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Old 04-28-2008, 12:15 PM
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Default Catback switch

Im takin off my Loudmouth 1..Its just to loud for me with LT's and a o/r y..Im changing to a stock piped catback with a flowmaster 80 series welded in. is this gonna queit it up a bit? also should i expect any power loss?
Old 04-28-2008, 01:09 PM
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You'll have some power loss because it isn't as free flowing as the loudmouth, but you could always just put a cutout in there for when you want it loud.
Old 04-28-2008, 01:11 PM
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Yeah it will have a electric cutout i forgot to add
Old 04-28-2008, 01:12 PM
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Thats what i have ...
Old 04-28-2008, 02:09 PM
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sounds like a good setup as long as you have the cutout too
Old 04-28-2008, 02:17 PM
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think it will sound good though?
Old 04-28-2008, 02:29 PM
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from what a read (in a sticky) flowmaster is the worst catback (*restrictive*) for our LS motors...


section A of the very first thread..

https://ls1tech.com/forums/generation-iii-external-engine/520845-mod-guide-induction-exhaust-please-read-before-posting.html
Old 04-28-2008, 02:31 PM
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Im not to worried about performance with it. Thats what the cutout will be for i just want it to sound good and not be to loud when the cutout is closed.
Old 04-28-2008, 03:08 PM
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Is the loudmouth really THAT loud?? I'm thinking of ditching my magnaflow kit for something louder.
Old 04-28-2008, 03:10 PM
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80 series flowmasters are a bad choice. The reason many f-body owners think flowmasters perform poorly is because the 80 series are the mufflers that come on the cat-backs for our cars. The 40 series mufflers sound good and flow pretty well. It would be a better choice and should be quieter than the LM
Old 04-28-2008, 03:30 PM
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Go Magnaflow. I had headers, ory, LM, and cam (232/238) and it was obserdly loud and the magnaflow catback quieted it down a ton plus sounded awesome. JMO.
Old 04-28-2008, 03:33 PM
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Originally Posted by z28_YOU_HO
Im takin off my Loudmouth 1..Its just to loud for me with LT's and a o/r y..Im changing to a stock piped catback with a flowmaster 80 series welded in. is this gonna queit it up a bit? also should i expect any power loss?
How much for the Loudmouth your taking off?
Old 04-28-2008, 03:46 PM
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wanting to get 250 for the loudmouth
Old 04-28-2008, 06:15 PM
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Originally Posted by Blackhawk777
Is the loudmouth really THAT loud?? I'm thinking of ditching my magnaflow kit for something louder.
I think its pretty damn loud. I want something that not gonna draw so much attention to myself. I mean the car sticks out like a sore thumb anyways cause of the color. But i just want something thats gonna quieter..and like i said before the cutout will always just be a flip of a switch away
Old 04-28-2008, 07:58 PM
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+1 on the magnaflow.
Old 04-28-2008, 08:02 PM
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Just get a Borla XR1 (P/N# 40085) bullet muffler in place of the Loudmouth resonator (Borla-Mouth).

Peace,
Craig.
Old 04-29-2008, 12:05 AM
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im just gonna change it up tomorrow already got an apt. Ill sell the catback and make money over what this has costed me
Old 04-30-2008, 11:17 PM
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I have a flowmaster that came with my car, and for what it robs in power it makes up in sound. Sounds great imo especially at WOT and idle
Old 05-01-2008, 12:11 AM
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i love the way my magnaflow sounded when the motor was stock. not too loud for me and also sounded good at high rpm's
Old 05-01-2008, 05:54 AM
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Originally Posted by CRAGER
Just get a Borla XR1 (P/N# 40085) bullet muffler in place of the Loudmouth resonator (Borla-Mouth).

Peace,
Craig.
I plan to do this when I get LTs.



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