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  1. 08-31-2006, 09:17 AM #1
    BlackLT1Z28
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    Black
    94 Camaro Z28

    Quieter with LT's

    So I installed Pacesetter longtubes on my car last week, but didn't bolt up the y-pipe for a few days. So I was running open headers, and it was damn loud. So, I just put my y-pipe on yesterday and now it sounds quieter than when I just had my cat-back. I had some sort of flowmaster cat-back that had a good sound to it through the entire RPM range. But with the headers and Y, the exhaust doesn't have a good rumble at idle and it doesn't scream when I get on it in the upper RPM's. There are no leaks, so I can't figure what the deal is. I can barely hear the car idle now. It just doesn't have the sound that I was looking for. I don't want to buy another cat-back or new muffler. Has anyone else had this problem...thinking that headers made their car quieter? I'm pissed right now...
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  2. 08-31-2006, 09:49 AM #2
    onyx_rock
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    Maybe your still deaf from running open headers
    02 TA A4
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  3. 08-31-2006, 10:31 AM #3
    SSwt00SS
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    '18 CTS-V
    '13 ZL1

    easy answer. since you have installed LT's and Y-pipe you have lowered the amount of restriction in your exhaust system as a result of larger more free flowing tubing and bends. since you are expelling spent gasses more efficiently now, it will quiet your car down a little bit. all you're doing is sacrificing a 'little' sound for more HP/TQ...
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  4. 08-31-2006, 06:13 PM #4
    INMY01TA
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    2001 Trans Am (sold)

    Flowmaster catback sounds horrible with ory and headers on the LS1. This is old news.
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  5. 09-01-2006, 09:41 AM #5
    BlackLT1Z28
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    Actually mine is an LT1 and I thought longtubes would increase the exhaust note a little. And not my fault, the flowmasters came with the car, but had a good sound before, so I thought the longtubes would increase the rumble. I don't know, just a little disappointed in the sound. But I was thinking that I might be desensitized to the open headers.
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  6. 09-01-2006, 10:38 AM #6
    NHRAMAN
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    Navy Blue Metallic
    '99 T/A WS6 M6

    Exclamation

    Quote Originally Posted by INMY01TA View Post
    Flowmaster catback sounds horrible with ory and headers on the LS1. This is old news.
    LOTS of people love mine...+ qtec........everyone likes different sounds...I wouldn't bother with hooker or magnaflow---see.
    99 WS6 M6 NBM !Cags,!Cats,Vinci/Crane,Hurst,Detroit TruTrac,3:73,31 Splne,Edel.Race LT's,ORY,QTEC,Flow,ARP,Percy,MSD,SLP,AC/DELCO,Bosch,GMPP,Cntrfrce DF,Htchkiss,Susp.Tech,Lakewood,285's,Bilstein,Pro-kit,SLP,RK Sprt,A/Meter,Red Optima,Magnaflow S/S Tips,Hd Pins,Tint,Fire.Ex,[*4 Hot Rod Power Tours*]
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  7. 09-01-2006, 07:37 PM #7
    BlackLT1Z28
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    I wasn't planning on spending any more money, but I might go for the loudmouth system again (I had it on my last Z) just to get the exhaust sound I want. Haven't decided yet.
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