
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Originally Posted by lnuxhakr
Hello everyone,

I am currently saving my extra change for a future GMMG catback system. In the meantime I would like to add cutouts to my stock exhaust. I have two questions concerning this issue:

1. What average HP gain, if any, could I expect?

2. What is the best brand of cutouts?

Thanks in advance
I have your anwser --At Street Pro we have put a large number of F-body rides on the dyno--consistantly we see 14 to 18 HP gains with our cutout! Which is best? Check out our web site and then you tell me!
Old 05-23-2004, 07:17 PM
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I had mine home made and it worked out bad ***.
Old 05-23-2004, 08:14 PM
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i run a QTEC and i notice the difference in noise and GO




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