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Old Aug 17, 2009 | 11:43 PM
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hey guys well finally gonna get a catback tonight, I am looking at the LG big catback...

Does anyone know if it sounds like a c6 catback,i think c6 have 3 inch from factory right ???.

or should I stick with something smaller.. This is my daily driver..

also right now I am getting bout 7-9 psi of boost.. How much will it drop once i put in the catback..

Right now I am using stock one

Last edited by dsmlights; Aug 17, 2009 at 11:46 PM.
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Old Aug 17, 2009 | 11:58 PM
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Originally Posted by dsmlights
hey guys well finally gonna get a catback tonight, I am looking at the LG big catback...

Does anyone know if it sounds like a c6 catback,i think c6 have 3 inch from factory right ???.

or should I stick with something smaller.. This is my daily driver..

also right now I am getting bout 7-9 psi of boost.. How much will it drop once i put in the catback..

Right now I am using stock one
I did a Write-Up on them w/pics and Video Clips, here it is
http://forums.corvetteforum.com/c5-f...ics-video.html


- I am running these on my Vette right now and I really like them as well as my wife, she like them a lot too!

Thanks,Matt
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Old Aug 18, 2009 | 11:38 AM
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If you lose 1 pound of boost I'd be surprised. The Big 3 sounds good. I have it on my car with a 408 and no cats. It's got a great tone and not too loud but it drones like a mother trucker. I had stingers before on the 346 but they would have been un-bearable on my 408.

Click to watch video: http://www.xp-racing.com/billteaser.mpg

Last edited by bradenW; Aug 18, 2009 at 11:42 AM.
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Old Aug 18, 2009 | 02:00 PM
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how bad is the drone that is what I am scared of when i am drivingin the highway at 80 mph lol
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Old Aug 18, 2009 | 02:38 PM
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on stock cubes with cats it's prob close to none. On my 408 with a nasty little cam, 1 7/8 longtubes with no cats...it drones like hell. Probably not nearly as bad as my old stingers would have though.
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Old Aug 18, 2009 | 04:20 PM
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Originally Posted by dsmlights
how bad is the drone that is what I am scared of when i am drivingin the highway at 80 mph lol
DSM check it out!

At 80 MPH on my Vette it is almost silent at 60-80 MPH-up it is still nearly silent!

The "ONLY" Resonence/Drone I get on my "A4" Automatic w/3.42 gears and YANK 3200 Stall, is right around 1500-1600 RPM's. WHY?

I had my converter locking up way to early so I changed it to lock-up later, mostly during cruising speeds (Locks up @ 57 MPH now as opposed to 40 MPH in 4th gear).

My wife really likes this setting on the tranny and really enjoys driving the Vette more so now than before (So I benefited twice)

Now if I had a MN6 there would be "NO" Issue at all, because I could leave it in the gear I want, whereas I can't with the A4 it has to shift and then Lock-Up, but again I was able to adjust the lock-up settings to eliminate the dropping of RPM's and LUGGING which is what made it Resonate

I hope this helps

Thanks,Matt
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Old Aug 19, 2009 | 01:10 AM
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thanks for the clarification. I will def order this some time this wee soI can have a full setup thanks all for the help
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