LT1-LT4 Modifications 1993-97 Gen II Small Block V8

After cat cutout vs gmmg?

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Old 03-04-2012, 05:39 PM
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Default After cat cutout vs gmmg?

Wondering if after my header install will my cutout install after cats under passenger seat be much louder over my gmmg? worth installing cutout or no?
Old 03-04-2012, 05:45 PM
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cats still in working order? or are they gutted
Old 03-04-2012, 05:48 PM
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there brand new, gonna be spliced into ory y pipe. highflows.
Old 03-04-2012, 07:22 PM
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If I remember correctly the GMMG is not that loud at idle, it's just loud at higher RPMs. The cutout will make it louder at idle and lower RPMs. If that's what you're looking for then the cutout should work out good for you.
Old 03-04-2012, 08:36 PM
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Ya looking for a loud tougher idle. Thanks. will the cutout sound good? Will it give me a tougher idle ?
Old 03-04-2012, 09:17 PM
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cutout will definitely make it alot louder at idle and throughout the entire rpm range. I just put dual cutouts on my TA but haven't been able to make a video yet, but hopefully i can get one soon.
Old 03-04-2012, 10:15 PM
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Originally Posted by 9D4Z28
Wondering if after my header install will my cutout install after cats under passenger seat be much louder over my gmmg? worth installing cutout or no?
You have gmmg's? How does it sound for the lt1 =)? Is it worth the cash?
Old 03-04-2012, 11:34 PM
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Yes man its so worth it. YouTube does it no justice lol. Youll have no regrets! It sounds beastly, I get compliments all the time. Makes my car sound alot faster than it is.
Old 03-06-2012, 04:30 PM
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For the love of god please please do not put a cut out on the car. I have long tubes, catless ypipe, cut out and gmmg. I regret every day cutting up that exhuast to put in a cut out. It didnt pick me up hardly any hp at all. I never open it up any more sounds a lot better with the cap closed
Old 03-08-2012, 12:03 AM
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Originally Posted by 9D4Z28
Yes man its so worth it. YouTube does it no justice lol. Youll have no regrets! It sounds beastly, I get compliments all the time. Makes my car sound alot faster than it is.
=) tax money begone. gmmg Im coming!
Old 03-08-2012, 09:23 PM
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I am running long tubes with 3in true dual with dual electric cutouts, no cats, to before axle dump. Its loud.



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